[libc-commits] [libc] 3bc86bf - [libc] Remove unnecessary `FPBits` functions and properties (#79113)
via libc-commits
libc-commits at lists.llvm.org
Tue Jan 23 02:48:33 PST 2024
Author: Guillaume Chatelet
Date: 2024-01-23T11:48:28+01:00
New Revision: 3bc86bf3bf742506818cf4d94c9227e4afed6f19
URL: https://github.com/llvm/llvm-project/commit/3bc86bf3bf742506818cf4d94c9227e4afed6f19
DIFF: https://github.com/llvm/llvm-project/commit/3bc86bf3bf742506818cf4d94c9227e4afed6f19.diff
LOG: [libc] Remove unnecessary `FPBits` functions and properties (#79113)
This patch reduces the surface of `FPBits`.
Added:
Modified:
libc/fuzzing/stdlib/strtofloat_fuzz.cpp
libc/src/__support/FPUtil/DivisionAndRemainderOperations.h
libc/src/__support/FPUtil/FPBits.h
libc/src/__support/FPUtil/Hypot.h
libc/src/__support/FPUtil/ManipulationFunctions.h
libc/src/__support/FPUtil/NormalFloat.h
libc/src/__support/FPUtil/dyadic_float.h
libc/src/__support/FPUtil/except_value_utils.h
libc/src/__support/FPUtil/generic/FMA.h
libc/src/__support/FPUtil/generic/FMod.h
libc/src/__support/FPUtil/generic/sqrt.h
libc/src/__support/FPUtil/generic/sqrt_80_bit_long_double.h
libc/src/__support/FPUtil/x86_64/NextAfterLongDouble.h
libc/src/__support/common.h
libc/src/__support/str_to_float.h
libc/src/math/generic/acosf.cpp
libc/src/math/generic/acoshf.cpp
libc/src/math/generic/asinf.cpp
libc/src/math/generic/atanhf.cpp
libc/src/math/generic/cosf.cpp
libc/src/math/generic/coshf.cpp
libc/src/math/generic/exp.cpp
libc/src/math/generic/exp10.cpp
libc/src/math/generic/exp10f_impl.h
libc/src/math/generic/exp2.cpp
libc/src/math/generic/exp2f_impl.h
libc/src/math/generic/expf.cpp
libc/src/math/generic/expm1.cpp
libc/src/math/generic/expm1f.cpp
libc/src/math/generic/log.cpp
libc/src/math/generic/log10.cpp
libc/src/math/generic/log10f.cpp
libc/src/math/generic/log1p.cpp
libc/src/math/generic/log1pf.cpp
libc/src/math/generic/log2.cpp
libc/src/math/generic/log2f.cpp
libc/src/math/generic/logf.cpp
libc/src/math/generic/powf.cpp
libc/src/math/generic/sincosf.cpp
libc/src/math/generic/sinf.cpp
libc/src/math/generic/sinhf.cpp
libc/src/math/generic/tanf.cpp
libc/test/UnitTest/FPMatcher.h
libc/test/src/__support/FPUtil/fpbits_test.cpp
libc/test/src/math/FDimTest.h
libc/test/src/math/FmaTest.h
libc/test/src/math/HypotTest.h
libc/test/src/math/ILogbTest.h
libc/test/src/math/LdExpTest.h
libc/test/src/math/NextAfterTest.h
libc/test/src/math/RIntTest.h
libc/test/src/math/RemQuoTest.h
libc/test/src/math/RoundToIntegerTest.h
libc/test/src/math/differential_testing/BinaryOpSingleOutputDiff.h
libc/test/src/math/differential_testing/SingleInputSingleOutputDiff.h
libc/test/src/math/smoke/FDimTest.h
libc/test/src/math/smoke/FmaTest.h
libc/test/src/math/smoke/HypotTest.h
libc/test/src/math/smoke/ILogbTest.h
libc/test/src/math/smoke/LdExpTest.h
libc/test/src/math/smoke/NextAfterTest.h
libc/test/src/math/smoke/NextTowardTest.h
libc/test/src/math/smoke/RIntTest.h
libc/test/src/math/smoke/RemQuoTest.h
libc/test/src/math/smoke/RoundToIntegerTest.h
libc/test/src/stdio/sprintf_test.cpp
libc/test/src/stdio/sscanf_test.cpp
libc/utils/MPFRWrapper/MPFRUtils.cpp
Removed:
################################################################################
diff --git a/libc/fuzzing/stdlib/strtofloat_fuzz.cpp b/libc/fuzzing/stdlib/strtofloat_fuzz.cpp
index affef6fcf549e08..b773043bda67d8a 100644
--- a/libc/fuzzing/stdlib/strtofloat_fuzz.cpp
+++ b/libc/fuzzing/stdlib/strtofloat_fuzz.cpp
@@ -28,7 +28,7 @@ using LIBC_NAMESPACE::fputil::FPBits;
// exponent. Subnormals have a lower effective precision since they don't
// necessarily use all of the bits of the mantissa.
template <typename F> inline constexpr int effective_precision(int exponent) {
- const int full_precision = FPBits<F>::MANTISSA_PRECISION;
+ const int full_precision = FPBits<F>::FRACTION_LEN + 1;
// This is intended to be 0 when the exponent is the lowest normal and
// increase as the exponent's magnitude increases.
diff --git a/libc/src/__support/FPUtil/DivisionAndRemainderOperations.h b/libc/src/__support/FPUtil/DivisionAndRemainderOperations.h
index 1798310c3e31e30..ef9593a42b00557 100644
--- a/libc/src/__support/FPUtil/DivisionAndRemainderOperations.h
+++ b/libc/src/__support/FPUtil/DivisionAndRemainderOperations.h
@@ -31,7 +31,7 @@ LIBC_INLINE T remquo(T x, T y, int &q) {
if (ybits.is_nan())
return y;
if (xbits.is_inf() || ybits.is_zero())
- return FPBits<T>::build_quiet_nan(1);
+ return FPBits<T>::build_quiet_nan(fputil::Sign::POS, 1).get_val();
if (xbits.is_zero()) {
q = 0;
diff --git a/libc/src/__support/FPUtil/FPBits.h b/libc/src/__support/FPUtil/FPBits.h
index 2465158bb2cdfc7..0a79b505ecbe1c2 100644
--- a/libc/src/__support/FPUtil/FPBits.h
+++ b/libc/src/__support/FPUtil/FPBits.h
@@ -390,7 +390,7 @@ struct FPRepSem : public FPStorage<fp_type> {
return exp_bits() == encode(BiasedExp::BITS_ALL_ZEROES());
}
LIBC_INLINE constexpr bool is_normal() const {
- return is_finite() && !UP::is_subnormal();
+ return is_finite() && !is_subnormal();
}
// Returns the mantissa with the implicit bit set iff the current
// value is a valid normal number.
@@ -556,6 +556,14 @@ struct FPRep : public FPRepSem<fp_type, RetT> {
using UP::FRACTION_MASK;
using UP::SIGN_MASK;
+ // Comparison
+ LIBC_INLINE constexpr friend bool operator==(FPRep a, FPRep b) {
+ return a.uintval() == b.uintval();
+ }
+ LIBC_INLINE constexpr friend bool operator!=(FPRep a, FPRep b) {
+ return a.uintval() != b.uintval();
+ }
+
// Representation
LIBC_INLINE constexpr StorageType uintval() const { return bits & FP_MASK; }
LIBC_INLINE constexpr void set_uintval(StorageType value) {
@@ -698,16 +706,6 @@ struct FPBits final : public internal::FPRep<get_fp_type<T>(), FPBits<T>> {
using UP::bits;
// Constants.
- LIBC_INLINE_VAR static constexpr uint32_t MANTISSA_PRECISION =
- UP::FRACTION_LEN + 1;
- LIBC_INLINE_VAR static constexpr StorageType MIN_NORMAL =
- UP::min_normal(Sign::POS).uintval();
- LIBC_INLINE_VAR static constexpr StorageType MAX_NORMAL =
- UP::max_normal(Sign::POS).uintval();
- LIBC_INLINE_VAR static constexpr StorageType MIN_SUBNORMAL =
- UP::min_subnormal(Sign::POS).uintval();
- LIBC_INLINE_VAR static constexpr StorageType MAX_SUBNORMAL =
- UP::max_subnormal(Sign::POS).uintval();
LIBC_INLINE_VAR static constexpr int MAX_BIASED_EXPONENT =
(1 << UP::EXP_LEN) - 1;
@@ -731,37 +729,6 @@ struct FPBits final : public internal::FPRep<get_fp_type<T>(), FPBits<T>> {
LIBC_INLINE constexpr explicit operator T() const { return get_val(); }
- // Methods below this are used by tests.
- // TODO: inline and remove.
- LIBC_INLINE static constexpr T one(Sign sign = Sign::POS) {
- return T(UP::one(sign));
- }
- LIBC_INLINE static constexpr T zero(Sign sign = Sign::POS) {
- return T(UP::zero(sign));
- }
- LIBC_INLINE static constexpr T inf(Sign sign = Sign::POS) {
- return T(UP::inf(sign));
- }
- LIBC_INLINE static constexpr T min_normal() {
- return T(UP::min_normal(Sign::POS));
- }
- LIBC_INLINE static constexpr T max_normal() {
- return T(UP::max_normal(Sign::POS));
- }
- LIBC_INLINE static constexpr T min_denormal() {
- return T(UP::min_subnormal(Sign::POS));
- }
- LIBC_INLINE static constexpr T max_denormal() {
- return T(UP::max_subnormal(Sign::POS));
- }
- LIBC_INLINE static constexpr T build_nan(StorageType v) {
- return T(UP::build_nan(Sign::POS, v));
- }
- LIBC_INLINE static constexpr T build_quiet_nan(StorageType v,
- Sign sign = Sign::POS) {
- return T(UP::build_quiet_nan(sign, v));
- }
-
// TODO: Use an uint32_t for 'biased_exp'.
LIBC_INLINE static constexpr FPBits<T>
create_value(Sign sign, StorageType biased_exp, StorageType mantissa) {
diff --git a/libc/src/__support/FPUtil/Hypot.h b/libc/src/__support/FPUtil/Hypot.h
index c38a40dfb08984a..82237dec09e42e3 100644
--- a/libc/src/__support/FPUtil/Hypot.h
+++ b/libc/src/__support/FPUtil/Hypot.h
@@ -197,7 +197,7 @@ LIBC_INLINE T hypot(T x, T y) {
if (int round_mode = quick_get_round();
round_mode == FE_TONEAREST || round_mode == FE_UPWARD)
return T(FPBits_t::inf());
- return T(FPBits_t(FPBits_t::MAX_NORMAL));
+ return T(FPBits_t::max_normal());
}
} else {
// For denormal result, we simply move the leading bit of the result to
@@ -254,7 +254,7 @@ LIBC_INLINE T hypot(T x, T y) {
if (out_exp >= FPBits_t::MAX_BIASED_EXPONENT) {
if (round_mode == FE_TONEAREST || round_mode == FE_UPWARD)
return T(FPBits_t::inf());
- return T(FPBits_t(FPBits_t::MAX_NORMAL));
+ return T(FPBits_t::max_normal());
}
}
diff --git a/libc/src/__support/FPUtil/ManipulationFunctions.h b/libc/src/__support/FPUtil/ManipulationFunctions.h
index 81c8281f3c7bbee..d7114625a9b3141 100644
--- a/libc/src/__support/FPUtil/ManipulationFunctions.h
+++ b/libc/src/__support/FPUtil/ManipulationFunctions.h
@@ -108,7 +108,7 @@ LIBC_INLINE T logb(T x) {
return x;
} else if (bits.is_inf()) {
// Return positive infinity.
- return T(FPBits<T>::inf(Sign::POS));
+ return T(FPBits<T>::inf());
}
NormalFloat<T> normal(bits);
@@ -127,7 +127,7 @@ LIBC_INLINE T ldexp(T x, int exp) {
// that adding |exp| to it does not lead to integer rollover. But, if |exp|
// value is larger the exponent range for type T, then we can return infinity
// early. Because the result of the ldexp operation can be a subnormal number,
- // we need to accommodate the (mantissaWidht + 1) worth of shift in
+ // we need to accommodate the (mantissaWidth + 1) worth of shift in
// calculating the limit.
int exp_limit = FPBits<T>::MAX_BIASED_EXPONENT + FPBits<T>::FRACTION_LEN + 1;
if (exp > exp_limit)
@@ -164,26 +164,22 @@ LIBC_INLINE T nextafter(T from, U to) {
return static_cast<T>(to);
using StorageType = typename FPBits<T>::StorageType;
- StorageType int_val = from_bits.uintval();
- if (from != FPBits<T>::zero()) {
- if ((static_cast<U>(from) < to) == (from > FPBits<T>::zero())) {
- ++int_val;
+ if (from != T(0)) {
+ if ((static_cast<U>(from) < to) == (from > T(0))) {
+ from_bits = FPBits<T>(StorageType(from_bits.uintval() + 1));
} else {
- --int_val;
+ from_bits = FPBits<T>(StorageType(from_bits.uintval() - 1));
}
} else {
- int_val = FPBits<T>::MIN_SUBNORMAL;
- if (to_bits.is_neg())
- int_val |= FPBits<T>::SIGN_MASK;
+ from_bits = FPBits<T>::min_subnormal(to_bits.sign());
}
- StorageType exponent_bits = int_val & FPBits<T>::EXP_MASK;
- if (exponent_bits == StorageType(0))
+ if (from_bits.is_subnormal())
raise_except_if_required(FE_UNDERFLOW | FE_INEXACT);
- else if (exponent_bits == FPBits<T>::EXP_MASK)
+ else if (from_bits.is_inf())
raise_except_if_required(FE_OVERFLOW | FE_INEXACT);
- return cpp::bit_cast<T>(int_val);
+ return from_bits.get_val();
}
} // namespace fputil
diff --git a/libc/src/__support/FPUtil/NormalFloat.h b/libc/src/__support/FPUtil/NormalFloat.h
index cfa9e1417510559..fa4da33b5b17fae 100644
--- a/libc/src/__support/FPUtil/NormalFloat.h
+++ b/libc/src/__support/FPUtil/NormalFloat.h
@@ -215,7 +215,7 @@ template <> LIBC_INLINE NormalFloat<long double>::operator long double() const {
// Max exponent is of the form 0xFF...E. That is why -2 and not -1.
constexpr int MAX_EXPONENT_VALUE = (1 << LDBits::EXP_LEN) - 2;
if (biased_exponent > MAX_EXPONENT_VALUE) {
- return LDBits::inf(sign);
+ return LDBits::inf(sign).get_val();
}
FPBits<long double> result(0.0l);
diff --git a/libc/src/__support/FPUtil/dyadic_float.h b/libc/src/__support/FPUtil/dyadic_float.h
index 5449f5561d56968..888d7ffec241ea4 100644
--- a/libc/src/__support/FPUtil/dyadic_float.h
+++ b/libc/src/__support/FPUtil/dyadic_float.h
@@ -93,7 +93,7 @@ template <size_t Bits> struct DyadicFloat {
return 0.0;
// Assume that it is normalized, and output is also normal.
