[llvm-branch-commits] [libc] [llvm] [libc][math] Refactor asinhf16 implementation to header-only in src/__support/math folder. (PR #150849)
Muhammad Bassiouni via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Sun Jul 27 14:03:12 PDT 2025
https://github.com/bassiounix updated https://github.com/llvm/llvm-project/pull/150849
>From 7be3b70ef8d3c8f39006dbee302fe5291491cb77 Mon Sep 17 00:00:00 2001
From: bassiounix <muhammad.m.bassiouni at gmail.com>
Date: Sun, 27 Jul 2025 22:21:00 +0300
Subject: [PATCH 1/2] [libc][math] Refactor asinhf16 implementation to
header-only in src/__support/math folder.
---
libc/shared/math.h | 1 +
libc/shared/math/asinf16.h | 2 +-
libc/shared/math/asinhf16.h | 28 ++++
libc/src/__support/math/CMakeLists.txt | 18 +++
libc/src/__support/math/asinhf16.h | 123 ++++++++++++++++++
libc/src/math/generic/CMakeLists.txt | 13 +-
libc/src/math/generic/asinhf16.cpp | 96 +-------------
libc/test/shared/CMakeLists.txt | 1 +
libc/test/shared/shared_math_test.cpp | 1 +
.../llvm-project-overlay/libc/BUILD.bazel | 25 ++++
10 files changed, 201 insertions(+), 107 deletions(-)
create mode 100644 libc/shared/math/asinhf16.h
create mode 100644 libc/src/__support/math/asinhf16.h
diff --git a/libc/shared/math.h b/libc/shared/math.h
index e0f00f52e9dc3..26e33ecd45d73 100644
--- a/libc/shared/math.h
+++ b/libc/shared/math.h
@@ -21,6 +21,7 @@
#include "math/asinf.h"
#include "math/asinf16.h"
#include "math/asinhf.h"
+#include "math/asinhf16.h"
#include "math/erff.h"
#include "math/exp.h"
#include "math/exp10.h"
diff --git a/libc/shared/math/asinf16.h b/libc/shared/math/asinf16.h
index d545e269a6402..af5b2ec179233 100644
--- a/libc/shared/math/asinf16.h
+++ b/libc/shared/math/asinf16.h
@@ -25,4 +25,4 @@ using math::asinf16;
#endif // LIBC_TYPES_HAS_FLOAT16
-#endif // LLVM_LIBC_SHARED_MATH_ASINF_H
+#endif // LLVM_LIBC_SHARED_MATH_ASINF16_H
diff --git a/libc/shared/math/asinhf16.h b/libc/shared/math/asinhf16.h
new file mode 100644
index 0000000000000..1a0525b6a9b8b
--- /dev/null
+++ b/libc/shared/math/asinhf16.h
@@ -0,0 +1,28 @@
+//===-- Shared asinhf16 function ---------------------------------*- 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_SHARED_MATH_ASINHF16_H
+#define LLVM_LIBC_SHARED_MATH_ASINHF16_H
+
+#include "shared/libc_common.h"
+
+#ifdef LIBC_TYPES_HAS_FLOAT16
+
+#include "src/__support/math/asinhf16.h"
+
+namespace LIBC_NAMESPACE_DECL {
+namespace shared {
+
+using math::asinhf16;
+
+} // namespace shared
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LIBC_TYPES_HAS_FLOAT16
+
+#endif // LLVM_LIBC_SHARED_MATH_ASINHF16_H
diff --git a/libc/src/__support/math/CMakeLists.txt b/libc/src/__support/math/CMakeLists.txt
index 13f46a13fe0d7..be208f946024a 100644
--- a/libc/src/__support/math/CMakeLists.txt
+++ b/libc/src/__support/math/CMakeLists.txt
@@ -154,6 +154,24 @@ add_header_library(
libc.src.__support.macros.optimization
)
+add_header_library(
+ asinhf16
+ HDRS
+ asinhf16.h
+DEPENDS
+ .acoshf_utils
+ libc.src.__support.FPUtil.fenv_impl
+ libc.src.__support.FPUtil.fp_bits
+ libc.src.__support.FPUtil.polyeval
+ libc.src.__support.FPUtil.cast
