[libc-commits] [libc] [libc][math][c23] Add {totalorder, totalordermag}f16 C23 math functions (PR #95014)
via libc-commits
libc-commits at lists.llvm.org
Mon Jun 10 10:35:44 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-libc
Author: OverMighty (overmighty)
<details>
<summary>Changes</summary>
Part of #<!-- -->93566.
---
Patch is 27.32 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/95014.diff
19 Files Affected:
- (modified) libc/config/linux/aarch64/entrypoints.txt (+2)
- (modified) libc/config/linux/x86_64/entrypoints.txt (+2)
- (modified) libc/docs/c23.rst (+2-2)
- (modified) libc/docs/math/index.rst (+4)
- (modified) libc/spec/stdc.td (+4)
- (modified) libc/src/__support/FPUtil/BasicOperations.h (+51)
- (modified) libc/src/__support/FPUtil/FPBits.h (+4)
- (modified) libc/src/math/CMakeLists.txt (+4)
- (modified) libc/src/math/generic/CMakeLists.txt (+24)
- (added) libc/src/math/generic/totalorderf16.cpp (+19)
- (added) libc/src/math/generic/totalordermagf16.cpp (+20)
- (added) libc/src/math/totalorderf16.h (+20)
- (added) libc/src/math/totalordermagf16.h (+20)
- (modified) libc/test/UnitTest/FPMatcher.h (+4-2)
- (modified) libc/test/src/math/smoke/CMakeLists.txt (+24)
- (added) libc/test/src/math/smoke/TotalOrderMagTest.h (+143)
- (added) libc/test/src/math/smoke/TotalOrderTest.h (+139)
- (added) libc/test/src/math/smoke/totalorderf16_test.cpp (+13)
- (added) libc/test/src/math/smoke/totalordermagf16_test.cpp (+13)
``````````diff
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index 8863749e12c6d..dba4835afb745 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -539,6 +539,8 @@ if(LIBC_TYPES_HAS_FLOAT16)
libc.src.math.rintf16
libc.src.math.roundf16
libc.src.math.roundevenf16
+ libc.src.math.totalorderf16
+ libc.src.math.totalordermagf16
libc.src.math.truncf16
libc.src.math.ufromfpf16
libc.src.math.ufromfpxf16
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index 31ad0bc412836..90505738d624d 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -569,6 +569,8 @@ if(LIBC_TYPES_HAS_FLOAT16)
libc.src.math.rintf16
libc.src.math.roundf16
libc.src.math.roundevenf16
+ libc.src.math.totalorderf16
+ libc.src.math.totalordermagf16
libc.src.math.truncf16
libc.src.math.ufromfpf16
libc.src.math.ufromfpxf16
diff --git a/libc/docs/c23.rst b/libc/docs/c23.rst
index fec9b24bbd581..4134befd1ed35 100644
--- a/libc/docs/c23.rst
+++ b/libc/docs/c23.rst
@@ -42,8 +42,8 @@ Additions:
* rsqrt*
* __STDC_IEC_60559_DFP__ functions (_Decimal32, _Decimal64, _Decimal128)
* compoundn*
- * totalorder*
- * totalordermag*
+ * totalorder* |check|
+ * totalordermag* |check|
* getpayload*
* setpayload*
* iscannonical
diff --git a/libc/docs/math/index.rst b/libc/docs/math/index.rst
index 3e122fb8bc26e..953bdd8b642ad 100644
--- a/libc/docs/math/index.rst
+++ b/libc/docs/math/index.rst
@@ -210,6 +210,10 @@ Basic Operations
+------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
| scalbn | |check| | |check| | |check| | | |check| | 7.12.6.19 | F.10.3.19 |
+------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| totalorder | | | | |check| | | F.10.12.1 | N/A |
++------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
+| totalordermag | | | | |check| | | F.10.12.2 | N/A |
++------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
| trunc | |check| | |check| | |check| | |check| | |check| | 7.12.9.9 | F.10.6.9 |
+------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