- constexpr uint32_t PRECISION = FPBits<T>::MANTISSA_PRECISION;
+ constexpr uint32_t PRECISION = FPBits<T>::FRACTION_LEN + 1;
using output_bits_t = typename FPBits<T>::StorageType;
int exp_hi = exponent + static_cast<int>((Bits - 1) + FPBits<T>::EXP_BIAS);
diff --git a/libc/src/__support/FPUtil/except_value_utils.h b/libc/src/__support/FPUtil/except_value_utils.h
index 89849540315f64d..1e0381194009d55 100644
--- a/libc/src/__support/FPUtil/except_value_utils.h
+++ b/libc/src/__support/FPUtil/except_value_utils.h
@@ -102,15 +102,13 @@ template <typename T, size_t N> struct ExceptValues {
// Helper functions to set results for exceptional cases.
template <typename T> LIBC_INLINE T round_result_slightly_down(T value_rn) {
volatile T tmp = value_rn;
- const T MIN_NORMAL = FPBits<T>::min_normal();
- tmp = tmp - MIN_NORMAL;
+ tmp -= FPBits<T>::min_normal().get_val();
return tmp;
}
template <typename T> LIBC_INLINE T round_result_slightly_up(T value_rn) {
volatile T tmp = value_rn;
- const T MIN_NORMAL = FPBits<T>::min_normal();
- tmp = tmp + MIN_NORMAL;
+ tmp += FPBits<T>::min_normal().get_val();
return tmp;
}
diff --git a/libc/src/__support/FPUtil/generic/FMA.h b/libc/src/__support/FPUtil/generic/FMA.h
index 6285cac1983d1e9..5c36463ea50213e 100644
--- a/libc/src/__support/FPUtil/generic/FMA.h
+++ b/libc/src/__support/FPUtil/generic/FMA.h
@@ -130,9 +130,9 @@ template <> LIBC_INLINE double fma<double>(double x, double y, double z) {
return x * y + z;
// Extract mantissa and append hidden leading bits.
- UInt128 x_mant = x_bits.get_mantissa() | FPBits::MIN_NORMAL;
- UInt128 y_mant = y_bits.get_mantissa() | FPBits::MIN_NORMAL;
- UInt128 z_mant = z_bits.get_mantissa() | FPBits::MIN_NORMAL;
+ UInt128 x_mant = x_bits.get_explicit_mantissa();
+ UInt128 y_mant = y_bits.get_explicit_mantissa();
+ UInt128 z_mant = z_bits.get_explicit_mantissa();
// If the exponent of the product x*y > the exponent of z, then no extra
// precision beside the entire product x*y is needed. On the other hand, when
@@ -255,9 +255,7 @@ template <> LIBC_INLINE double fma<double>(double x, double y, double z) {
if ((round_mode == FE_TOWARDZERO) ||
(round_mode == FE_UPWARD && prod_sign.is_neg()) ||
(round_mode == FE_DOWNWARD && prod_sign.is_pos())) {
- result = FPBits::MAX_NORMAL;
- return prod_sign.is_neg() ? -cpp::bit_cast<double>(result)
- : cpp::bit_cast<double>(result);
+ return FPBits::max_normal(prod_sign).get_val();
}
return static_cast<double>(FPBits::inf(prod_sign));
}
diff --git a/libc/src/__support/FPUtil/generic/FMod.h b/libc/src/__support/FPUtil/generic/FMod.h
index f4000b97751efc4..18355b801dbc7c9 100644
--- a/libc/src/__support/FPUtil/generic/FMod.h
+++ b/libc/src/__support/FPUtil/generic/FMod.h
@@ -124,7 +124,7 @@ template <typename T> struct FModExceptionalInputHandler {
LIBC_INLINE static bool pre_check(T x, T y, T &out) {
using FPB = fputil::FPBits<T>;
- const T quiet_nan = FPB::build_quiet_nan(0);
+ const T quiet_nan = FPB::build_quiet_nan().get_val();
FPB sx(x), sy(y);
if (LIBC_LIKELY(!sy.is_zero() && !sy.is_inf_or_nan() &&
!sx.is_inf_or_nan())) {
diff --git a/libc/src/__support/FPUtil/generic/sqrt.h b/libc/src/__support/FPUtil/generic/sqrt.h
index 21ae9d081d3f12e..0a0690ec1463b9d 100644
--- a/libc/src/__support/FPUtil/generic/sqrt.h
+++ b/libc/src/__support/FPUtil/generic/sqrt.h
@@ -71,15 +71,19 @@ LIBC_INLINE cpp::enable_if_t<cpp::is_floating_point_v<T>, T> sqrt(T x) {
return x86::sqrt(x);
} else {
// IEEE floating points formats.
- using StorageType = typename FPBits<T>::StorageType;
- constexpr StorageType ONE = StorageType(1) << FPBits<T>::FRACTION_LEN;
+ using Sign = fputil::Sign;
+ using FPBits_t = typename fputil::FPBits<T>;
+ using StorageType = typename FPBits_t::StorageType;
+ constexpr StorageType ONE = StorageType(1) << FPBits_t::FRACTION_LEN;
+ constexpr auto FLT_NAN =
+ FPBits_t::build_quiet_nan(Sign::POS, ONE >> 1).get_val();
- FPBits<T> bits(x);
+ FPBits_t bits(x);
if (bits.is_inf_or_nan()) {
if (bits.is_neg() && (bits.get_mantissa() == 0)) {
// sqrt(-Inf) = NaN
- return FPBits<T>::build_quiet_nan(ONE >> 1);
+ return FLT_NAN;
} else {
// sqrt(NaN) = NaN
// sqrt(+Inf) = +Inf
@@ -91,7 +95,7 @@ LIBC_INLINE cpp::enable_if_t<cpp::is_floating_point_v<T>, T> sqrt(T x) {
return x;
} else if (bits.is_neg()) {
// sqrt( negative numbers ) = NaN
- return FPBits<T>::build_quiet_nan(ONE >> 1);
+ return FLT_NAN;
} else {
int x_exp = bits.get_exponent();
StorageType x_mant = bits.get_mantissa();
@@ -145,10 +149,10 @@ LIBC_INLINE cpp::enable_if_t<cpp::is_floating_point_v<T>, T> sqrt(T x) {
}
// Remove hidden bit and append the exponent field.
- x_exp = ((x_exp >> 1) + FPBits<T>::EXP_BIAS);
+ x_exp = ((x_exp >> 1) + FPBits_t::EXP_BIAS);
y = (y - ONE) |
- (static_cast<StorageType>(x_exp) << FPBits<T>::FRACTION_LEN);
+ (static_cast<StorageType>(x_exp) << FPBits_t::FRACTION_LEN);
switch (quick_get_round()) {
case FE_TONEAREST:
diff --git a/libc/src/__support/FPUtil/generic/sqrt_80_bit_long_double.h b/libc/src/__support/FPUtil/generic/sqrt_80_bit_long_double.h
index 4f8d136938f56e7..b0a3776029ca78a 100644
--- a/libc/src/__support/FPUtil/generic/sqrt_80_bit_long_double.h
+++ b/libc/src/__support/FPUtil/generic/sqrt_80_bit_long_double.h
@@ -38,14 +38,16 @@ LIBC_INLINE long double sqrt(long double x);
LIBC_INLINE long double sqrt(long double x) {
using LDBits = FPBits<long double>;
using StorageType = typename LDBits::StorageType;
+ using Sign = fputil::Sign;
constexpr StorageType ONE = StorageType(1) << int(LDBits::FRACTION_LEN);
+ constexpr auto LDNAN = LDBits::build_quiet_nan(Sign::POS, ONE >> 1).get_val();
- FPBits<long double> bits(x);
+ LDBits bits(x);
if (bits.is_inf_or_nan()) {
if (bits.is_neg() && (bits.get_mantissa() == 0)) {
// sqrt(-Inf) = NaN
- return LDBits::build_quiet_nan(ONE >> 1);
+ return LDNAN;
} else {
// sqrt(NaN) = NaN
// sqrt(+Inf) = +Inf
@@ -57,7 +59,7 @@ LIBC_INLINE long double sqrt(long double x) {
return x;
} else if (bits.is_neg()) {
// sqrt( negative numbers ) = NaN
- return LDBits::build_quiet_nan(ONE >> 1);
+ return LDNAN;
} else {
int x_exp = bits.get_explicit_exponent();
StorageType x_mant = bits.get_mantissa();
diff --git a/libc/src/__support/FPUtil/x86_64/NextAfterLongDouble.h b/libc/src/__support/FPUtil/x86_64/NextAfterLongDouble.h
index 512f5de4e7931ac..d1c76ba954b9304 100644
--- a/libc/src/__support/FPUtil/x86_64/NextAfterLongDouble.h
+++ b/libc/src/__support/FPUtil/x86_64/NextAfterLongDouble.h
@@ -43,16 +43,18 @@ LIBC_INLINE long double nextafter(long double from, long double to) {
}
using StorageType = FPBits::StorageType;
- constexpr StorageType SIGN_VAL = (StorageType(1) << 79);
+
constexpr StorageType FRACTION_MASK = FPBits::FRACTION_MASK;
- StorageType int_val = from_bits.uintval();
- if (from < 0.0l) {
- if (from > to) {
- if (int_val == (SIGN_VAL + FPBits::MAX_SUBNORMAL)) {
+ // StorageType int_val = from_bits.uintval();
+ if (from == 0.0l) { // +0.0 / -0.0
+ from_bits = FPBits::min_subnormal(from > to ? Sign::NEG : Sign::POS);
+ } else if (from < 0.0l) {
+ if (to < from) { // toward -inf
+ if (from_bits == FPBits::max_subnormal(Sign::NEG)) {
// We deal with normal/subnormal boundary separately to avoid
// dealing with the implicit bit.
- int_val = SIGN_VAL + FPBits::MIN_NORMAL;
- } else if ((int_val & FRACTION_MASK) == FRACTION_MASK) {
+ from_bits = FPBits::min_normal(Sign::NEG);
+ } else if (from_bits.get_mantissa() == FRACTION_MASK) {
from_bits.set_mantissa(0);
// Incrementing exponent might overflow the value to infinity,
// which is what is expected. Since NaNs are handling separately,
@@ -62,45 +64,40 @@ LIBC_INLINE long double nextafter(long double from, long double to) {
raise_except_if_required(FE_OVERFLOW | FE_INEXACT);
return from_bits.get_val();
} else {
- ++int_val;
+ from_bits = FPBits(StorageType(from_bits.uintval() + 1));
}
- } else {
- if (int_val == (SIGN_VAL + FPBits::MIN_NORMAL)) {
+ } else { // toward +inf
+ if (from_bits == FPBits::min_normal(Sign::NEG)) {
// We deal with normal/subnormal boundary separately to avoid
// dealing with the implicit bit.
- int_val = SIGN_VAL + FPBits::MAX_SUBNORMAL;
- } else if ((int_val & FRACTION_MASK) == 0) {
+ from_bits = FPBits::max_subnormal(Sign::NEG);
+ } else if (from_bits.get_mantissa() == 0) {
from_bits.set_mantissa(FRACTION_MASK);
// from == 0 is handled separately so decrementing the exponent will not
// lead to underflow.
from_bits.set_biased_exponent(from_bits.get_biased_exponent() - 1);
return from_bits.get_val();
} else {
- --int_val;
+ from_bits = FPBits(StorageType(from_bits.uintval() - 1));
}
}
- } else if (from == 0.0l) {
- if (from > to)
- int_val = SIGN_VAL + 1;
- else
- int_val = 1;
} else {
- if (from > to) {
- if (int_val == FPBits::MIN_NORMAL) {
- int_val = FPBits::MAX_SUBNORMAL;
- } else if ((int_val & FRACTION_MASK) == 0) {
+ if (to < from) { // toward -inf
+ if (from_bits == FPBits::min_normal(Sign::POS)) {
+ from_bits = FPBits::max_subnormal(Sign::POS);
+ } else if (from_bits.get_mantissa() == 0) {
from_bits.set_mantissa(FRACTION_MASK);
// from == 0 is handled separately so decrementing the exponent will not
// lead to underflow.
from_bits.set_biased_exponent(from_bits.get_biased_exponent() - 1);
return from_bits.get_val();
} else {
- --int_val;
+ from_bits = FPBits(StorageType(from_bits.uintval() - 1));
}
- } else {
- if (int_val == FPBits::MAX_SUBNORMAL) {
- int_val = FPBits::MIN_NORMAL;
- } else if ((int_val & FRACTION_MASK) == FRACTION_MASK) {
+ } else { // toward +inf
+ if (from_bits == FPBits::max_subnormal(Sign::POS)) {
+ from_bits = FPBits::min_normal(Sign::POS);
+ } else if (from_bits.get_mantissa() == FRACTION_MASK) {
from_bits.set_mantissa(0);
// Incrementing exponent might overflow the value to infinity,
// which is what is expected. Since NaNs are handling separately,
@@ -110,16 +107,15 @@ LIBC_INLINE long double nextafter(long double from, long double to) {
raise_except_if_required(FE_OVERFLOW | FE_INEXACT);
return from_bits.get_val();
} else {
- ++int_val;
+ from_bits = FPBits(StorageType(from_bits.uintval() + 1));
}
}
}
- StorageType implicit_bit = int_val & (StorageType(1) << FPBits::FRACTION_LEN);
- if (implicit_bit == StorageType(0))
+ if (!from_bits.get_implicit_bit())
raise_except_if_required(FE_UNDERFLOW | FE_INEXACT);
- return cpp::bit_cast<long double>(int_val);
+ return from_bits.get_val();
}
} // namespace fputil
diff --git a/libc/src/__support/common.h b/libc/src/__support/common.h
index 53951dc131c28b6..a153dfc363d7374 100644
--- a/libc/src/__support/common.h
+++ b/libc/src/__support/common.h
@@ -25,7 +25,6 @@
#define LLVM_LIBC_FUNCTION_IMPL(type, name, arglist) \
LLVM_LIBC_FUNCTION_ATTR decltype(LIBC_NAMESPACE::name) \
__##name##_impl__ __asm__(#name); \
- decltype(LIBC_NAMESPACE::name) name [[gnu::alias(#name)]]; \
type __##name##_impl__ arglist
#else
#define LLVM_LIBC_FUNCTION_IMPL(type, name, arglist) type name arglist
diff --git a/libc/src/__support/str_to_float.h b/libc/src/__support/str_to_float.h
index 8aeb3d2cea03ddf..9655c993bee28f4 100644
--- a/libc/src/__support/str_to_float.h
+++ b/libc/src/__support/str_to_float.h
@@ -1167,7 +1167,7 @@ LIBC_INLINE StrToNumResult<T> strtofloatingpoint(const char *__restrict src) {
index = left_paren;
}
}
- result = FPBits(result.build_quiet_nan(nan_mantissa, result.sign()));
+ result = FPBits(result.build_quiet_nan(result.sign(), nan_mantissa));
}
} else if (tolower(src[index]) == 'i') { // INF
if (tolower(src[index + 1]) == inf_string[1] &&
@@ -1215,7 +1215,7 @@ template <class T> LIBC_INLINE StrToNumResult<T> strtonan(const char *arg) {
nan_mantissa = static_cast<StorageType>(nan_mantissa_result);
}
- result = FPBits(result.build_quiet_nan(nan_mantissa));
+ result = FPBits::build_quiet_nan(fputil::Sign::POS, nan_mantissa);
return {T(result), 0, error};
}
diff --git a/libc/src/math/generic/acosf.cpp b/libc/src/math/generic/acosf.cpp
index 67832596a67fba8..7b2a09101182e14 100644
--- a/libc/src/math/generic/acosf.cpp
+++ b/libc/src/math/generic/acosf.cpp
@@ -85,7 +85,7 @@ LLVM_LIBC_FUNCTION(float, acosf, (float x)) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
}
- return x + FPBits::build_quiet_nan(0);
+ return x + FPBits::build_quiet_nan().get_val();
}
// When 0.5 < |x| < 1, we perform range reduction as follow:
diff --git a/libc/src/math/generic/acoshf.cpp b/libc/src/math/generic/acoshf.cpp
index b0b87095fbb07a2..a546cc2268b049d 100644
--- a/libc/src/math/generic/acoshf.cpp
+++ b/libc/src/math/generic/acoshf.cpp
@@ -29,7 +29,7 @@ LLVM_LIBC_FUNCTION(float, acoshf, (float x)) {
// x < 1.