+ libc.src.__support.FPUtil.except_value_utils
+ libc.src.__support.FPUtil.multiply_add
+ libc.src.__support.FPUtil.rounding_mode
+ libc.src.__support.FPUtil.sqrt
+ libc.src.__support.macros.config
+ libc.src.__support.macros.optimization
+)
+
add_header_library(
asinf
HDRS
diff --git a/libc/src/__support/math/asinhf16.h b/libc/src/__support/math/asinhf16.h
new file mode 100644
index 0000000000000..81657b8db97b0
--- /dev/null
+++ b/libc/src/__support/math/asinhf16.h
@@ -0,0 +1,123 @@
+//===-- Implementation header for asinhf16 ----------------------*- 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___SUPPORT_MATH_ASINHF16_H
+#define LLVM_LIBC_SRC___SUPPORT_MATH_ASINHF16_H
+
+#include "include/llvm-libc-macros/float16-macros.h"
+
+#ifdef LIBC_TYPES_HAS_FLOAT16
+
+#include "acoshf_utils.h"
+#include "src/__support/FPUtil/FEnvImpl.h"
+#include "src/__support/FPUtil/FPBits.h"
+#include "src/__support/FPUtil/PolyEval.h"
+#include "src/__support/FPUtil/cast.h"
+#include "src/__support/FPUtil/except_value_utils.h"
+#include "src/__support/FPUtil/multiply_add.h"
+#include "src/__support/FPUtil/rounding_mode.h"
+#include "src/__support/FPUtil/sqrt.h"
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/optimization.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+namespace math {
+
+LIBC_INLINE static constexpr float16 asinhf16(float16 x) {
+
+#ifndef LIBC_MATH_HAS_SKIP_ACCURATE_PASS
+ constexpr size_t N_EXCEPTS = 8;
+
+ constexpr fputil::ExceptValues<float16, N_EXCEPTS> ASINHF16_EXCEPTS{{
+ // (input, RZ output, RU offset, RD offset, RN offset)
+
+ // x = 0x1.da4p-2, asinhf16(x) = 0x1.ca8p-2 (RZ)
+ {0x3769, 0x372a, 1, 0, 1},
+ // x = 0x1.d6cp-1, asinhf16(x) = 0x1.a58p-1 (RZ)
+ {0x3b5b, 0x3a96, 1, 0, 0},
+ // x = 0x1.c7cp+3, asinhf16(x) = 0x1.accp+1 (RZ)
+ {0x4b1f, 0x42b3, 1, 0, 0},
+ // x = 0x1.26cp+4, asinhf16(x) = 0x1.cd8p+1 (RZ)
+ {0x4c9b, 0x4336, 1, 0, 1},
+ // x = -0x1.da4p-2, asinhf16(x) = -0x1.ca8p-2 (RZ)
+ {0xb769, 0xb72a, 0, 1, 1},
+ // x = -0x1.d6cp-1, asinhf16(x) = -0x1.a58p-1 (RZ)
+ {0xbb5b, 0xba96, 0, 1, 0},
+ // x = -0x1.c7cp+3, asinhf16(x) = -0x1.accp+1 (RZ)
+ {0xcb1f, 0xc2b3, 0, 1, 0},
+ // x = -0x1.26cp+4, asinhf16(x) = -0x1.cd8p+1 (RZ)
+ {0xcc9b, 0xc336, 0, 1, 1},
+}};
+#endif // !LIBC_MATH_HAS_SKIP_ACCURATE_PASS
+
+ using namespace acoshf_internal;
+ using FPBits = fputil::FPBits<float16>;
+ FPBits xbits(x);
+
+ uint16_t x_u = xbits.uintval();
+ uint16_t x_abs = x_u & 0x7fff;
+
+ if (LIBC_UNLIKELY(xbits.is_inf_or_nan())) {
+ if (xbits.is_signaling_nan()) {
+ fputil::raise_except_if_required(FE_INVALID);
+ return FPBits::quiet_nan().get_val();
+ }
+
+ return x;
+ }
+
+#ifndef LIBC_MATH_HAS_SKIP_ACCURATE_PASS
+ // Handle exceptional values
+ if (auto r = ASINHF16_EXCEPTS.lookup(x_u); LIBC_UNLIKELY(r.has_value()))
+ return r.value();
+#endif // !LIBC_MATH_HAS_SKIP_ACCURATE_PASS
+
+ float xf = x;
+ const float SIGN[2] = {1.0f, -1.0f};
+ float x_sign = SIGN[x_u >> 15];
+
+ // |x| <= 0.25
+ if (LIBC_UNLIKELY(x_abs <= 0x3400)) {
+ // when |x| < 0x1.718p-5, asinhf16(x) = x. Adjust by 1 ULP for certain
+ // rounding types.