| ufromfp | |check| | |check| | |check| | |check| | |check| | 7.12.9.10 | F.10.6.10 |
diff --git a/libc/spec/stdc.td b/libc/spec/stdc.td
index b5b6dbc481bd7..b1b02a8e1ed31 100644
--- a/libc/spec/stdc.td
+++ b/libc/spec/stdc.td
@@ -708,6 +708,10 @@ def StdC : StandardSpec<"stdc"> {
FunctionSpec<"canonicalizel", RetValSpec<IntType>, [ArgSpec<LongDoubleType>, ArgSpec<LongDoubleType>]>,
GuardedFunctionSpec<"canonicalizef16", RetValSpec<IntType>, [ArgSpec<Float16Type>, ArgSpec<Float16Type>], "LIBC_TYPES_HAS_FLOAT16">,
GuardedFunctionSpec<"canonicalizef128", RetValSpec<IntType>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
+
+ GuardedFunctionSpec<"totalorderf16", RetValSpec<IntType>, [ArgSpec<Float16Ptr>, ArgSpec<Float16Ptr>], "LIBC_TYPES_HAS_FLOAT16">,
+
+ GuardedFunctionSpec<"totalordermagf16", RetValSpec<IntType>, [ArgSpec<Float16Ptr>, ArgSpec<Float16Ptr>], "LIBC_TYPES_HAS_FLOAT16">,
]
>;
diff --git a/libc/src/__support/FPUtil/BasicOperations.h b/libc/src/__support/FPUtil/BasicOperations.h
index e5ac101fedc0e..168b3d308f0ee 100644
--- a/libc/src/__support/FPUtil/BasicOperations.h
+++ b/libc/src/__support/FPUtil/BasicOperations.h
@@ -240,6 +240,57 @@ LIBC_INLINE int canonicalize(T &cx, const T &x) {
return 0;
}
+template <typename T>
+LIBC_INLINE cpp::enable_if_t<cpp::is_floating_point_v<T>, bool>
+totalorder(const T *x, const T *y) {
+ using FPBits = FPBits<T>;
+ FPBits xbits(*x);
+ FPBits ybits(*y);
+
+ if (LIBC_UNLIKELY(xbits.is_zero() && ybits.is_zero() || xbits.is_nan() ||
+ ybits.is_nan())) {
+ // totalOrder(−0, +0) is true. totalOrder(+0, -0) is false.
+ if (xbits.is_zero() && ybits.is_zero()) {
+ Sign xsign = xbits.sign();
+ Sign ysign = ybits.sign();
+ return (xsign == Sign::NEG && ysign == Sign::POS) || xsign == ysign;
+ }
+
+ // totalOrder(−NaN, y) is true. totalOrder(+NaN, y) is false.
+ if (!ybits.is_nan())
+ return xbits.is_neg();
+ // totalOrder(x, +NaN) is true. totalOrder(x, -NaN) is false.
+ if (!xbits.is_nan())
+ return ybits.is_pos();
+
+ // Negative sign orders below positive sign.
+ if (xbits.is_neg() && ybits.is_pos())
+ return true;
+ if (xbits.is_pos() && ybits.is_neg())
+ return false;
+
+ // Signaling orders below quiet for +NaN, reverse for −NaN.
+ if (xbits.is_quiet_nan() && ybits.is_signaling_nan())
+ return xbits.is_neg();
+ if (xbits.is_signaling_nan() && ybits.is_quiet_nan())
+ return ybits.is_pos();
+
+ // Otherwise, the order of NaNs is implementation-defined (IEEE 754-2019).
+ // We order by payload.
+ return xbits.get_nan_payload() <= ybits.get_nan_payload();
+ }
+
+ return xbits.get_val() <= ybits.get_val();
+}
+
+template <typename T>
+LIBC_INLINE cpp::enable_if_t<cpp::is_floating_point_v<T>, bool>
+totalordermag(const T *x, const T *y) {
+ T abs_x = abs(*x);
+ T abs_y = abs(*y);
+ return totalorder(&abs_x, &abs_y);
+}
+
} // namespace fputil
} // namespace LIBC_NAMESPACE
diff --git a/libc/src/__support/FPUtil/FPBits.h b/libc/src/__support/FPUtil/FPBits.h
index 559ecde767c30..f424e11ec9fd1 100644
--- a/libc/src/__support/FPUtil/FPBits.h
+++ b/libc/src/__support/FPUtil/FPBits.h
@@ -708,6 +708,10 @@ struct FPRepImpl : public FPRepSem<fp_type, RetT> {
LIBC_INLINE constexpr void set_significand(StorageType sigVal) {
bits = UP::merge(bits, sigVal, SIG_MASK);
}
+
+ LIBC_INLINE constexpr StorageType get_nan_payload() const {
+ return bits & (FRACTION_MASK >> 1);
+ }
// Unsafe function to create a floating point representation.