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return FPBits_t::build_quiet_nan(0);
+ return FPBits_t::build_quiet_nan().get_val();
}
if (LIBC_UNLIKELY(x_u >= 0x4f8ffb03)) {
diff --git a/libc/src/math/generic/asinf.cpp b/libc/src/math/generic/asinf.cpp
index bc0d27c1eebc5d1..ee8e853063644ee 100644
--- a/libc/src/math/generic/asinf.cpp
+++ b/libc/src/math/generic/asinf.cpp
@@ -109,7 +109,7 @@ LLVM_LIBC_FUNCTION(float, asinf, (float x)) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
}
- return x + FPBits::build_nan(FPBits::FRACTION_MASK);
+ return x + FPBits::build_nan(Sign::POS, FPBits::FRACTION_MASK).get_val();
}
// Check for exceptional values
diff --git a/libc/src/math/generic/atanhf.cpp b/libc/src/math/generic/atanhf.cpp
index fd6f5c96b6b4e6a..cd0acbf24e928c7 100644
--- a/libc/src/math/generic/atanhf.cpp
+++ b/libc/src/math/generic/atanhf.cpp
@@ -29,11 +29,11 @@ LLVM_LIBC_FUNCTION(float, atanhf, (float x)) {
if (x_abs == 0x3F80'0000U) {
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return FPBits::inf(sign);
+ return FPBits::inf(sign).get_val();
} else {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return FPBits::build_quiet_nan(0);
+ return FPBits::build_quiet_nan().get_val();
}
}
diff --git a/libc/src/math/generic/cosf.cpp b/libc/src/math/generic/cosf.cpp
index 89333ab19e89f9c..132e72c0f65dad3 100644
--- a/libc/src/math/generic/cosf.cpp
+++ b/libc/src/math/generic/cosf.cpp
@@ -118,7 +118,7 @@ LLVM_LIBC_FUNCTION(float, cosf, (float x)) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
}
- return x + FPBits::build_quiet_nan(0);
+ return x + FPBits::build_quiet_nan().get_val();
}
// Combine the results with the sine of sum formula:
diff --git a/libc/src/math/generic/coshf.cpp b/libc/src/math/generic/coshf.cpp
index 3b01852e9f544a5..a618056a64dc8a3 100644
--- a/libc/src/math/generic/coshf.cpp
+++ b/libc/src/math/generic/coshf.cpp
@@ -32,16 +32,16 @@ LLVM_LIBC_FUNCTION(float, coshf, (float x)) {
}
if (xbits.is_inf_or_nan())
- return x + FPBits::inf();
+ return x + FPBits::inf().get_val();
int rounding = fputil::quick_get_round();
if (LIBC_UNLIKELY(rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO))
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
- return x + FPBits::inf();
+ return x + FPBits::inf().get_val();
}
// TODO: We should be able to reduce the latency and reciprocal throughput
diff --git a/libc/src/math/generic/exp.cpp b/libc/src/math/generic/exp.cpp
index a1b4d9a64f96906..49ea1699bb20934 100644
--- a/libc/src/math/generic/exp.cpp
+++ b/libc/src/math/generic/exp.cpp
@@ -205,7 +205,7 @@ double set_exceptional(double x) {
return x;
if (fputil::quick_get_round() == FE_UPWARD)
- return FPBits::min_denormal();
+ return FPBits::min_subnormal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_UNDERFLOW);
return 0.0;
@@ -216,7 +216,7 @@ double set_exceptional(double x) {
if (x_u < 0x7ff0'0000'0000'0000ULL) {
int rounding = fputil::quick_get_round();
if (rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO)
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
diff --git a/libc/src/math/generic/exp10.cpp b/libc/src/math/generic/exp10.cpp
index e441f2c0edc7dd7..f1da03cba0b30bb 100644
--- a/libc/src/math/generic/exp10.cpp
+++ b/libc/src/math/generic/exp10.cpp
@@ -248,7 +248,7 @@ double set_exceptional(double x) {
return x;
if (fputil::quick_get_round() == FE_UPWARD)
- return FPBits::min_denormal();
+ return FPBits::min_subnormal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_UNDERFLOW);
return 0.0;
@@ -262,7 +262,7 @@ double set_exceptional(double x) {
if (x_u < 0x7ff0'0000'0000'0000ULL) {
int rounding = fputil::quick_get_round();
if (rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO)
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
diff --git a/libc/src/math/generic/exp10f_impl.h b/libc/src/math/generic/exp10f_impl.h
index 2861659a6e57e07..ff4c1c3aec67ced 100644
--- a/libc/src/math/generic/exp10f_impl.h
+++ b/libc/src/math/generic/exp10f_impl.h
@@ -42,7 +42,7 @@ LIBC_INLINE float exp10f(float x) {
if (xbits.is_nan())
return x;
if (fputil::fenv_is_round_up())
- return FPBits::min_denormal();
+ return FPBits::min_subnormal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_UNDERFLOW);
return 0.0f;
@@ -53,13 +53,13 @@ LIBC_INLINE float exp10f(float x) {
if (x_u < 0x7f80'0000U) {
int rounding = fputil::quick_get_round();
if (rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO)
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
}
// x is +inf or nan
- return x + FPBits::inf();
+ return x + FPBits::inf().get_val();
}
}
diff --git a/libc/src/math/generic/exp2.cpp b/libc/src/math/generic/exp2.cpp
index 70bc4870806a9cc..508bff9bd9fc9cf 100644
--- a/libc/src/math/generic/exp2.cpp
+++ b/libc/src/math/generic/exp2.cpp
@@ -223,7 +223,7 @@ double set_exceptional(double x) {
return x;
if (fputil::quick_get_round() == FE_UPWARD)
- return FPBits::min_denormal();
+ return FPBits::min_subnormal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_UNDERFLOW);
return 0.0;
@@ -237,7 +237,7 @@ double set_exceptional(double x) {
if (x_u < 0x7ff0'0000'0000'0000ULL) {
int rounding = fputil::quick_get_round();
if (rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO)
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
diff --git a/libc/src/math/generic/exp2f_impl.h b/libc/src/math/generic/exp2f_impl.h
index 86360840b96e6f0..d2342e289fcba03 100644
--- a/libc/src/math/generic/exp2f_impl.h
+++ b/libc/src/math/generic/exp2f_impl.h
@@ -76,13 +76,13 @@ LIBC_INLINE float exp2f(float x) {
if (x_u < 0x7f80'0000U) {
int rounding = fputil::quick_get_round();
if (rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO)
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
}
// x is +inf or nan
- return x + FPBits::inf();
+ return x + FPBits::inf().get_val();
}
// x <= -150
if (x_u >= 0xc316'0000U) {
@@ -93,7 +93,7 @@ LIBC_INLINE float exp2f(float x) {
if (xbits.is_nan())
return x;
if (fputil::fenv_is_round_up())
- return FPBits::min_denormal();
+ return FPBits::min_subnormal().get_val();
if (x != 0.0f) {
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_UNDERFLOW);
diff --git a/libc/src/math/generic/expf.cpp b/libc/src/math/generic/expf.cpp
index 88d408994fe427a..f3ce8400d0a41e9 100644
--- a/libc/src/math/generic/expf.cpp
+++ b/libc/src/math/generic/expf.cpp
@@ -50,7 +50,7 @@ LLVM_LIBC_FUNCTION(float, expf, (float x)) {
if (xbits.is_nan())
return x;
if (fputil::fenv_is_round_up())
- return FPBits::min_denormal();
+ return FPBits::min_subnormal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_UNDERFLOW);
return 0.0f;
@@ -61,7 +61,7 @@ LLVM_LIBC_FUNCTION(float, expf, (float x)) {
if (xbits.uintval() < 0x7f80'0000U) {
int rounding = fputil::quick_get_round();
if (rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO)
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
diff --git a/libc/src/math/generic/expm1.cpp b/libc/src/math/generic/expm1.cpp
index d9fccf98e8caac5..c1fb80309d7b466 100644
--- a/libc/src/math/generic/expm1.cpp
+++ b/libc/src/math/generic/expm1.cpp
@@ -267,13 +267,13 @@ double set_exceptional(double x) {
if (x_u < 0x7ff0'0000'0000'0000ULL) {
int rounding = fputil::quick_get_round();
if (rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO)
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
}
// x is +inf or nan
- return x + static_cast<double>(FPBits::inf());
+ return x + FPBits::inf().get_val();
}
} // namespace
diff --git a/libc/src/math/generic/expm1f.cpp b/libc/src/math/generic/expm1f.cpp
index c6e0663ec46c3f2..037e60021b2961d 100644
--- a/libc/src/math/generic/expm1f.cpp
+++ b/libc/src/math/generic/expm1f.cpp
@@ -68,12 +68,12 @@ LLVM_LIBC_FUNCTION(float, expm1f, (float x)) {
if (xbits.uintval() < 0x7f80'0000U) {
int rounding = fputil::quick_get_round();
if (rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO)
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
}
- return x + static_cast<float>(FPBits::inf());
+ return x + FPBits::inf().get_val();
}
}
}
diff --git a/libc/src/math/generic/log.cpp b/libc/src/math/generic/log.cpp
index 2db6b7f48fd09fc..b0f7e8c9afa544b 100644
--- a/libc/src/math/generic/log.cpp
+++ b/libc/src/math/generic/log.cpp
@@ -732,28 +732,29 @@ double log_accurate(int e_x, int index, double m_x) {
LLVM_LIBC_FUNCTION(double, log, (double x)) {
using FPBits_t = typename fputil::FPBits<double>;
+ using Sign = fputil::Sign;
FPBits_t xbits(x);
uint64_t x_u = xbits.uintval();
int x_e = -FPBits_t::EXP_BIAS;
- if (LIBC_UNLIKELY(x_u == 0x3FF0'0000'0000'0000ULL)) {
+ if (LIBC_UNLIKELY(xbits == FPBits_t::one())) {
// log(1.0) = +0.0
return 0.0;
}
- if (LIBC_UNLIKELY(xbits.uintval() < FPBits_t::MIN_NORMAL ||
- xbits.uintval() > FPBits_t::MAX_NORMAL)) {
+ if (LIBC_UNLIKELY(xbits.uintval() < FPBits_t::min_normal().uintval() ||
+ xbits.uintval() > FPBits_t::max_normal().uintval())) {
if (xbits.is_zero()) {
// return -Inf and raise FE_DIVBYZERO.
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return static_cast<double>(FPBits_t::inf(fputil::Sign::NEG));
+ return FPBits_t::inf(Sign::NEG).get_val();
}
if (xbits.is_neg() && !xbits.is_nan()) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return FPBits_t::build_quiet_nan(0);
+ return FPBits_t::build_quiet_nan().get_val();
}
if (xbits.is_inf_or_nan()) {
return x;
diff --git a/libc/src/math/generic/log10.cpp b/libc/src/math/generic/log10.cpp
index 3a4d321fdb18c5b..55a3fc5c061e5c2 100644
--- a/libc/src/math/generic/log10.cpp
+++ b/libc/src/math/generic/log10.cpp
@@ -733,28 +733,29 @@ double log10_accurate(int e_x, int index, double m_x) {
LLVM_LIBC_FUNCTION(double, log10, (double x)) {
using FPBits_t = typename fputil::FPBits<double>;
+ using Sign = fputil::Sign;
FPBits_t xbits(x);
uint64_t x_u = xbits.uintval();
int x_e = -FPBits_t::EXP_BIAS;
- if (LIBC_UNLIKELY(x_u == 0x3FF0'0000'0000'0000ULL)) {
+ if (LIBC_UNLIKELY(xbits == FPBits_t::one())) {
// log10(1.0) = +0.0
return 0.0;
}
- if (LIBC_UNLIKELY(xbits.uintval() < FPBits_t::MIN_NORMAL ||
- xbits.uintval() > FPBits_t::MAX_NORMAL)) {
+ if (LIBC_UNLIKELY(xbits.uintval() < FPBits_t::min_normal().uintval() ||
+ xbits.uintval() > FPBits_t::max_normal().uintval())) {
if (xbits.is_zero()) {
// return -Inf and raise FE_DIVBYZERO.