+ if (LIBC_UNLIKELY(x_abs < 0x29c6)) {
+ int rounding = fputil::quick_get_round();
+ if ((rounding == FE_UPWARD || rounding == FE_TOWARDZERO) && xf < 0)
+ return fputil::cast<float16>(xf + 0x1p-24f);
+ if ((rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO) && xf > 0)
+ return fputil::cast<float16>(xf - 0x1p-24f);
+ return fputil::cast<float16>(xf);
+ }
+
+ float x_sq = xf * xf;
+ // Generated by Sollya with:
+ // > P = fpminimax(asinh(x)/x, [|0, 2, 4, 6, 8|], [|SG...|], [0, 2^-2]);
+ // The last coefficient 0x1.bd114ep-6f has been changed to 0x1.bd114ep-5f
+ // for better accuracy.
+ float p = fputil::polyeval(x_sq, 1.0f, -0x1.555552p-3f, 0x1.332f6ap-4f,
+ -0x1.6c53dep-5f, 0x1.bd114ep-5f);
+
+ return fputil::cast<float16>(xf * p);
+ }
+
+ // General case: asinh(x) = ln(x + sqrt(x^2 + 1))
+ float sqrt_term = fputil::sqrt<float>(fputil::multiply_add(xf, xf, 1.0f));
+ return fputil::cast<float16>(
+ x_sign * log_eval(fputil::multiply_add(xf, x_sign, sqrt_term)));
+
+
+}
+
+} // namespace math
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LIBC_TYPES_HAS_FLOAT16
+
+#endif // LLVM_LIBC_SRC___SUPPORT_MATH_ASINHF16_H
diff --git a/libc/src/math/generic/CMakeLists.txt b/libc/src/math/generic/CMakeLists.txt
index f91feacbff54d..025b0290bfe70 100644
--- a/libc/src/math/generic/CMakeLists.txt
+++ b/libc/src/math/generic/CMakeLists.txt
@@ -3899,18 +3899,7 @@ add_entrypoint_object(
HDRS
../asinhf16.h
DEPENDS
- .explogxf
- libc.hdr.fenv_macros
- libc.src.__support.FPUtil.cast
- libc.src.__support.FPUtil.except_value_utils
- libc.src.__support.FPUtil.fenv_impl
- libc.src.__support.FPUtil.fp_bits
- libc.src.__support.FPUtil.multiply_add
- libc.src.__support.FPUtil.polyeval
- libc.src.__support.FPUtil.rounding_mode
- libc.src.__support.FPUtil.sqrt
- libc.src.__support.macros.optimization
- libc.src.__support.macros.properties.types
+ libc.src.__support.math.asinhf16
)
add_entrypoint_object(
diff --git a/libc/src/math/generic/asinhf16.cpp b/libc/src/math/generic/asinhf16.cpp
index 0a0b471d87ecc..d517e633f7bea 100644
--- a/libc/src/math/generic/asinhf16.cpp
+++ b/libc/src/math/generic/asinhf16.cpp
@@ -7,102 +7,10 @@
//===----------------------------------------------------------------------===//
#include "src/math/asinhf16.h"
-#include "explogxf.h"
-#include "hdr/fenv_macros.h"
-#include "src/__support/FPUtil/FEnvImpl.h"
-#include "src/__support/FPUtil/FPBits.h"
-#include "src/__support/FPUtil/PolyEval.h"
-#include "src/__support/FPUtil/cast.h"
-#include "src/__support/FPUtil/except_value_utils.h"
-#include "src/__support/FPUtil/multiply_add.h"
-#include "src/__support/FPUtil/rounding_mode.h"
-#include "src/__support/FPUtil/sqrt.h"
-#include "src/__support/common.h"
-#include "src/__support/macros/config.h"
-#include "src/__support/macros/optimization.h"
+#include "src/__support/math/asinhf16.h"
namespace LIBC_NAMESPACE_DECL {
-#ifndef LIBC_MATH_HAS_SKIP_ACCURATE_PASS
-static constexpr size_t N_EXCEPTS = 8;
-
-static constexpr fputil::ExceptValues<float16, N_EXCEPTS> ASINHF16_EXCEPTS{{
- // (input, RZ output, RU offset, RD offset, RN offset)
-
- // x = 0x1.da4p-2, asinhf16(x) = 0x1.ca8p-2 (RZ)
- {0x3769, 0x372a, 1, 0, 1},