// It simply packs the sign, biased exponent and mantissa values without
// checking bound nor normalization.
diff --git a/libc/src/math/CMakeLists.txt b/libc/src/math/CMakeLists.txt
index f8582d8d42683..3c1a5c86f6b48 100644
--- a/libc/src/math/CMakeLists.txt
+++ b/libc/src/math/CMakeLists.txt
@@ -367,6 +367,10 @@ add_math_entrypoint_object(tanhf)
add_math_entrypoint_object(tgamma)
add_math_entrypoint_object(tgammaf)
+add_math_entrypoint_object(totalorderf16)
+
+add_math_entrypoint_object(totalordermagf16)
+
add_math_entrypoint_object(trunc)
add_math_entrypoint_object(truncf)
add_math_entrypoint_object(truncl)
diff --git a/libc/src/math/generic/CMakeLists.txt b/libc/src/math/generic/CMakeLists.txt
index caaa0ac23dc7a..a13cadc8acd0c 100644
--- a/libc/src/math/generic/CMakeLists.txt
+++ b/libc/src/math/generic/CMakeLists.txt
@@ -3551,3 +3551,27 @@ add_entrypoint_object(
COMPILE_OPTIONS
-O3
)
+
+add_entrypoint_object(
+ totalorderf16
+ SRCS
+ totalorderf16.cpp
+ HDRS
+ ../totalorderf16.h
+ DEPENDS
+ libc.src.__support.FPUtil.basic_operations
+ COMPILE_OPTIONS
+ -O3
+)
+
+add_entrypoint_object(
+ totalordermagf16
+ SRCS
+ totalordermagf16.cpp
+ HDRS
+ ../totalordermagf16.h
+ DEPENDS
+ libc.src.__support.FPUtil.basic_operations
+ COMPILE_OPTIONS
+ -O3
+)
diff --git a/libc/src/math/generic/totalorderf16.cpp b/libc/src/math/generic/totalorderf16.cpp
new file mode 100644
index 0000000000000..b64f1eeaf3ddf
--- /dev/null
+++ b/libc/src/math/generic/totalorderf16.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of totalorderf16 function --------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/totalorderf16.h"
+#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/common.h"
+
+namespace LIBC_NAMESPACE {
+
+LLVM_LIBC_FUNCTION(int, totalorderf16, (const float16 *x, const float16 *y)) {
+ return static_cast<int>(fputil::totalorder(x, y));
+}
+
+} // namespace LIBC_NAMESPACE
diff --git a/libc/src/math/generic/totalordermagf16.cpp b/libc/src/math/generic/totalordermagf16.cpp
new file mode 100644
index 0000000000000..868e155bac32b
--- /dev/null
+++ b/libc/src/math/generic/totalordermagf16.cpp
@@ -0,0 +1,20 @@
+//===-- Implementation of totalordermagf16 function -----------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/totalordermagf16.h"
+#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/common.h"
+
+namespace LIBC_NAMESPACE {
+
+LLVM_LIBC_FUNCTION(int, totalordermagf16,
+ (const float16 *x, const float16 *y)) {
+ return static_cast<int>(fputil::totalordermag(x, y));
+}
+
+} // namespace LIBC_NAMESPACE
diff --git a/libc/src/math/totalorderf16.h b/libc/src/math/totalorderf16.h
new file mode 100644
index 0000000000000..f5390140c4dc2
--- /dev/null
+++ b/libc/src/math/totalorderf16.h
@@ -0,0 +1,20 @@