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return static_cast<double>(FPBits_t::inf(fputil::Sign::NEG));
+ return FPBits_t::inf(Sign::NEG).get_val();
}
if (xbits.is_neg() && !xbits.is_nan()) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return FPBits_t::build_quiet_nan(0);
+ return FPBits_t::build_quiet_nan().get_val();
}
if (xbits.is_inf_or_nan()) {
return x;
diff --git a/libc/src/math/generic/log10f.cpp b/libc/src/math/generic/log10f.cpp
index 46505f4e07e6766..f87e34ec5fb385f 100644
--- a/libc/src/math/generic/log10f.cpp
+++ b/libc/src/math/generic/log10f.cpp
@@ -106,6 +106,7 @@ LLVM_LIBC_FUNCTION(float, log10f, (float x)) {
constexpr double LOG10_2 = 0x1.34413509f79ffp-2;
using FPBits = typename fputil::FPBits<float>;
+ using Sign = fputil::Sign;
FPBits xbits(x);
uint32_t x_u = xbits.uintval();
@@ -160,18 +161,19 @@ LLVM_LIBC_FUNCTION(float, log10f, (float x)) {
int m = -FPBits::EXP_BIAS;
- if (LIBC_UNLIKELY(x_u < FPBits::MIN_NORMAL || x_u > FPBits::MAX_NORMAL)) {
+ if (LIBC_UNLIKELY(x_u < FPBits::min_normal().uintval() ||
+ x_u > FPBits::max_normal().uintval())) {
if (xbits.is_zero()) {
// Return -inf and raise FE_DIVBYZERO
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return static_cast<float>(FPBits::inf(fputil::Sign::NEG));
+ return FPBits::inf(Sign::NEG).get_val();
}
if (xbits.is_neg() && !xbits.is_nan()) {
// Return NaN and raise FE_INVALID
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return FPBits::build_quiet_nan(0);
+ return FPBits::build_quiet_nan().get_val();
}
if (xbits.is_inf_or_nan()) {
return x;
diff --git a/libc/src/math/generic/log1p.cpp b/libc/src/math/generic/log1p.cpp
index 731fecae6f1b5c9..ae432620ba32894 100644
--- a/libc/src/math/generic/log1p.cpp
+++ b/libc/src/math/generic/log1p.cpp
@@ -873,6 +873,7 @@ LIBC_INLINE double log1p_accurate(int e_x, int index,
LLVM_LIBC_FUNCTION(double, log1p, (double x)) {
using FPBits_t = typename fputil::FPBits<double>;
+ using Sign = fputil::Sign;
constexpr int EXP_BIAS = FPBits_t::EXP_BIAS;
constexpr int FRACTION_LEN = FPBits_t::FRACTION_LEN;
constexpr uint64_t FRACTION_MASK = FPBits_t::FRACTION_MASK;
@@ -887,19 +888,19 @@ LLVM_LIBC_FUNCTION(double, log1p, (double x)) {
// |x| >= 1
if (LIBC_UNLIKELY(x_u >= 0x4650'0000'0000'0000ULL)) {
// x >= 2^102 or x is negative, inf, or NaN
- if (LIBC_UNLIKELY(x_u > FPBits_t::MAX_NORMAL)) {
+ if (LIBC_UNLIKELY(x_u > FPBits_t::max_normal().uintval())) {
// x <= -1.0 or x is Inf or NaN
if (x_u == 0xbff0'0000'0000'0000ULL) {
// x = -1.0
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return static_cast<double>(FPBits_t::inf(fputil::Sign::NEG));
+ return FPBits_t::inf(Sign::NEG).get_val();
}
if (xbits.is_neg() && !xbits.is_nan()) {
// x < -1.0
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return FPBits_t::build_quiet_nan(0);
+ return FPBits_t::build_quiet_nan().get_val();
}
// x is +Inf or NaN
return x;
diff --git a/libc/src/math/generic/log1pf.cpp b/libc/src/math/generic/log1pf.cpp
index 0812569c624b854..bc472caf54f89c6 100644
--- a/libc/src/math/generic/log1pf.cpp
+++ b/libc/src/math/generic/log1pf.cpp
@@ -43,11 +43,11 @@ LIBC_INLINE float log(double x) {
uint64_t x_u = xbits.uintval();
- if (LIBC_UNLIKELY(x_u > FPBits::MAX_NORMAL)) {
+ if (LIBC_UNLIKELY(x_u > FPBits::max_normal().uintval())) {
if (xbits.is_neg() && !xbits.is_nan()) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return fputil::FPBits<float>::build_quiet_nan(0);
+ return fputil::FPBits<float>::build_quiet_nan().get_val();
}
return static_cast<float>(x);
}
diff --git a/libc/src/math/generic/log2.cpp b/libc/src/math/generic/log2.cpp
index 5b7fb65d7738518..480c690a650378d 100644
--- a/libc/src/math/generic/log2.cpp
+++ b/libc/src/math/generic/log2.cpp
@@ -854,28 +854,29 @@ double log2_accurate(int e_x, int index, double m_x) {
LLVM_LIBC_FUNCTION(double, log2, (double x)) {
using FPBits_t = typename fputil::FPBits<double>;
+ using Sign = fputil::Sign;
FPBits_t xbits(x);
uint64_t x_u = xbits.uintval();
int x_e = -FPBits_t::EXP_BIAS;
- if (LIBC_UNLIKELY(x_u == 0x3FF0'0000'0000'0000ULL)) {
+ if (LIBC_UNLIKELY(xbits == FPBits_t::one())) {
// log2(1.0) = +0.0
return 0.0;
}
- if (LIBC_UNLIKELY(xbits.uintval() < FPBits_t::MIN_NORMAL ||
- xbits.uintval() > FPBits_t::MAX_NORMAL)) {
+ if (LIBC_UNLIKELY(xbits.uintval() < FPBits_t::min_normal().uintval() ||
+ xbits.uintval() > FPBits_t::max_normal().uintval())) {
if (xbits.is_zero()) {
// return -Inf and raise FE_DIVBYZERO.
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return static_cast<double>(FPBits_t::inf(fputil::Sign::NEG));
+ return FPBits_t::inf(Sign::NEG).get_val();
}
if (xbits.is_neg() && !xbits.is_nan()) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return FPBits_t::build_quiet_nan(0);
+ return FPBits_t::build_quiet_nan().get_val();
}
if (xbits.is_inf_or_nan()) {
return x;
diff --git a/libc/src/math/generic/log2f.cpp b/libc/src/math/generic/log2f.cpp
index 9cddbb9e8ea4866..7eaa5d53ccedd33 100644
--- a/libc/src/math/generic/log2f.cpp
+++ b/libc/src/math/generic/log2f.cpp
@@ -55,6 +55,7 @@ namespace LIBC_NAMESPACE {
LLVM_LIBC_FUNCTION(float, log2f, (float x)) {
using FPBits = typename fputil::FPBits<float>;
+ using Sign = fputil::Sign;
FPBits xbits(x);
uint32_t x_u = xbits.uintval();
@@ -68,16 +69,17 @@ LLVM_LIBC_FUNCTION(float, log2f, (float x)) {
return 0.0f;
// Exceptional inputs.
- if (LIBC_UNLIKELY(x_u < FPBits::MIN_NORMAL || x_u > FPBits::MAX_NORMAL)) {
+ if (LIBC_UNLIKELY(x_u < FPBits::min_normal().uintval() ||
+ x_u > FPBits::max_normal().uintval())) {
if (xbits.is_zero()) {
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return static_cast<float>(FPBits::inf(fputil::Sign::NEG));
+ return FPBits::inf(Sign::NEG).get_val();
}
if (xbits.is_neg() && !xbits.is_nan()) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except(FE_INVALID);
- return FPBits::build_quiet_nan(0);
+ return FPBits::build_quiet_nan().get_val();
}
if (xbits.is_inf_or_nan()) {
return x;
diff --git a/libc/src/math/generic/logf.cpp b/libc/src/math/generic/logf.cpp
index 8ccb55dcc9e3365..88f7ea01b2f19a5 100644
--- a/libc/src/math/generic/logf.cpp
+++ b/libc/src/math/generic/logf.cpp
@@ -54,6 +54,7 @@ namespace LIBC_NAMESPACE {
LLVM_LIBC_FUNCTION(float, logf, (float x)) {
constexpr double LOG_2 = 0x1.62e42fefa39efp-1;
using FPBits = typename fputil::FPBits<float>;
+ using Sign = fputil::Sign;
FPBits xbits(x);
uint32_t x_u = xbits.uintval();
@@ -79,7 +80,7 @@ LLVM_LIBC_FUNCTION(float, logf, (float x)) {
#endif // LIBC_TARGET_CPU_HAS_FMA
}
// Subnormal inputs.
- if (LIBC_UNLIKELY(x_u < FPBits::MIN_NORMAL)) {
+ if (LIBC_UNLIKELY(x_u < FPBits::min_normal().uintval())) {
if (x_u == 0) {
// Return -inf and raise FE_DIVBYZERO
fputil::set_errno_if_required(ERANGE);
@@ -112,18 +113,18 @@ LLVM_LIBC_FUNCTION(float, logf, (float x)) {
#endif // LIBC_TARGET_CPU_HAS_FMA
}
// Exceptional inputs.
- if (LIBC_UNLIKELY(x_u > FPBits::MAX_NORMAL)) {
+ if (LIBC_UNLIKELY(x_u > FPBits::max_normal().uintval())) {
if (x_u == 0x8000'0000U) {
// Return -inf and raise FE_DIVBYZERO
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return static_cast<float>(FPBits::inf(fputil::Sign::NEG));
+ return FPBits::inf(Sign::NEG).get_val();
}
if (xbits.is_neg() && !xbits.is_nan()) {
// Return NaN and raise FE_INVALID
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return FPBits::build_quiet_nan(0);
+ return FPBits::build_quiet_nan().get_val();
}
// x is +inf or nan
return x;
diff --git a/libc/src/math/generic/powf.cpp b/libc/src/math/generic/powf.cpp
index 932f1d70c33e8ec..0e164ab8b422537 100644
--- a/libc/src/math/generic/powf.cpp
+++ b/libc/src/math/generic/powf.cpp
@@ -547,14 +547,15 @@ LLVM_LIBC_FUNCTION(float, powf, (float x, float y)) {
// pow(+-0, -Inf) = +inf and raise FE_DIVBYZERO
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return FloatBits::inf();
+ return FloatBits::inf().get_val();
}
// pow (|x| < 1, -inf) = +inf
// pow (|x| < 1, +inf) = 0.0f
// pow (|x| > 1, -inf) = 0.0f
// pow (|x| > 1, +inf) = +inf
- return ((x_abs < 0x3f80'0000) == (y_u == 0xff80'0000)) ? FloatBits::inf()
- : 0.0f;
+ return ((x_abs < 0x3f80'0000) == (y_u == 0xff80'0000))
+ ? FloatBits::inf().get_val()
+ : 0.0f;
}
default:
// Speed up for common exponents
@@ -617,7 +618,7 @@ LLVM_LIBC_FUNCTION(float, powf, (float x, float y)) {
// pow(0, negative number) = inf
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_DIVBYZERO);
- return FloatBits::inf(out_is_neg ? Sign::NEG : Sign::POS);
+ return FloatBits::inf(out_is_neg ? Sign::NEG : Sign::POS).get_val();
}
// pow(0, positive number) = 0
return out_is_neg ? -0.0f : 0.0f;
@@ -628,7 +629,7 @@ LLVM_LIBC_FUNCTION(float, powf, (float x, float y)) {
if (y_u >= FloatBits::SIGN_MASK) {
return out_is_neg ? -0.0f : 0.0f;
}
- return FloatBits::inf(out_is_neg ? Sign::NEG : Sign::POS);
+ return FloatBits::inf(out_is_neg ? Sign::NEG : Sign::POS).get_val();
}
}
@@ -656,7 +657,7 @@ LLVM_LIBC_FUNCTION(float, powf, (float x, float y)) {
// pow( negative, non-integer ) = NaN
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
- return FloatBits::build_quiet_nan(0);
+ return FloatBits::build_quiet_nan().get_val();
}
}
}
diff --git a/libc/src/math/generic/sincosf.cpp b/libc/src/math/generic/sincosf.cpp
index 44371db710871ac..f12b93a0e69653b 100644
--- a/libc/src/math/generic/sincosf.cpp
+++ b/libc/src/math/generic/sincosf.cpp
@@ -148,7 +148,9 @@ LLVM_LIBC_FUNCTION(void, sincosf, (float x, float *sinp, float *cosp)) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
}
- *sinp = x + FPBits::build_nan(FPBits::FRACTION_MASK);
+ *sinp =
+ x +
+ FPBits::build_nan(fputil::Sign::POS, FPBits::FRACTION_MASK).get_val();
*cosp = *sinp;
return;
}
diff --git a/libc/src/math/generic/sinf.cpp b/libc/src/math/generic/sinf.cpp
index 9e574d4e5724029..7ba479f0a45980a 100644
--- a/libc/src/math/generic/sinf.cpp
+++ b/libc/src/math/generic/sinf.cpp
@@ -139,7 +139,7 @@ LLVM_LIBC_FUNCTION(float, sinf, (float x)) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
}
- return x + FPBits::build_quiet_nan(0);
+ return x + FPBits::build_quiet_nan().get_val();
}
// Combine the results with the sine of sum formula:
diff --git a/libc/src/math/generic/sinhf.cpp b/libc/src/math/generic/sinhf.cpp
index b3850c674270665..780c9a1f8d6ac35 100644
--- a/libc/src/math/generic/sinhf.cpp
+++ b/libc/src/math/generic/sinhf.cpp
@@ -56,16 +56,16 @@ LLVM_LIBC_FUNCTION(float, sinhf, (float x)) {
int rounding = fputil::quick_get_round();
if (xbits.is_neg()) {
if (LIBC_UNLIKELY(rounding == FE_UPWARD || rounding == FE_TOWARDZERO))
- return -FPBits::max_normal();
+ return -FPBits::max_normal().get_val();
} else {
if (LIBC_UNLIKELY(rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO))
- return FPBits::max_normal();
+ return FPBits::max_normal().get_val();
}
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW);
- return x + FPBits::inf(xbits.sign());
+ return x + FPBits::inf(xbits.sign()).get_val();
}
// sinh(x) = (e^x - e^(-x)) / 2.