- // x = 0x1.d6cp-1, asinhf16(x) = 0x1.a58p-1 (RZ)
- {0x3b5b, 0x3a96, 1, 0, 0},
- // x = 0x1.c7cp+3, asinhf16(x) = 0x1.accp+1 (RZ)
- {0x4b1f, 0x42b3, 1, 0, 0},
- // x = 0x1.26cp+4, asinhf16(x) = 0x1.cd8p+1 (RZ)
- {0x4c9b, 0x4336, 1, 0, 1},
- // x = -0x1.da4p-2, asinhf16(x) = -0x1.ca8p-2 (RZ)
- {0xb769, 0xb72a, 0, 1, 1},
- // x = -0x1.d6cp-1, asinhf16(x) = -0x1.a58p-1 (RZ)
- {0xbb5b, 0xba96, 0, 1, 0},
- // x = -0x1.c7cp+3, asinhf16(x) = -0x1.accp+1 (RZ)
- {0xcb1f, 0xc2b3, 0, 1, 0},
- // x = -0x1.26cp+4, asinhf16(x) = -0x1.cd8p+1 (RZ)
- {0xcc9b, 0xc336, 0, 1, 1},
-}};
-#endif // !LIBC_MATH_HAS_SKIP_ACCURATE_PASS
-
-LLVM_LIBC_FUNCTION(float16, asinhf16, (float16 x)) {
- using namespace acoshf_internal;
- using FPBits = fputil::FPBits<float16>;
- FPBits xbits(x);
-
- uint16_t x_u = xbits.uintval();
- uint16_t x_abs = x_u & 0x7fff;
-
- if (LIBC_UNLIKELY(xbits.is_inf_or_nan())) {
- if (xbits.is_signaling_nan()) {
- fputil::raise_except_if_required(FE_INVALID);
- return FPBits::quiet_nan().get_val();
- }
-
- return x;
- }
-
-#ifndef LIBC_MATH_HAS_SKIP_ACCURATE_PASS
- // Handle exceptional values
- if (auto r = ASINHF16_EXCEPTS.lookup(x_u); LIBC_UNLIKELY(r.has_value()))
- return r.value();
-#endif // !LIBC_MATH_HAS_SKIP_ACCURATE_PASS
-
- float xf = x;
- const float SIGN[2] = {1.0f, -1.0f};
- float x_sign = SIGN[x_u >> 15];
-
- // |x| <= 0.25
- if (LIBC_UNLIKELY(x_abs <= 0x3400)) {
- // when |x| < 0x1.718p-5, asinhf16(x) = x. Adjust by 1 ULP for certain
- // rounding types.
- if (LIBC_UNLIKELY(x_abs < 0x29c6)) {
- int rounding = fputil::quick_get_round();
- if ((rounding == FE_UPWARD || rounding == FE_TOWARDZERO) && xf < 0)
- return fputil::cast<float16>(xf + 0x1p-24f);
- if ((rounding == FE_DOWNWARD || rounding == FE_TOWARDZERO) && xf > 0)
- return fputil::cast<float16>(xf - 0x1p-24f);
- return fputil::cast<float16>(xf);
- }
-
- float x_sq = xf * xf;
- // Generated by Sollya with:
- // > P = fpminimax(asinh(x)/x, [|0, 2, 4, 6, 8|], [|SG...|], [0, 2^-2]);
- // The last coefficient 0x1.bd114ep-6f has been changed to 0x1.bd114ep-5f
- // for better accuracy.
- float p = fputil::polyeval(x_sq, 1.0f, -0x1.555552p-3f, 0x1.332f6ap-4f,
- -0x1.6c53dep-5f, 0x1.bd114ep-5f);
-
- return fputil::cast<float16>(xf * p);
- }
-
- // General case: asinh(x) = ln(x + sqrt(x^2 + 1))
- float sqrt_term = fputil::sqrt<float>(fputil::multiply_add(xf, xf, 1.0f));
- return fputil::cast<float16>(
- x_sign * log_eval(fputil::multiply_add(xf, x_sign, sqrt_term)));
-}
+LLVM_LIBC_FUNCTION(float16, asinhf16, (float16 x)) { return math::asinhf16(x); }
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/shared/CMakeLists.txt b/libc/test/shared/CMakeLists.txt
index 77f3617841293..7ddf26c1d091c 100644
--- a/libc/test/shared/CMakeLists.txt
+++ b/libc/test/shared/CMakeLists.txt
@@ -17,6 +17,7 @@ add_fp_unittest(
libc.src.__support.math.asinf
libc.src.__support.math.asinf16
libc.src.__support.math.asinhf
+ libc.src.__support.math.asinhf16
libc.src.__support.math.erff
libc.src.__support.math.exp
libc.src.__support.math.exp10
diff --git a/libc/test/shared/shared_math_test.cpp b/libc/test/shared/shared_math_test.cpp
index 2e4450a9b40e8..3ddea7a6a4aa5 100644