+//===-- Implementation header for totalorderf16 -----------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_TOTALORDERF16_H
+#define LLVM_LIBC_SRC_MATH_TOTALORDERF16_H
+
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE {
+
+int totalorderf16(const float16 *x, const float16 *y);
+
+} // namespace LIBC_NAMESPACE
+
+#endif // LLVM_LIBC_SRC_MATH_TOTALORDERF16_H
diff --git a/libc/src/math/totalordermagf16.h b/libc/src/math/totalordermagf16.h
new file mode 100644
index 0000000000000..8c6621b9783df
--- /dev/null
+++ b/libc/src/math/totalordermagf16.h
@@ -0,0 +1,20 @@
+//===-- Implementation header for totalordermagf16 --------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_TOTALORDERMAGF16_H
+#define LLVM_LIBC_SRC_MATH_TOTALORDERMAGF16_H
+
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE {
+
+int totalordermagf16(const float16 *x, const float16 *y);
+
+} // namespace LIBC_NAMESPACE
+
+#endif // LLVM_LIBC_SRC_MATH_TOTALORDERMAGF16_H
diff --git a/libc/test/UnitTest/FPMatcher.h b/libc/test/UnitTest/FPMatcher.h
index 26af5cec02b58..86b823260e197 100644
--- a/libc/test/UnitTest/FPMatcher.h
+++ b/libc/test/UnitTest/FPMatcher.h
@@ -97,8 +97,10 @@ template <typename T> struct FPTest : public Test {
LIBC_NAMESPACE::cpp::numeric_limits<StorageType>::max(); \
const T zero = FPBits::zero(Sign::POS).get_val(); \
const T neg_zero = FPBits::zero(Sign::NEG).get_val(); \
- const T aNaN = FPBits::quiet_nan().get_val(); \
- const T sNaN = FPBits::signaling_nan().get_val(); \
+ const T aNaN = FPBits::quiet_nan(Sign::POS).get_val(); \
+ const T neg_aNaN = FPBits::quiet_nan(Sign::NEG).get_val(); \
+ const T sNaN = FPBits::signaling_nan(Sign::POS).get_val(); \
+ const T neg_sNaN = FPBits::signaling_nan(Sign::NEG).get_val(); \
const T inf = FPBits::inf(Sign::POS).get_val(); \
const T neg_inf = FPBits::inf(Sign::NEG).get_val(); \
const T min_normal = FPBits::min_normal().get_val(); \
diff --git a/libc/test/src/math/smoke/CMakeLists.txt b/libc/test/src/math/smoke/CMakeLists.txt
index 84aa76c0a0881..706e23518ed58 100644
--- a/libc/test/src/math/smoke/CMakeLists.txt
+++ b/libc/test/src/math/smoke/CMakeLists.txt
@@ -3509,3 +3509,27 @@ add_fp_unittest(
libc.src.math.powf
libc.src.__support.FPUtil.fp_bits
)
+
+add_fp_unittest(
+ totalorderf16_test
+ SUITE
+ libc-math-smoke-tests
+ SRCS
+ totalorderf16_test.cpp
+ HDRS
+ TotalOrderTest.h
+ DEPENDS
+ libc.src.math.totalorderf16
+)
+
+add_fp_unittest(
+ totalordermagf16_test
+ SUITE
+ libc-math-smoke-tests
+ SRCS
+ totalordermagf16_test.cpp
+ HDRS
+ TotalOrderMagTest.h
+ DEPENDS
+ libc.src.math.totalordermagf16
+)
diff --git a/libc/test/src/math/smoke/TotalOrderMagTest.h b/libc/test/src/math/smoke/TotalOrderMagTest.h
new file mode 100644
index 0000000000000..013a7fc92f9b1