diff --git a/libc/src/math/generic/tanf.cpp b/libc/src/math/generic/tanf.cpp
index 7909e9e5d5568a3..09dd62eae03f808 100644
--- a/libc/src/math/generic/tanf.cpp
+++ b/libc/src/math/generic/tanf.cpp
@@ -114,7 +114,7 @@ LLVM_LIBC_FUNCTION(float, tanf, (float x)) {
fputil::set_errno_if_required(EDOM);
fputil::raise_except_if_required(FE_INVALID);
}
- return x + FPBits::build_quiet_nan(0);
+ return x + FPBits::build_quiet_nan().get_val();
}
// Other large exceptional values
if (auto r = TANF_EXCEPTS.lookup_odd(x_abs, x_sign);
diff --git a/libc/test/UnitTest/FPMatcher.h b/libc/test/UnitTest/FPMatcher.h
index 26b8e3e60bdfd61..9880fa51c54811a 100644
--- a/libc/test/UnitTest/FPMatcher.h
+++ b/libc/test/UnitTest/FPMatcher.h
@@ -66,16 +66,16 @@ template <typename T> struct FPTest : public Test {
using Sign = LIBC_NAMESPACE::fputil::Sign;
static constexpr StorageType STORAGE_MAX =
LIBC_NAMESPACE::cpp::numeric_limits<StorageType>::max();
- static constexpr T zero = FPBits::zero(Sign::POS);
- static constexpr T neg_zero = FPBits::zero(Sign::NEG);
- static constexpr T aNaN = FPBits::build_quiet_nan(1);
- static constexpr T sNaN = FPBits::build_nan(1);
- static constexpr T inf = FPBits::inf(Sign::POS);
- static constexpr T neg_inf = FPBits::inf(Sign::NEG);
- static constexpr T min_normal = FPBits::min_normal();
- static constexpr T max_normal = FPBits::max_normal();
- static constexpr T min_denormal = FPBits::min_denormal();
- static constexpr T max_denormal = FPBits::max_denormal();
+ static constexpr T zero = T(FPBits::zero(Sign::POS));
+ static constexpr T neg_zero = T(FPBits::zero(Sign::NEG));
+ static constexpr T aNaN = T(FPBits::build_quiet_nan(Sign::POS, 1));
+ static constexpr T sNaN = T(FPBits::build_nan(Sign::POS, 1));
+ static constexpr T inf = T(FPBits::inf(Sign::POS));
+ static constexpr T neg_inf = T(FPBits::inf(Sign::NEG));
+ static constexpr T min_normal = T(FPBits::min_normal());
+ static constexpr T max_normal = T(FPBits::max_normal());
+ static constexpr T min_denormal = T(FPBits::min_subnormal());
+ static constexpr T max_denormal = T(FPBits::max_subnormal());
static constexpr int N_ROUNDING_MODES = 4;
static constexpr fputil::testing::RoundingMode ROUNDING_MODES[4] = {
@@ -95,16 +95,16 @@ template <typename T> struct FPTest : public Test {
using Sign = LIBC_NAMESPACE::fputil::Sign; \
static constexpr StorageType STORAGE_MAX = \
LIBC_NAMESPACE::cpp::numeric_limits<StorageType>::max(); \
- const T zero = FPBits::zero(Sign::POS); \
- const T neg_zero = FPBits::zero(Sign::NEG); \
- const T aNaN = FPBits::build_quiet_nan(1); \
- const T sNaN = FPBits::build_nan(1); \
- const T inf = FPBits::inf(Sign::POS); \
- const T neg_inf = FPBits::inf(Sign::NEG); \
- const T min_normal = FPBits::min_normal(); \
- const T max_normal = FPBits::max_normal(); \
- const T min_denormal = FPBits::min_denormal(); \
- const T max_denormal = FPBits::max_denormal();
+ const T zero = T(FPBits::zero(Sign::POS)); \
+ const T neg_zero = T(FPBits::zero(Sign::NEG)); \
+ const T aNaN = T(FPBits::build_quiet_nan(Sign::POS, 1)); \
+ const T sNaN = T(FPBits::build_nan(Sign::POS, 1)); \
+ const T inf = T(FPBits::inf(Sign::POS)); \
+ const T neg_inf = T(FPBits::inf(Sign::NEG)); \
+ const T min_normal = T(FPBits::min_normal()); \
+ const T max_normal = T(FPBits::max_normal()); \
+ const T min_denormal = T(FPBits::min_subnormal()); \
+ const T max_denormal = T(FPBits::max_subnormal());
#define EXPECT_FP_EQ(expected, actual) \
EXPECT_THAT(actual, LIBC_NAMESPACE::testing::getMatcher< \
diff --git a/libc/test/src/__support/FPUtil/fpbits_test.cpp b/libc/test/src/__support/FPUtil/fpbits_test.cpp
index e6b6d7d9ec78090..db9f6750bedef12 100644
--- a/libc/test/src/__support/FPUtil/fpbits_test.cpp
+++ b/libc/test/src/__support/FPUtil/fpbits_test.cpp
@@ -232,13 +232,11 @@ TEST(LlvmLibcFPBitsTest, FPType_X86_Binary80_IsNan) {
TEST(LlvmLibcFPBitsTest, FloatType) {
using FloatBits = FPBits<float>;
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(FloatBits(FloatBits::inf(Sign::POS))).c_str(),
- "(+Infinity)");
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(FloatBits(FloatBits::inf(Sign::NEG))).c_str(),
- "(-Infinity)");
- EXPECT_STREQ(LIBC_NAMESPACE::str(FloatBits(FloatBits::build_nan(1))).c_str(),
+ EXPECT_STREQ(LIBC_NAMESPACE::str(FloatBits::inf(Sign::POS)).c_str(),
+ "(+Infinity)");
+ EXPECT_STREQ(LIBC_NAMESPACE::str(FloatBits::inf(Sign::NEG)).c_str(),
+ "(-Infinity)");
+ EXPECT_STREQ(LIBC_NAMESPACE::str(FloatBits::build_nan(Sign::POS, 1)).c_str(),
"(NaN)");
FloatBits zero(0.0f);
@@ -289,22 +287,19 @@ TEST(LlvmLibcFPBitsTest, FloatType) {
EXPECT_STREQ(LIBC_NAMESPACE::str(negnum).c_str(),
"0xBF900000 = (S: 1, E: 0x007F, M: 0x00100000)");
- FloatBits quiet_nan = FloatBits(FloatBits::build_quiet_nan(1));
+ FloatBits quiet_nan = FloatBits::build_quiet_nan(Sign::POS, 1);
EXPECT_EQ(quiet_nan.is_quiet_nan(), true);
}
TEST(LlvmLibcFPBitsTest, DoubleType) {
using DoubleBits = FPBits<double>;
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(DoubleBits(DoubleBits::inf(Sign::POS))).c_str(),
- "(+Infinity)");
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(DoubleBits(DoubleBits::inf(Sign::NEG))).c_str(),
- "(-Infinity)");
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(DoubleBits(DoubleBits::build_nan(1))).c_str(),
- "(NaN)");
+ EXPECT_STREQ(LIBC_NAMESPACE::str(DoubleBits::inf(Sign::POS)).c_str(),
+ "(+Infinity)");
+ EXPECT_STREQ(LIBC_NAMESPACE::str(DoubleBits::inf(Sign::NEG)).c_str(),
+ "(-Infinity)");
+ EXPECT_STREQ(LIBC_NAMESPACE::str(DoubleBits::build_nan(Sign::POS, 1)).c_str(),
+ "(NaN)");
DoubleBits zero(0.0);
EXPECT_TRUE(zero.is_pos());
@@ -354,7 +349,7 @@ TEST(LlvmLibcFPBitsTest, DoubleType) {
EXPECT_STREQ(LIBC_NAMESPACE::str(negnum).c_str(),
"0xBFF2000000000000 = (S: 1, E: 0x03FF, M: 0x0002000000000000)");
- DoubleBits quiet_nan = DoubleBits(DoubleBits::build_quiet_nan(1));
+ DoubleBits quiet_nan = DoubleBits::build_quiet_nan(Sign::POS, 1);
EXPECT_EQ(quiet_nan.is_quiet_nan(), true);
}
@@ -365,16 +360,12 @@ TEST(LlvmLibcFPBitsTest, X86LongDoubleType) {
if constexpr (sizeof(long double) == sizeof(double))
return; // The tests for the "double" type cover for this case.
+ EXPECT_STREQ(LIBC_NAMESPACE::str(LongDoubleBits::inf(Sign::POS)).c_str(),
+ "(+Infinity)");
+ EXPECT_STREQ(LIBC_NAMESPACE::str(LongDoubleBits::inf(Sign::NEG)).c_str(),
+ "(-Infinity)");
EXPECT_STREQ(
- LIBC_NAMESPACE::str(LongDoubleBits(LongDoubleBits::inf(Sign::POS)))
- .c_str(),
- "(+Infinity)");
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(LongDoubleBits(LongDoubleBits::inf(Sign::NEG)))
- .c_str(),
- "(-Infinity)");
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(LongDoubleBits(LongDoubleBits::build_nan(1))).c_str(),
+ LIBC_NAMESPACE::str(LongDoubleBits::build_nan(Sign::POS, 1)).c_str(),
"(NaN)");
LongDoubleBits zero(0.0l);
@@ -440,7 +431,7 @@ TEST(LlvmLibcFPBitsTest, X86LongDoubleType) {
"0x000000000000BFFF9000000000000000 = "
"(S: 1, E: 0x3FFF, I: 1, M: 0x00000000000000001000000000000000)");
- LongDoubleBits quiet_nan = LongDoubleBits(LongDoubleBits::build_quiet_nan(1));
+ LongDoubleBits quiet_nan = LongDoubleBits::build_quiet_nan(Sign::POS, 1);
EXPECT_EQ(quiet_nan.is_quiet_nan(), true);
}
#else
@@ -450,16 +441,12 @@ TEST(LlvmLibcFPBitsTest, LongDoubleType) {
#else
using LongDoubleBits = FPBits<long double>;
+ EXPECT_STREQ(LIBC_NAMESPACE::str(LongDoubleBits::inf(Sign::POS)).c_str(),
+ "(+Infinity)");
+ EXPECT_STREQ(LIBC_NAMESPACE::str(LongDoubleBits::inf(Sign::NEG)).c_str(),
+ "(-Infinity)");
EXPECT_STREQ(
- LIBC_NAMESPACE::str(LongDoubleBits(LongDoubleBits::inf(Sign::POS)))
- .c_str(),
- "(+Infinity)");
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(LongDoubleBits(LongDoubleBits::inf(Sign::NEG)))
- .c_str(),
- "(-Infinity)");
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(LongDoubleBits(LongDoubleBits::build_nan(1))).c_str(),
+ LIBC_NAMESPACE::str(LongDoubleBits::build_nan(Sign::POS, 1)).c_str(),
"(NaN)");
LongDoubleBits zero(0.0l);
@@ -519,7 +506,7 @@ TEST(LlvmLibcFPBitsTest, LongDoubleType) {
"0xBFFF2000000000000000000000000000 = "
"(S: 1, E: 0x3FFF, M: 0x00002000000000000000000000000000)");
- LongDoubleBits quiet_nan = LongDoubleBits(LongDoubleBits::build_quiet_nan(1));
+ LongDoubleBits quiet_nan = LongDoubleBits::build_quiet_nan(1);
EXPECT_EQ(quiet_nan.is_quiet_nan(), true);
#endif
}
@@ -529,17 +516,15 @@ TEST(LlvmLibcFPBitsTest, LongDoubleType) {
TEST(LlvmLibcFPBitsTest, Float128Type) {
using Float128Bits = FPBits<float128>;
+ EXPECT_STREQ(LIBC_NAMESPACE::str(Float128Bits::inf(Sign::POS)).c_str(),
+ "(+Infinity)");
+ EXPECT_STREQ(LIBC_NAMESPACE::str(Float128Bits::inf(Sign::NEG)).c_str(),
+ "(-Infinity)");
EXPECT_STREQ(
- LIBC_NAMESPACE::str(Float128Bits(Float128Bits::inf(Sign::POS))).c_str(),
- "(+Infinity)");
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(Float128Bits(Float128Bits::inf(Sign::NEG))).c_str(),
- "(-Infinity)");
- EXPECT_STREQ(
- LIBC_NAMESPACE::str(Float128Bits(Float128Bits::build_nan(1))).c_str(),
+ LIBC_NAMESPACE::str(Float128Bits::build_nan(Sign::POS, 1)).c_str(),
"(NaN)");
- Float128Bits zero(Float128Bits::zero());
+ Float128Bits zero = Float128Bits::zero(Sign::POS);
EXPECT_TRUE(zero.is_pos());
EXPECT_EQ(zero.get_biased_exponent(), static_cast<uint16_t>(0x0000));
EXPECT_EQ(zero.get_mantissa(), static_cast<UInt128>(0x0000000000000000)
@@ -549,7 +534,7 @@ TEST(LlvmLibcFPBitsTest, Float128Type) {
"0x00000000000000000000000000000000 = "
"(S: 0, E: 0x0000, M: 0x00000000000000000000000000000000)");
- Float128Bits negzero(Float128Bits::zero(Sign::NEG));
+ Float128Bits negzero = Float128Bits::zero(Sign::NEG);
EXPECT_TRUE(negzero.is_neg());
EXPECT_EQ(negzero.get_biased_exponent(), static_cast<uint16_t>(0x0000));
EXPECT_EQ(negzero.get_mantissa(), static_cast<UInt128>(0x0000000000000000)
@@ -596,7 +581,7 @@ TEST(LlvmLibcFPBitsTest, Float128Type) {
"0xBFFF2000000000000000000000000000 = "
"(S: 1, E: 0x3FFF, M: 0x00002000000000000000000000000000)");
- Float128Bits quiet_nan = Float128Bits(Float128Bits::build_quiet_nan(1));
+ Float128Bits quiet_nan = Float128Bits::build_quiet_nan(Sign::POS, 1);
EXPECT_EQ(quiet_nan.is_quiet_nan(), true);
}
#endif // LIBC_COMPILER_HAS_FLOAT128
diff --git a/libc/test/src/math/FDimTest.h b/libc/test/src/math/FDimTest.h
index 0744e6ea8fd8fe8..c3d9cb1801cd440 100644
--- a/libc/test/src/math/FDimTest.h
+++ b/libc/test/src/math/FDimTest.h
@@ -24,7 +24,7 @@ class FDimTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
void test_na_n_arg(FuncPtr func) {
EXPECT_FP_EQ(nan, func(nan, inf));
diff --git a/libc/test/src/math/FmaTest.h b/libc/test/src/math/FmaTest.h
index 032a79821d59013..4343b38053dc47e 100644
--- a/libc/test/src/math/FmaTest.h
+++ b/libc/test/src/math/FmaTest.h
@@ -25,11 +25,21 @@ class FmaTestTemplate : public LIBC_NAMESPACE::testing::Test {
using StorageType = typename FPBits::StorageType;
using Sign = LIBC_NAMESPACE::fputil::Sign;
+ const T min_subnormal = T(FPBits::min_subnormal(Sign::POS));
+ const T min_normal = T(FPBits::min_normal(Sign::POS));
+ const T max_normal = T(FPBits::max_normal(Sign::POS));
const T inf = T(FPBits::inf(Sign::POS));
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
+
+ static constexpr StorageType MAX_NORMAL = FPBits::max_normal().uintval();
+ static constexpr StorageType MIN_NORMAL = FPBits::min_normal().uintval();
+ static constexpr StorageType MAX_SUBNORMAL =
+ FPBits::max_subnormal().uintval();
+ static constexpr StorageType MIN_SUBNORMAL =
+ FPBits::min_subnormal().uintval();
StorageType get_random_bit_pattern() {
StorageType bits{0};
@@ -52,14 +62,13 @@ class FmaTestTemplate : public LIBC_NAMESPACE::testing::Test {
EXPECT_FP_EQ(func(inf, neg_inf, nan), nan);
// Test underflow rounding up.
- EXPECT_FP_EQ(func(T(0.5), FPBits::min_denormal(), FPBits::min_denormal()),
+ EXPECT_FP_EQ(func(T(0.5), min_subnormal, min_subnormal),
T(FPBits(StorageType(2))));
// Test underflow rounding down.
- T v = T(FPBits(FPBits::MIN_NORMAL + StorageType(1)));
- EXPECT_FP_EQ(
- func(T(1) / T(FPBits::MIN_NORMAL << 1), v, FPBits::min_normal()), v);
+ T v = T(FPBits(MIN_NORMAL + StorageType(1)));
+ EXPECT_FP_EQ(func(T(1) / T(MIN_NORMAL << 1), v, min_normal), v);
// Test overflow.
- T z = FPBits::max_normal();
+ T z = max_normal;
EXPECT_FP_EQ(func(T(1.75), z, -z), T(0.75) * z);
// Exact cancellation.
EXPECT_FP_EQ(func(T(3.0), T(5.0), -T(15.0)), T(0.0));
@@ -68,11 +77,9 @@ class FmaTestTemplate : public LIBC_NAMESPACE::testing::Test {
void test_subnormal_range(Func func) {
constexpr StorageType COUNT = 100'001;
- constexpr StorageType STEP =
- (FPBits::MAX_SUBNORMAL - FPBits::MIN_SUBNORMAL) / COUNT;
- for (StorageType v = FPBits::MIN_SUBNORMAL, w = FPBits::MAX_SUBNORMAL;
- v <= FPBits::MAX_SUBNORMAL && w >= FPBits::MIN_SUBNORMAL;
- v += STEP, w -= STEP) {
+ constexpr StorageType STEP = (MAX_SUBNORMAL - MIN_SUBNORMAL) / COUNT;
+ for (StorageType v = MIN_SUBNORMAL, w = MAX_SUBNORMAL;
+ v <= MAX_SUBNORMAL && w >= MIN_SUBNORMAL; v += STEP, w -= STEP) {
T x = T(FPBits(get_random_bit_pattern())), y = T(FPBits(v)),
z = T(FPBits(w));
mpfr::TernaryInput<T> input{x, y, z};
@@ -83,11 +90,9 @@ class FmaTestTemplate : public LIBC_NAMESPACE::testing::Test {
void test_normal_range(Func func) {
constexpr StorageType COUNT = 100'001;
- constexpr StorageType STEP =
- (FPBits::MAX_NORMAL - FPBits::MIN_NORMAL) / COUNT;
- for (StorageType v = FPBits::MIN_NORMAL, w = FPBits::MAX_NORMAL;
- v <= FPBits::MAX_NORMAL && w >= FPBits::MIN_NORMAL;
- v += STEP, w -= STEP) {
+ constexpr StorageType STEP = (MAX_NORMAL - MIN_NORMAL) / COUNT;
+ for (StorageType v = MIN_NORMAL, w = MAX_NORMAL;
+ v <= MAX_NORMAL && w >= MIN_NORMAL; v += STEP, w -= STEP) {
T x = T(FPBits(v)), y = T(FPBits(w)),
z = T(FPBits(get_random_bit_pattern()));
mpfr::TernaryInput<T> input{x, y, z};
diff --git a/libc/test/src/math/HypotTest.h b/libc/test/src/math/HypotTest.h
index b7eb63c192c70ca..0b85f68fda82aec 100644
--- a/libc/test/src/math/HypotTest.h
+++ b/libc/test/src/math/HypotTest.h
@@ -25,15 +25,22 @@ class HypotTestTemplate : public LIBC_NAMESPACE::testing::Test {
using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
using Sign = LIBC_NAMESPACE::fputil::Sign;
using StorageType = typename FPBits::StorageType;
- const T nan = FPBits::build_quiet_nan(1);
- const T inf = FPBits::inf();
- const T neg_inf = FPBits::inf(Sign::NEG);
- const T zero = FPBits::zero();
- const T neg_zero = FPBits::zero(Sign::NEG);
- const T max_normal = FPBits::max_normal();
- const T min_normal = FPBits::min_normal();
- const T max_subnormal = FPBits::max_denormal();
- const T min_subnormal = FPBits::min_denormal();
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
+ const T inf = T(FPBits::inf());
+ const T neg_inf = T(FPBits::inf(Sign::NEG));
+ const T zero = T(FPBits::zero());
+ const T neg_zero = T(FPBits::zero(Sign::NEG));
+ const T max_normal = T(FPBits::max_normal());
+ const T min_normal = T(FPBits::min_normal());
+ const T max_subnormal = T(FPBits::max_subnormal());
+ const T min_subnormal = T(FPBits::min_subnormal());
+
+ static constexpr StorageType MAX_NORMAL = FPBits::max_normal().uintval();
+ static constexpr StorageType MIN_NORMAL = FPBits::min_normal().uintval();
+ static constexpr StorageType MAX_SUBNORMAL =
+ FPBits::max_subnormal().uintval();
+ static constexpr StorageType MIN_SUBNORMAL =
+ FPBits::min_subnormal().uintval();
public:
void test_special_numbers(Func func) {
@@ -62,12 +69,11 @@ class HypotTestTemplate : public LIBC_NAMESPACE::testing::Test {
void test_subnormal_range(Func func) {
constexpr StorageType COUNT = 10'001;
for (unsigned scale = 0; scale < 4; ++scale) {
- StorageType max_value = FPBits::MAX_SUBNORMAL << scale;
- StorageType step = (max_value - FPBits::MIN_SUBNORMAL) / COUNT;
+ StorageType max_value = MAX_SUBNORMAL << scale;
+ StorageType step = (max_value - MIN_SUBNORMAL) / COUNT;
for (int signs = 0; signs < 4; ++signs) {
- for (StorageType v = FPBits::MIN_SUBNORMAL, w = max_value;
- v <= max_value && w >= FPBits::MIN_SUBNORMAL;
- v += step, w -= step) {
+ for (StorageType v = MIN_SUBNORMAL, w = max_value;
+ v <= max_value && w >= MIN_SUBNORMAL; v += step, w -= step) {
T x = T(FPBits(v)), y = T(FPBits(w));
if (signs % 2 == 1) {
x = -x;
@@ -86,13 +92,10 @@ class HypotTestTemplate : public LIBC_NAMESPACE::testing::Test {
void test_normal_range(Func func) {
constexpr StorageType COUNT = 10'001;
- constexpr StorageType STEP =
- (StorageType(FPBits::MAX_NORMAL) - StorageType(FPBits::MIN_NORMAL)) /
- COUNT;
+ constexpr StorageType STEP = (MAX_NORMAL - MIN_NORMAL) / COUNT;
for (int signs = 0; signs < 4; ++signs) {
- for (StorageType v = FPBits::MIN_NORMAL, w = FPBits::MAX_NORMAL;
- v <= FPBits::MAX_NORMAL && w >= FPBits::MIN_NORMAL;
- v += STEP, w -= STEP) {
+ for (StorageType v = MIN_NORMAL, w = MAX_NORMAL;
+ v <= MAX_NORMAL && w >= MIN_NORMAL; v += STEP, w -= STEP) {
T x = T(FPBits(v)), y = T(FPBits(w));
if (signs % 2 == 1) {
x = -x;
diff --git a/libc/test/src/math/ILogbTest.h b/libc/test/src/math/ILogbTest.h
index 9fa25c9ff986148..223de789999afea 100644
--- a/libc/test/src/math/ILogbTest.h
+++ b/libc/test/src/math/ILogbTest.h
@@ -26,10 +26,10 @@ class LlvmLibcILogbTest : public LIBC_NAMESPACE::testing::Test {
void test_special_numbers(typename ILogbFunc<T>::Func func) {
using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
using Sign = LIBC_NAMESPACE::fputil::Sign;
- EXPECT_EQ(FP_ILOGB0, func(T(FPBits::zero())));
+ EXPECT_EQ(FP_ILOGB0, func(T(FPBits::zero(Sign::POS))));
EXPECT_EQ(FP_ILOGB0, func(T(FPBits::zero(Sign::NEG))));
- EXPECT_EQ(FP_ILOGBNAN, func(T(FPBits::build_quiet_nan(1))));
- EXPECT_EQ(INT_MAX, func(T(FPBits::inf())));
+ EXPECT_EQ(FP_ILOGBNAN, func(T(FPBits::build_quiet_nan(Sign::POS, 1))));
+ EXPECT_EQ(INT_MAX, func(T(FPBits::inf(Sign::POS))));
EXPECT_EQ(INT_MAX, func(T(FPBits::inf(Sign::NEG))));
}
@@ -76,11 +76,11 @@ class LlvmLibcILogbTest : public LIBC_NAMESPACE::testing::Test {
void test_subnormal_range(typename ILogbFunc<T>::Func func) {
using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
using StorageType = typename FPBits::StorageType;
+ constexpr StorageType MIN_SUBNORMAL = FPBits::min_subnormal().uintval();
+ constexpr StorageType MAX_SUBNORMAL = FPBits::max_subnormal().uintval();
constexpr StorageType COUNT = 10'001;
- constexpr StorageType STEP =
- (FPBits::MAX_SUBNORMAL - FPBits::MIN_SUBNORMAL) / COUNT;
- for (StorageType v = FPBits::MIN_SUBNORMAL; v <= FPBits::MAX_SUBNORMAL;
- v += STEP) {
+ constexpr StorageType STEP = (MAX_SUBNORMAL - MIN_SUBNORMAL) / COUNT;
+ for (StorageType v = MIN_SUBNORMAL; v <= MAX_SUBNORMAL; v += STEP) {
T x = T(FPBits(v));
if (isnan(x) || isinf(x) || x == 0.0)
continue;
@@ -95,11 +95,11 @@ class LlvmLibcILogbTest : public LIBC_NAMESPACE::testing::Test {
void test_normal_range(typename ILogbFunc<T>::Func func) {
using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
using StorageType = typename FPBits::StorageType;
+ constexpr StorageType MIN_NORMAL = FPBits::min_normal().uintval();
+ constexpr StorageType MAX_NORMAL = FPBits::max_normal().uintval();
constexpr StorageType COUNT = 10'001;
- constexpr StorageType STEP =
- (FPBits::MAX_NORMAL - FPBits::MIN_NORMAL) / COUNT;
- for (StorageType v = FPBits::MIN_NORMAL; v <= FPBits::MAX_NORMAL;
- v += STEP) {
+ constexpr StorageType STEP = (MAX_NORMAL - MIN_NORMAL) / COUNT;
+ for (StorageType v = MIN_NORMAL; v <= MAX_NORMAL; v += STEP) {
T x = T(FPBits(v));
if (isnan(x) || isinf(x) || x == 0.0)
continue;
diff --git a/libc/test/src/math/LdExpTest.h b/libc/test/src/math/LdExpTest.h
index 25120ba3646fda0..3a4baabbf10e663 100644
--- a/libc/test/src/math/LdExpTest.h
+++ b/libc/test/src/math/LdExpTest.h
@@ -29,7 +29,7 @@ class LdExpTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
// A normalized mantissa to be used with tests.
static constexpr StorageType MANTISSA = NormalFloat::ONE + 0x1234;
diff --git a/libc/test/src/math/NextAfterTest.h b/libc/test/src/math/NextAfterTest.h
index aa9646fd921f811..9ff3bf73d2ede17 100644
--- a/libc/test/src/math/NextAfterTest.h
+++ b/libc/test/src/math/NextAfterTest.h
@@ -27,12 +27,12 @@ class NextAfterTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
- const StorageType min_subnormal = FPBits::MIN_SUBNORMAL;
- const StorageType max_subnormal = FPBits::MAX_SUBNORMAL;
- const StorageType min_normal = FPBits::MIN_NORMAL;
- const StorageType max_normal = FPBits::MAX_NORMAL;
+ const StorageType min_subnormal = FPBits::min_subnormal().uintval();
+ const StorageType max_subnormal = FPBits::max_subnormal().uintval();
+ const StorageType min_normal = FPBits::min_normal().uintval();
+ const StorageType max_normal = FPBits::max_normal().uintval();
public:
typedef T (*NextAfterFunc)(T, T);
diff --git a/libc/test/src/math/RIntTest.h b/libc/test/src/math/RIntTest.h
index 6816e94d389f4e3..b478e3f65dbc8ea 100644
--- a/libc/test/src/math/RIntTest.h
+++ b/libc/test/src/math/RIntTest.h
@@ -38,7 +38,14 @@ class RIntTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
+
+ static constexpr StorageType MIN_SUBNORMAL =
+ FPBits::min_subnormal().uintval();
+ static constexpr StorageType MAX_SUBNORMAL =
+ FPBits::max_subnormal().uintval();
+ static constexpr StorageType MIN_NORMAL = FPBits::min_normal().uintval();
+ static constexpr StorageType MAX_NORMAL = FPBits::max_normal().uintval();
static inline mpfr::RoundingMode to_mpfr_rounding_mode(int mode) {
switch (mode) {
@@ -95,10 +102,8 @@ class RIntTestTemplate : public LIBC_NAMESPACE::testing::Test {
void testSubnormalRange(RIntFunc func) {
constexpr StorageType COUNT = 100'001;
- constexpr StorageType STEP =
- (FPBits::MAX_SUBNORMAL - FPBits::MIN_SUBNORMAL) / COUNT;
- for (StorageType i = FPBits::MIN_SUBNORMAL; i <= FPBits::MAX_SUBNORMAL;
- i += STEP) {
+ constexpr StorageType STEP = (MAX_SUBNORMAL - MIN_SUBNORMAL) / COUNT;
+ for (StorageType i = MIN_SUBNORMAL; i <= MAX_SUBNORMAL; i += STEP) {
T x = T(FPBits(i));
for (int mode : ROUNDING_MODES) {
LIBC_NAMESPACE::fputil::set_round(mode);
@@ -110,10 +115,8 @@ class RIntTestTemplate : public LIBC_NAMESPACE::testing::Test {
void testNormalRange(RIntFunc func) {
constexpr StorageType COUNT = 100'001;
- constexpr StorageType STEP =
- (FPBits::MAX_NORMAL - FPBits::MIN_NORMAL) / COUNT;
- for (StorageType i = FPBits::MIN_NORMAL; i <= FPBits::MAX_NORMAL;
- i += STEP) {
+ constexpr StorageType STEP = (MAX_NORMAL - MIN_NORMAL) / COUNT;
+ for (StorageType i = MIN_NORMAL; i <= MAX_NORMAL; i += STEP) {
T x = T(FPBits(i));
// In normal range on x86 platforms, the long double implicit 1 bit can be
// zero making the numbers NaN. We will skip them.