--- /dev/null
+++ b/libc/test/src/math/smoke/TotalOrderMagTest.h
@@ -0,0 +1,143 @@
+//===-- Utility class to test flavors of totalordermag ----------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LIBC_TEST_SRC_MATH_SMOKE_TOTALORDERMAGTEST_H
+#define LIBC_TEST_SRC_MATH_SMOKE_TOTALORDERMAGTEST_H
+
+#include "test/UnitTest/FEnvSafeTest.h"
+#include "test/UnitTest/FPMatcher.h"
+#include "test/UnitTest/Test.h"
+
+template <typename T>
+class TotalOrderMagTestTemplate : public LIBC_NAMESPACE::testing::FEnvSafeTest {
+
+ DECLARE_SPECIAL_CONSTANTS(T)
+
+public:
+ typedef int (*TotalOrderMagFunc)(const T *, const T *);
+
+ bool funcWrapper(TotalOrderMagFunc func, T x, T y) {
+ return func(&x, &y) != 0;
+ }
+
+ void testXLesserThanY(TotalOrderMagFunc func) {
+ EXPECT_TRUE(funcWrapper(func, neg_inf, inf));
+
+ EXPECT_TRUE(funcWrapper(func, T(0.0), T(0.1)));
+ EXPECT_TRUE(funcWrapper(func, T(0.0), T(123.38)));
+
+ EXPECT_FALSE(funcWrapper(func, T(-0.1), T(0.0)));
+ EXPECT_FALSE(funcWrapper(func, T(-123.38), T(0.0)));
+
+ EXPECT_TRUE(funcWrapper(func, T(-0.1), T(0.1)));
+ EXPECT_TRUE(funcWrapper(func, T(-123.38), T(123.38)));
+ }
+
+ void testXGreaterThanY(TotalOrderMagFunc func) {
+ EXPECT_TRUE(funcWrapper(func, inf, neg_inf));
+
+ EXPECT_TRUE(funcWrapper(func, T(0.0), T(-0.1)));
+ EXPECT_TRUE(funcWrapper(func, T(0.0), T(-123.38)));
+
+ EXPECT_FALSE(funcWrapper(func, T(0.1), T(0.0)));
+ EXPECT_FALSE(funcWrapper(func, T(123.38), T(0.0)));
+
+ EXPECT_TRUE(funcWrapper(func, T(0.1), T(-0.1)));
+ EXPECT_TRUE(funcWrapper(func, T(123.38), T(-123.38)));
+ }
+
+ void testXEqualToY(TotalOrderMagFunc func) {
+ EXPECT_TRUE(funcWrapper(func, inf, inf));
+ EXPECT_TRUE(funcWrapper(func, neg_inf, neg_inf));
+
+ EXPECT_TRUE(funcWrapper(func, T(-0.0), T(0.0)));
+ EXPECT_TRUE(funcWrapper(func, T(0.0), T(-0.0)));
+
+ EXPECT_TRUE(funcWrapper(func, T(0.0), T(0.0)));
+ EXPECT_TRUE(funcWrapper(func, T(-0.0), T(-0.0)));
+ EXPECT_TRUE(funcWrapper(func, T(0.1), T(0.1)));
+ EXPECT_TRUE(funcWrapper(func, T(-0.1), T(-0.1)));
+ EXPECT_TRUE(funcWrapper(func, T(123.38), T(123.38)));
+ EXPECT_TRUE(funcWrapper(func, T(-123.38), T(-123.38)));
+ }
+
+ void testSingleNaN(TotalOrderMagFunc func) {
+ EXPECT_FALSE(funcWrapper(func, neg_aNaN, T(0.0)));
+ EXPECT_FALSE(funcWrapper(func, neg_aNaN, T(0.1)));
+ EXPECT_FALSE(funcWrapper(func, neg_aNaN, T(123.38)));
+
+ EXPECT_TRUE(funcWrapper(func, T(0.0), neg_aNaN));
+ EXPECT_TRUE(funcWrapper(func, T(0.1), neg_aNaN));
+ EXPECT_TRUE(funcWrapper(func, T(123.38), neg_aNaN));
+
+ EXPECT_TRUE(funcWrapper(func, T(0.0), aNaN));
+ EXPECT_TRUE(funcWrapper(func, T(0.1), aNaN));
+ EXPECT_TRUE(funcWrapper(func, T(123.38), aNaN));
+
+ EXPECT_FALSE(funcWrapper(func, aNaN, T(0.0)));