diff --git a/libc/test/src/math/RemQuoTest.h b/libc/test/src/math/RemQuoTest.h
index 9ed952566245217..0ee41f4bf9acf9d 100644
--- a/libc/test/src/math/RemQuoTest.h
+++ b/libc/test/src/math/RemQuoTest.h
@@ -28,7 +28,14 @@ class RemQuoTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
+
+ static constexpr StorageType MIN_SUBNORMAL =
+ FPBits::min_subnormal().uintval();
+ static constexpr StorageType MAX_SUBNORMAL =
+ FPBits::max_subnormal().uintval();
+ static constexpr StorageType MIN_NORMAL = FPBits::min_normal().uintval();
+ static constexpr StorageType MAX_NORMAL = FPBits::max_normal().uintval();
public:
typedef T (*RemQuoFunc)(T, T, int *);
@@ -97,11 +104,9 @@ class RemQuoTestTemplate : public LIBC_NAMESPACE::testing::Test {
void testSubnormalRange(RemQuoFunc func) {
constexpr StorageType COUNT = 100'001;
- constexpr StorageType STEP =
- (FPBits::MAX_SUBNORMAL - FPBits::MIN_SUBNORMAL) / COUNT;
- for (StorageType v = FPBits::MIN_SUBNORMAL, w = FPBits::MAX_SUBNORMAL;
- v <= FPBits::MAX_SUBNORMAL && w >= FPBits::MIN_SUBNORMAL;
- v += STEP, w -= STEP) {
+ constexpr StorageType STEP = (MAX_SUBNORMAL - MIN_SUBNORMAL) / COUNT;
+ for (StorageType v = MIN_SUBNORMAL, w = MAX_SUBNORMAL;
+ v <= MAX_SUBNORMAL && w >= MIN_SUBNORMAL; v += STEP, w -= STEP) {
T x = T(FPBits(v)), y = T(FPBits(w));
mpfr::BinaryOutput<T> result;
mpfr::BinaryInput<T> input{x, y};
@@ -112,11 +117,9 @@ class RemQuoTestTemplate : public LIBC_NAMESPACE::testing::Test {
void testNormalRange(RemQuoFunc func) {
constexpr StorageType COUNT = 1'001;
- constexpr StorageType STEP =
- (FPBits::MAX_NORMAL - FPBits::MIN_NORMAL) / COUNT;
- for (StorageType v = FPBits::MIN_NORMAL, w = FPBits::MAX_NORMAL;
- v <= FPBits::MAX_NORMAL && w >= FPBits::MIN_NORMAL;
- v += STEP, w -= STEP) {
+ constexpr StorageType STEP = (MAX_NORMAL - MIN_NORMAL) / COUNT;
+ for (StorageType v = MIN_NORMAL, w = MAX_NORMAL;
+ v <= MAX_NORMAL && w >= MIN_NORMAL; v += STEP, w -= STEP) {
T x = T(FPBits(v)), y = T(FPBits(w));
mpfr::BinaryOutput<T> result;
mpfr::BinaryInput<T> input{x, y};
diff --git a/libc/test/src/math/RoundToIntegerTest.h b/libc/test/src/math/RoundToIntegerTest.h
index e8ada1b4c36c504..6866c23cb99ca32 100644
--- a/libc/test/src/math/RoundToIntegerTest.h
+++ b/libc/test/src/math/RoundToIntegerTest.h
@@ -37,7 +37,15 @@ class RoundToIntegerTestTemplate : public LIBC_NAMESPACE::testing::Test {
const F neg_zero = F(FPBits::zero(Sign::NEG));
const F inf = F(FPBits::inf());
const F neg_inf = F(FPBits::inf(Sign::NEG));
- const F nan = F(FPBits::build_quiet_nan(1));
+ const F nan = F(FPBits::build_quiet_nan(Sign::POS, 1));
+
+ static constexpr StorageType MAX_NORMAL = FPBits::max_normal().uintval();
+ static constexpr StorageType MIN_NORMAL = FPBits::min_normal().uintval();
+ static constexpr StorageType MAX_SUBNORMAL =
+ FPBits::max_subnormal().uintval();
+ static constexpr StorageType MIN_SUBNORMAL =
+ FPBits::min_subnormal().uintval();
+
static constexpr I INTEGER_MIN = I(1) << (sizeof(I) * 8 - 1);
static constexpr I INTEGER_MAX = -(INTEGER_MIN + 1);
@@ -215,10 +223,8 @@ class RoundToIntegerTestTemplate : public LIBC_NAMESPACE::testing::Test {
void testSubnormalRange(RoundToIntegerFunc func) {
constexpr StorageType COUNT = 1'000'001;
- constexpr StorageType STEP =
- (FPBits::MAX_SUBNORMAL - FPBits::MIN_SUBNORMAL) / COUNT;
- for (StorageType i = FPBits::MIN_SUBNORMAL; i <= FPBits::MAX_SUBNORMAL;
- i += STEP) {
+ constexpr StorageType STEP = (MAX_SUBNORMAL - MIN_SUBNORMAL) / COUNT;
+ for (StorageType i = MIN_SUBNORMAL; i <= MAX_SUBNORMAL; i += STEP) {
F x = F(FPBits(i));
if (x == F(0.0))
continue;
@@ -259,10 +265,8 @@ class RoundToIntegerTestTemplate : public LIBC_NAMESPACE::testing::Test {
return;
constexpr StorageType COUNT = 1'000'001;
- constexpr StorageType STEP =
- (FPBits::MAX_NORMAL - FPBits::MIN_NORMAL) / COUNT;
- for (StorageType i = FPBits::MIN_NORMAL; i <= FPBits::MAX_NORMAL;
- i += STEP) {
+ constexpr StorageType STEP = (MAX_NORMAL - MIN_NORMAL) / COUNT;
+ for (StorageType i = MIN_NORMAL; i <= MAX_NORMAL; i += STEP) {
F x = F(FPBits(i));
// In normal range on x86 platforms, the long double implicit 1 bit can be
// zero making the numbers NaN. We will skip them.
diff --git a/libc/test/src/math/
diff erential_testing/BinaryOpSingleOutputDiff.h b/libc/test/src/math/
diff erential_testing/BinaryOpSingleOutputDiff.h
index ada7c9e4954265d..48572e78e5153e0 100644
--- a/libc/test/src/math/
diff erential_testing/BinaryOpSingleOutputDiff.h
+++ b/libc/test/src/math/
diff erential_testing/BinaryOpSingleOutputDiff.h
@@ -109,10 +109,13 @@ template <typename T> class BinaryOpSingleOutputDiff {
std::ofstream log(logFile);
log << " Performance tests with inputs in denormal range:\n";
run_perf_in_range(myFunc, otherFunc, /* startingBit= */ StorageType(0),
- /* endingBit= */ FPBits::MAX_SUBNORMAL, 1'000'001, log);
+ /* endingBit= */ FPBits::max_subnormal().uintval(),
+ 1'000'001, log);
log << "\n Performance tests with inputs in normal range:\n";
- run_perf_in_range(myFunc, otherFunc, /* startingBit= */ FPBits::MIN_NORMAL,
- /* endingBit= */ FPBits::MAX_NORMAL, 100'000'001, log);
+ run_perf_in_range(myFunc, otherFunc,
+ /* startingBit= */ FPBits::min_normal().uintval(),
+ /* endingBit= */ FPBits::max_normal().uintval(),
+ 100'000'001, log);
log << "\n Performance tests with inputs in normal range with exponents "
"close to each other:\n";
run_perf_in_range(
@@ -126,11 +129,12 @@ template <typename T> class BinaryOpSingleOutputDiff {
log << " Diff tests with inputs in denormal range:\n";
diff Count += run_
diff _in_range(
myFunc, otherFunc, /* startingBit= */ StorageType(0),
- /* endingBit= */ FPBits::MAX_SUBNORMAL, 1'000'001, log);
+ /* endingBit= */ FPBits::max_subnormal().uintval(), 1'000'001, log);
log << "\n Diff tests with inputs in normal range:\n";
diff Count += run_
diff _in_range(
- myFunc, otherFunc, /* startingBit= */ FPBits::MIN_NORMAL,
- /* endingBit= */ FPBits::MAX_NORMAL, 100'000'001, log);
+ myFunc, otherFunc,
+ /* startingBit= */ FPBits::min_normal().uintval(),
+ /* endingBit= */ FPBits::max_normal().uintval(), 100'000'001, log);
log << "\n Diff tests with inputs in normal range with exponents "
"close to each other:\n";
diff Count += run_
diff _in_range(
diff --git a/libc/test/src/math/
diff erential_testing/SingleInputSingleOutputDiff.h b/libc/test/src/math/
diff erential_testing/SingleInputSingleOutputDiff.h
index e4cd06eb22b7162..5e8310e889dc670 100644
--- a/libc/test/src/math/
diff erential_testing/SingleInputSingleOutputDiff.h
+++ b/libc/test/src/math/
diff erential_testing/SingleInputSingleOutputDiff.h
@@ -93,10 +93,11 @@ template <typename T> class SingleInputSingleOutputDiff {
std::ofstream log(logFile);
log << " Performance tests with inputs in denormal range:\n";
runPerfInRange(myFunc, otherFunc, /* startingBit= */ StorageType(0),
- /* endingBit= */ FPBits::MAX_SUBNORMAL, log);
+ /* endingBit= */ FPBits::max_subnormal().uintval(), log);
log << "\n Performance tests with inputs in normal range:\n";
- runPerfInRange(myFunc, otherFunc, /* startingBit= */ FPBits::MIN_NORMAL,
- /* endingBit= */ FPBits::MAX_NORMAL, log);
+ runPerfInRange(myFunc, otherFunc,
+ /* startingBit= */ FPBits::min_normal().uintval(),
+ /* endingBit= */ FPBits::max_normal().uintval(), log);
}
};
diff --git a/libc/test/src/math/smoke/FDimTest.h b/libc/test/src/math/smoke/FDimTest.h
index 0744e6ea8fd8fe8..c3d9cb1801cd440 100644
--- a/libc/test/src/math/smoke/FDimTest.h
+++ b/libc/test/src/math/smoke/FDimTest.h
@@ -24,7 +24,7 @@ class FDimTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
void test_na_n_arg(FuncPtr func) {
EXPECT_FP_EQ(nan, func(nan, inf));
diff --git a/libc/test/src/math/smoke/FmaTest.h b/libc/test/src/math/smoke/FmaTest.h
index dc624d871b9901b..337ce659a23e176 100644
--- a/libc/test/src/math/smoke/FmaTest.h
+++ b/libc/test/src/math/smoke/FmaTest.h
@@ -25,7 +25,7 @@ class FmaTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
public:
void test_special_numbers(Func func) {
@@ -39,14 +39,16 @@ class FmaTestTemplate : public LIBC_NAMESPACE::testing::Test {
EXPECT_FP_EQ(func(inf, neg_inf, nan), nan);
// Test underflow rounding up.
- EXPECT_FP_EQ(func(T(0.5), FPBits::min_denormal(), FPBits::min_denormal()),
- T(FPBits(StorageType(2))));
- // Test underflow rounding down.
- T v = T(FPBits(FPBits::MIN_NORMAL + StorageType(1)));
EXPECT_FP_EQ(
- func(T(1) / T(FPBits::MIN_NORMAL << 1), v, FPBits::min_normal()), v);
+ func(T(0.5), T(FPBits::min_subnormal()), T(FPBits::min_subnormal())),
+ T(FPBits(StorageType(2))));
+ // Test underflow rounding down.
+ StorageType MIN_NORMAL = FPBits::min_normal().uintval();
+ T v = T(FPBits(MIN_NORMAL + StorageType(1)));
+ EXPECT_FP_EQ(func(T(1) / T(MIN_NORMAL << 1), v, T(FPBits::min_normal())),
+ v);
// Test overflow.
- T z = FPBits::max_normal();
+ T z = T(FPBits::max_normal());
EXPECT_FP_EQ(func(T(1.75), z, -z), T(0.75) * z);
// Exact cancellation.
EXPECT_FP_EQ(func(T(3.0), T(5.0), -T(15.0)), T(0.0));
diff --git a/libc/test/src/math/smoke/HypotTest.h b/libc/test/src/math/smoke/HypotTest.h
index 77454c19a6538c6..67110536b962389 100644
--- a/libc/test/src/math/smoke/HypotTest.h
+++ b/libc/test/src/math/smoke/HypotTest.h
@@ -22,16 +22,16 @@ class HypotTestTemplate : public LIBC_NAMESPACE::testing::Test {
using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
using StorageType = typename FPBits::StorageType;
using Sign = LIBC_NAMESPACE::fputil::Sign;
- const T nan = FPBits::build_quiet_nan(1);
- const T inf = FPBits::inf(Sign::POS);
- const T neg_inf = FPBits::inf(Sign::NEG);
- const T zero = FPBits::zero(Sign::POS);
- const T neg_zero = FPBits::zero(Sign::NEG);
-
- const T max_normal = FPBits::max_normal();
- const T min_normal = FPBits::min_normal();
- const T max_subnormal = FPBits::max_denormal();
- const T min_subnormal = FPBits::min_denormal();
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
+ const T inf = T(FPBits::inf(Sign::POS));
+ const T neg_inf = T(FPBits::inf(Sign::NEG));
+ const T zero = T(FPBits::zero(Sign::POS));
+ const T neg_zero = T(FPBits::zero(Sign::NEG));
+
+ const T max_normal = T(FPBits::max_normal());
+ const T min_normal = T(FPBits::min_normal());
+ const T max_subnormal = T(FPBits::max_subnormal());
+ const T min_subnormal = T(FPBits::min_subnormal());
public:
void test_special_numbers(Func func) {
diff --git a/libc/test/src/math/smoke/ILogbTest.h b/libc/test/src/math/smoke/ILogbTest.h
index 0a50abc04f727f1..223de789999afea 100644
--- a/libc/test/src/math/smoke/ILogbTest.h
+++ b/libc/test/src/math/smoke/ILogbTest.h
@@ -28,7 +28,7 @@ class LlvmLibcILogbTest : public LIBC_NAMESPACE::testing::Test {
using Sign = LIBC_NAMESPACE::fputil::Sign;
EXPECT_EQ(FP_ILOGB0, func(T(FPBits::zero(Sign::POS))));
EXPECT_EQ(FP_ILOGB0, func(T(FPBits::zero(Sign::NEG))));
- EXPECT_EQ(FP_ILOGBNAN, func(T(FPBits::build_quiet_nan(1))));
+ EXPECT_EQ(FP_ILOGBNAN, func(T(FPBits::build_quiet_nan(Sign::POS, 1))));
EXPECT_EQ(INT_MAX, func(T(FPBits::inf(Sign::POS))));
EXPECT_EQ(INT_MAX, func(T(FPBits::inf(Sign::NEG))));
}
@@ -76,11 +76,11 @@ class LlvmLibcILogbTest : public LIBC_NAMESPACE::testing::Test {
void test_subnormal_range(typename ILogbFunc<T>::Func func) {
using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
using StorageType = typename FPBits::StorageType;
+ constexpr StorageType MIN_SUBNORMAL = FPBits::min_subnormal().uintval();
+ constexpr StorageType MAX_SUBNORMAL = FPBits::max_subnormal().uintval();
constexpr StorageType COUNT = 10'001;
- constexpr StorageType STEP =
- (FPBits::MAX_SUBNORMAL - FPBits::MIN_SUBNORMAL) / COUNT;
- for (StorageType v = FPBits::MIN_SUBNORMAL; v <= FPBits::MAX_SUBNORMAL;
- v += STEP) {
+ constexpr StorageType STEP = (MAX_SUBNORMAL - MIN_SUBNORMAL) / COUNT;
+ for (StorageType v = MIN_SUBNORMAL; v <= MAX_SUBNORMAL; v += STEP) {
T x = T(FPBits(v));
if (isnan(x) || isinf(x) || x == 0.0)
continue;
@@ -95,11 +95,11 @@ class LlvmLibcILogbTest : public LIBC_NAMESPACE::testing::Test {
void test_normal_range(typename ILogbFunc<T>::Func func) {
using FPBits = LIBC_NAMESPACE::fputil::FPBits<T>;
using StorageType = typename FPBits::StorageType;
+ constexpr StorageType MIN_NORMAL = FPBits::min_normal().uintval();
+ constexpr StorageType MAX_NORMAL = FPBits::max_normal().uintval();
constexpr StorageType COUNT = 10'001;
- constexpr StorageType STEP =
- (FPBits::MAX_NORMAL - FPBits::MIN_NORMAL) / COUNT;
- for (StorageType v = FPBits::MIN_NORMAL; v <= FPBits::MAX_NORMAL;
- v += STEP) {
+ constexpr StorageType STEP = (MAX_NORMAL - MIN_NORMAL) / COUNT;
+ for (StorageType v = MIN_NORMAL; v <= MAX_NORMAL; v += STEP) {
T x = T(FPBits(v));
if (isnan(x) || isinf(x) || x == 0.0)
continue;
diff --git a/libc/test/src/math/smoke/LdExpTest.h b/libc/test/src/math/smoke/LdExpTest.h
index 25120ba3646fda0..3a4baabbf10e663 100644
--- a/libc/test/src/math/smoke/LdExpTest.h
+++ b/libc/test/src/math/smoke/LdExpTest.h
@@ -29,7 +29,7 @@ class LdExpTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
// A normalized mantissa to be used with tests.