+ EXPECT_FALSE(funcWrapper(func, aNaN, T(0.1)));
+ EXPECT_FALSE(funcWrapper(func, aNaN, T(123.38)));
+ }
+
+ void testNaNSigns(TotalOrderMagFunc func) {
+ EXPECT_TRUE(funcWrapper(func, neg_aNaN, aNaN));
+ EXPECT_FALSE(funcWrapper(func, neg_aNaN, sNaN));
+ EXPECT_TRUE(funcWrapper(func, neg_sNaN, aNaN));
+ EXPECT_TRUE(funcWrapper(func, neg_sNaN, sNaN));
+
+ EXPECT_TRUE(funcWrapper(func, aNaN, neg_aNaN));
+ EXPECT_FALSE(funcWrapper(func, aNaN, neg_sNaN));
+ EXPECT_TRUE(funcWrapper(func, sNaN, neg_aNaN));
+ EXPECT_TRUE(funcWrapper(func, sNaN, neg_sNaN));
+ }
+
+ void testQuietVsSignalingNaN(TotalOrderMagFunc func) {
+ EXPECT_FALSE(funcWrapper(func, neg_aNaN, neg_sNaN));
+ EXPECT_TRUE(funcWrapper(func, neg_sNaN, neg_aNaN));
+ EXPECT_TRUE(funcWrapper(func, sNaN, aNaN));
+ EXPECT_FALSE(funcWrapper(func, aNaN, sNaN));
+ }
+
+ void testNaNPayloads(TotalOrderMagFunc func) {
+ T qnan_123 = FPBits::quiet_nan(Sign::POS, 0x123).get_val();
+ T neg_qnan_123 = FPBits::quiet_nan(Sign::NEG, 0x123).get_val();
+ T snan_123 = FPBits::signaling_nan(Sign::POS, 0x123).get_val();
+ T neg_snan_123 = FPBits::signaling_nan(Sign::NEG, 0x123).get_val();
+
+ EXPECT_TRUE(funcWrapper(func, aNaN, aNaN));
+ EXPECT_TRUE(funcWrapper(func, neg_aNaN, neg_aNaN));
+ EXPECT_TRUE(funcWrapper(func, sNaN, sNaN));
+ EXPECT_TRUE(funcWrapper(func, neg_sNaN, neg_sNaN));
+
+ EXPECT_TRUE(funcWrapper(func, aNaN, qnan_123));
+ EXPECT_TRUE(funcWrapper(func, neg_aNaN, neg_qnan_123));
+ EXPECT_TRUE(funcWrapper(func, sNaN, snan_123));
+ EXPECT_TRUE(funcWrapper(func, neg_sNaN, neg_snan_123));
+
+ EXPECT_FALSE(funcWrapper(func, qnan_123, aNaN));
+ EXPECT_FALSE(funcWrapper(func, neg_qnan_123, neg_aNaN));
+ EXPECT_FALSE(funcWrapper(func, snan_123, sNaN));
+ EXPECT_FALSE(funcWrapper(func, neg_snan_123, neg_sNaN));
+ }
+};
+
+#define LIST_TOTALORDERMAG_TESTS(T, func) \
+ using LlvmLibcTotalOrderMagTest = TotalOrderMagTestTemplate<T>; \
+ TEST_F(LlvmLibcTotalOrderMagTest, XLesserThanY) { testXLesserThanY(&func); } \
+ TEST_F(LlvmLibcTotalOrderMagTest, XGreaterThanY) { \
+ testXGreaterThanY(&func); \
+ } \
+ TEST_F(LlvmLibcTotalOrderMagTest, XEqualToY) { testXEqualToY(&func); } \
+ TEST_F(LlvmLibcTotalOrderMagTest, SingleNaN) { testSingleNaN(&func); } \
+ TEST_F(LlvmLibcTotalOrderMagTest, NaNSigns) { testNaNSigns(&func); } \
+ TEST_F(LlvmLibcTotalOrderMagTest, QuietVsSignalingNaN) { \
+ testQuietVsSignalingNaN(&func); \
+ } \
+ TEST_F(LlvmLibcTotalOrderMagTest, NaNPayloads) { testNaNPayloads(&func); }
+
+#endif // LIBC_TEST_SRC_MATH_SMOKE_TOTALORDERMAGTEST_H
diff --git a/libc/test/src/math/smoke/TotalOrderTest.h b/libc/test/src/math/smoke/TotalOrderTest.h
n...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/95014
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