static constexpr StorageType MANTISSA = NormalFloat::ONE + 0x1234;
diff --git a/libc/test/src/math/smoke/NextAfterTest.h b/libc/test/src/math/smoke/NextAfterTest.h
index bdf3da627180aa4..1dd07b3d2f93dc0 100644
--- a/libc/test/src/math/smoke/NextAfterTest.h
+++ b/libc/test/src/math/smoke/NextAfterTest.h
@@ -38,12 +38,14 @@ class NextAfterTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
-
- const StorageType min_subnormal = FPBits::MIN_SUBNORMAL;
- const StorageType max_subnormal = FPBits::MAX_SUBNORMAL;
- const StorageType min_normal = FPBits::MIN_NORMAL;
- const StorageType max_normal = FPBits::MAX_NORMAL;
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
+
+ static constexpr StorageType min_subnormal =
+ FPBits::min_subnormal().uintval();
+ static constexpr StorageType max_subnormal =
+ FPBits::max_subnormal().uintval();
+ static constexpr StorageType min_normal = FPBits::min_normal().uintval();
+ static constexpr StorageType max_normal = FPBits::max_normal().uintval();
public:
typedef T (*NextAfterFunc)(T, T);
diff --git a/libc/test/src/math/smoke/NextTowardTest.h b/libc/test/src/math/smoke/NextTowardTest.h
index af4e0ab14531c16..d65cc5d84d35a58 100644
--- a/libc/test/src/math/smoke/NextTowardTest.h
+++ b/libc/test/src/math/smoke/NextTowardTest.h
@@ -40,16 +40,18 @@ class NextTowardTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
-
- const long double to_zero = ToFPBits::zero();
- const long double to_neg_zero = ToFPBits::zero(Sign::NEG);
- const long double to_nan = ToFPBits::build_quiet_nan(1);
-
- const StorageType min_subnormal = FPBits::MIN_SUBNORMAL;
- const StorageType max_subnormal = FPBits::MAX_SUBNORMAL;
- const StorageType min_normal = FPBits::MIN_NORMAL;
- const StorageType max_normal = FPBits::MAX_NORMAL;
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
+
+ const long double to_zero = ToFPBits::zero().get_val();
+ const long double to_neg_zero = ToFPBits::zero(Sign::NEG).get_val();
+ const long double to_nan = ToFPBits::build_quiet_nan(Sign::POS, 1).get_val();
+
+ static constexpr StorageType min_subnormal =
+ FPBits::min_subnormal().uintval();
+ static constexpr StorageType max_subnormal =
+ FPBits::max_subnormal().uintval();
+ static constexpr StorageType min_normal = FPBits::min_normal().uintval();
+ static constexpr StorageType max_normal = FPBits::max_normal().uintval();
public:
typedef T (*NextTowardFunc)(T, long double);
diff --git a/libc/test/src/math/smoke/RIntTest.h b/libc/test/src/math/smoke/RIntTest.h
index b242c7e441b69f0..7bbbe5430157038 100644
--- a/libc/test/src/math/smoke/RIntTest.h
+++ b/libc/test/src/math/smoke/RIntTest.h
@@ -35,7 +35,7 @@ class RIntTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
public:
void testSpecialNumbers(RIntFunc func) {
diff --git a/libc/test/src/math/smoke/RemQuoTest.h b/libc/test/src/math/smoke/RemQuoTest.h
index 93e20747e52638c..5f5cbd4964a62fa 100644
--- a/libc/test/src/math/smoke/RemQuoTest.h
+++ b/libc/test/src/math/smoke/RemQuoTest.h
@@ -25,7 +25,7 @@ class RemQuoTestTemplate : public LIBC_NAMESPACE::testing::Test {
const T neg_inf = T(FPBits::inf(Sign::NEG));
const T zero = T(FPBits::zero(Sign::POS));
const T neg_zero = T(FPBits::zero(Sign::NEG));
- const T nan = T(FPBits::build_quiet_nan(1));
+ const T nan = T(FPBits::build_quiet_nan(Sign::POS, 1));
public:
typedef T (*RemQuoFunc)(T, T, int *);
diff --git a/libc/test/src/math/smoke/RoundToIntegerTest.h b/libc/test/src/math/smoke/RoundToIntegerTest.h
index 2703b78f00e0f1f..77c65aa492e22de 100644
--- a/libc/test/src/math/smoke/RoundToIntegerTest.h
+++ b/libc/test/src/math/smoke/RoundToIntegerTest.h
@@ -30,11 +30,17 @@ class RoundToIntegerTestTemplate : public LIBC_NAMESPACE::testing::Test {
using StorageType = typename FPBits::StorageType;
using Sign = LIBC_NAMESPACE::fputil::Sign;
- const F zero = F(LIBC_NAMESPACE::fputil::FPBits<F>::zero(Sign::POS));
- const F neg_zero = F(LIBC_NAMESPACE::fputil::FPBits<F>::zero(Sign::NEG));
- const F inf = F(LIBC_NAMESPACE::fputil::FPBits<F>::inf(Sign::POS));
- const F neg_inf = F(LIBC_NAMESPACE::fputil::FPBits<F>::inf(Sign::NEG));
- const F nan = F(LIBC_NAMESPACE::fputil::FPBits<F>::build_quiet_nan(1));
+ const F zero = F(FPBits::zero(Sign::POS));
+ const F neg_zero = F(FPBits::zero(Sign::NEG));
+ const F inf = F(FPBits::inf(Sign::POS));
+ const F neg_inf = F(FPBits::inf(Sign::NEG));
+ const F nan = F(FPBits::build_quiet_nan(Sign::POS, 1));
+
+ static constexpr StorageType MAX_SUBNORMAL =
+ FPBits::max_subnormal().uintval();
+ static constexpr StorageType MIN_SUBNORMAL =
+ FPBits::min_subnormal().uintval();
+
static constexpr I INTEGER_MIN = I(1) << (sizeof(I) * 8 - 1);
static constexpr I INTEGER_MAX = -(INTEGER_MIN + 1);
@@ -111,10 +117,8 @@ class RoundToIntegerTestTemplate : public LIBC_NAMESPACE::testing::Test {
void testSubnormalRange(RoundToIntegerFunc func) {
constexpr StorageType COUNT = 1'000'001;
- constexpr StorageType STEP =
- (FPBits::MAX_SUBNORMAL - FPBits::MIN_SUBNORMAL) / COUNT;
- for (StorageType i = FPBits::MIN_SUBNORMAL; i <= FPBits::MAX_SUBNORMAL;
- i += STEP) {
+ constexpr StorageType STEP = (MAX_SUBNORMAL - MIN_SUBNORMAL) / COUNT;
+ for (StorageType i = MIN_SUBNORMAL; i <= MAX_SUBNORMAL; i += STEP) {
F x = F(FPBits(i));
if (x == F(0.0))
continue;
diff --git a/libc/test/src/stdio/sprintf_test.cpp b/libc/test/src/stdio/sprintf_test.cpp
index 344853beaf9fa7b..b22378b22ab12c6 100644
--- a/libc/test/src/stdio/sprintf_test.cpp
+++ b/libc/test/src/stdio/sprintf_test.cpp
@@ -585,8 +585,10 @@ TEST(LlvmLibcSPrintfTest, OctConv) {
TEST_F(LlvmLibcSPrintfTest, FloatHexExpConv) {
ForceRoundingMode r(RoundingMode::Nearest);
- double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf();
- double nan = LIBC_NAMESPACE::fputil::FPBits<double>::build_nan(1);
+ double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf().get_val();
+ double nan = LIBC_NAMESPACE::fputil::FPBits<double>::build_nan(
+ LIBC_NAMESPACE::fputil::Sign::POS, 1)
+ .get_val();
written = LIBC_NAMESPACE::sprintf(buff, "%a", 1.0);
ASSERT_STREQ_LEN(written, buff, "0x1p+0");
@@ -949,11 +951,15 @@ TEST_F(LlvmLibcSPrintfTest, FloatHexExpConv) {
TEST_F(LlvmLibcSPrintfTest, FloatDecimalConv) {
ForceRoundingMode r(RoundingMode::Nearest);
- double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf();
- double nan = LIBC_NAMESPACE::fputil::FPBits<double>::build_nan(1);
- long double ld_inf = LIBC_NAMESPACE::fputil::FPBits<long double>::inf();
- long double ld_nan =
- LIBC_NAMESPACE::fputil::FPBits<long double>::build_nan(1);
+ double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf().get_val();
+ double nan = LIBC_NAMESPACE::fputil::FPBits<double>::build_nan(
+ LIBC_NAMESPACE::fputil::Sign::POS, 1)
+ .get_val();
+ long double ld_inf =
+ LIBC_NAMESPACE::fputil::FPBits<long double>::inf().get_val();
+ long double ld_nan = LIBC_NAMESPACE::fputil::FPBits<long double>::build_nan(
+ LIBC_NAMESPACE::fputil::Sign::POS, 1)
+ .get_val();
char big_buff[10000]; // Used for long doubles and other extremely wide
// numbers.
@@ -1790,8 +1796,10 @@ TEST_F(LlvmLibcSPrintfTest, FloatDecimalConv) {
TEST_F(LlvmLibcSPrintfTest, FloatExponentConv) {
ForceRoundingMode r(RoundingMode::Nearest);
- double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf();
- double nan = LIBC_NAMESPACE::fputil::FPBits<double>::build_nan(1);
+ double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf().get_val();
+ double nan = LIBC_NAMESPACE::fputil::FPBits<double>::build_nan(
+ LIBC_NAMESPACE::fputil::Sign::POS, 1)
+ .get_val();
written = LIBC_NAMESPACE::sprintf(buff, "%e", 1.0);
ASSERT_STREQ_LEN(written, buff, "1.000000e+00");
@@ -2422,8 +2430,10 @@ TEST_F(LlvmLibcSPrintfTest, FloatExponentConv) {
TEST_F(LlvmLibcSPrintfTest, FloatAutoConv) {
ForceRoundingMode r(RoundingMode::Nearest);
- double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf();
- double nan = LIBC_NAMESPACE::fputil::FPBits<double>::build_nan(1);
+ double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf().get_val();
+ double nan = LIBC_NAMESPACE::fputil::FPBits<double>::build_nan(
+ LIBC_NAMESPACE::fputil::Sign::POS, 1)
+ .get_val();
written = LIBC_NAMESPACE::sprintf(buff, "%g", 1.0);
ASSERT_STREQ_LEN(written, buff, "1");
diff --git a/libc/test/src/stdio/sscanf_test.cpp b/libc/test/src/stdio/sscanf_test.cpp
index db3c48cdbf7a2d5..db67c25029133c1 100644
--- a/libc/test/src/stdio/sscanf_test.cpp
+++ b/libc/test/src/stdio/sscanf_test.cpp
@@ -230,8 +230,10 @@ TEST(LlvmLibcSScanfTest, FloatConvSimple) {
int ret_val;
float result = 0;
- float inf = LIBC_NAMESPACE::fputil::FPBits<float>::inf();
- float nan = LIBC_NAMESPACE::fputil::FPBits<float>::build_nan(1);
+ float inf = LIBC_NAMESPACE::fputil::FPBits<float>::inf().get_val();
+ float nan = LIBC_NAMESPACE::fputil::FPBits<float>::build_nan(
+ LIBC_NAMESPACE::fputil::Sign::POS, 1)
+ .get_val();
ret_val = LIBC_NAMESPACE::sscanf("123", "%f", &result);
EXPECT_EQ(ret_val, 1);
@@ -294,9 +296,10 @@ TEST(LlvmLibcSScanfTest, FloatConvLengthModifier) {
double d_result = 0;
long double ld_result = 0;
- double d_inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf();
- long double ld_nan =
- LIBC_NAMESPACE::fputil::FPBits<long double>::build_nan(1);
+ double d_inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf().get_val();
+ long double ld_nan = LIBC_NAMESPACE::fputil::FPBits<long double>::build_nan(
+ LIBC_NAMESPACE::fputil::Sign::POS, 1)
+ .get_val();
ret_val = LIBC_NAMESPACE::sscanf("123", "%lf", &d_result);
EXPECT_EQ(ret_val, 1);
@@ -391,8 +394,10 @@ TEST(LlvmLibcSScanfTest, FloatConvComplexParsing) {
int ret_val;
float result = 0;
- float inf = LIBC_NAMESPACE::fputil::FPBits<float>::inf();
- float nan = LIBC_NAMESPACE::fputil::FPBits<float>::build_nan(1);
+ float inf = LIBC_NAMESPACE::fputil::FPBits<float>::inf().get_val();
+ float nan = LIBC_NAMESPACE::fputil::FPBits<float>::build_nan(
+ LIBC_NAMESPACE::fputil::Sign::POS, 1)
+ .get_val();
ret_val = LIBC_NAMESPACE::sscanf("0x1.0e3", "%f", &result);
EXPECT_EQ(ret_val, 1);
@@ -463,7 +468,7 @@ TEST(LlvmLibcSScanfTest, FloatConvMaxWidth) {
int ret_val;
float result = 0;
- float inf = LIBC_NAMESPACE::fputil::FPBits<float>::inf();
+ float inf = LIBC_NAMESPACE::fputil::FPBits<float>::inf().get_val();
ret_val = LIBC_NAMESPACE::sscanf("123", "%3f", &result);
EXPECT_EQ(ret_val, 1);
diff --git a/libc/utils/MPFRWrapper/MPFRUtils.cpp b/libc/utils/MPFRWrapper/MPFRUtils.cpp
index b6ca525db6cf742..06a231c7d94d059 100644
--- a/libc/utils/MPFRWrapper/MPFRUtils.cpp
+++ b/libc/utils/MPFRWrapper/MPFRUtils.cpp
@@ -49,7 +49,7 @@ template <> struct ExtraPrecision<long double> {
template <typename T>
static inline unsigned int get_precision(double ulp_tolerance) {
if (ulp_tolerance <= 0.5) {
- return LIBC_NAMESPACE::fputil::FPBits<T>::MANTISSA_PRECISION;
+ return LIBC_NAMESPACE::fputil::FPBits<T>::FRACTION_LEN + 1;
} else {
return ExtraPrecision<T>::VALUE;
}
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