--- a/libc/test/shared/shared_math_test.cpp
+++ b/libc/test/shared/shared_math_test.cpp
@@ -18,6 +18,7 @@ TEST(LlvmLibcSharedMathTest, AllFloat16) {
EXPECT_FP_EQ(0x0p+0f16, LIBC_NAMESPACE::shared::acoshf16(1.0f16));
EXPECT_FP_EQ(0x0p+0f16, LIBC_NAMESPACE::shared::acospif16(1.0f16));
EXPECT_FP_EQ(0x0p+0f16, LIBC_NAMESPACE::shared::asinf16(0.0f16));
+ EXPECT_FP_EQ(0x0p+0f16, LIBC_NAMESPACE::shared::asinhf16(0.0f16));
EXPECT_FP_EQ(0x1p+0f16, LIBC_NAMESPACE::shared::exp10f16(0.0f16));
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index 0e40d92cb5c97..31334e324e705 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -2245,6 +2245,24 @@ libc_support_library(
],
)
+libc_support_library(
+ name = "__support_math_asinhf16",
+ hdrs = ["src/__support/math/asinhf16.h"],
+ deps = [
+ ":__support_math_acoshf_utils",
+ ":__support_fputil_fenv_impl",
+ ":__support_fputil_fp_bits",
+ ":__support_fputil_polyeval",
+ ":__support_fputil_cast",
+ ":__support_fputil_except_value_utils",
+ ":__support_fputil_multiply_add",
+ ":__support_fputil_rounding_mode",
+ ":__support_fputil_sqrt",
+ ":__support_macros_config",
+ ":__support_macros_optimization",
+ ],
+)
+
libc_support_library(
name = "__support_math_asinf",
hdrs = ["src/__support/math/asinf.h"],
@@ -2847,6 +2865,13 @@ libc_math_function(
],
)
+libc_math_function(
+ name = "asinhf16",
+ additional_deps = [
+ ":__support_math_asinhf16",
+ ],
+)
+
libc_math_function(
name = "atanf",
additional_deps = [
>From 408c7a4074c5d9c771f533e97d9c01dfd322dbe2 Mon Sep 17 00:00:00 2001
From: bassiounix <muhammad.m.bassiouni at gmail.com>
Date: Mon, 28 Jul 2025 00:02:06 +0300
Subject: [PATCH 2/2] fix style
---
libc/shared/math/asinhf16.h | 3 ++-
libc/src/__support/math/asinhf16.h | 40 ++++++++++++++----------------
2 files changed, 21 insertions(+), 22 deletions(-)
diff --git a/libc/shared/math/asinhf16.h b/libc/shared/math/asinhf16.h
index 1a0525b6a9b8b..b063a5b80611b 100644
--- a/libc/shared/math/asinhf16.h
+++ b/libc/shared/math/asinhf16.h
@@ -1,4 +1,5 @@
-//===-- Shared asinhf16 function ---------------------------------*- C++ -*-===//
+//===-- Shared asinhf16 function ---------------------------------*- C++
+//-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
diff --git a/libc/src/__support/math/asinhf16.h b/libc/src/__support/math/asinhf16.h
index 81657b8db97b0..3c5171e59c11f 100644
--- a/libc/src/__support/math/asinhf16.h
+++ b/libc/src/__support/math/asinhf16.h
@@ -35,25 +35,25 @@ LIBC_INLINE static constexpr float16 asinhf16(float16 x) {
constexpr size_t N_EXCEPTS = 8;
constexpr fputil::ExceptValues<float16, N_EXCEPTS> ASINHF16_EXCEPTS{{
- // (input, RZ output, RU offset, RD offset, RN offset)
-
- // x = 0x1.da4p-2, asinhf16(x) = 0x1.ca8p-2 (RZ)
- {0x3769, 0x372a, 1, 0, 1},
- // x = 0x1.d6cp-1, asinhf16(x) = 0x1.a58p-1 (RZ)
- {0x3b5b, 0x3a96, 1, 0, 0},
- // x = 0x1.c7cp+3, asinhf16(x) = 0x1.accp+1 (RZ)
- {0x4b1f, 0x42b3, 1, 0, 0},
- // x = 0x1.26cp+4, asinhf16(x) = 0x1.cd8p+1 (RZ)
- {0x4c9b, 0x4336, 1, 0, 1},
- // x = -0x1.da4p-2, asinhf16(x) = -0x1.ca8p-2 (RZ)
- {0xb769, 0xb72a, 0, 1, 1},
- // x = -0x1.d6cp-1, asinhf16(x) = -0x1.a58p-1 (RZ)
- {0xbb5b, 0xba96, 0, 1, 0},
- // x = -0x1.c7cp+3, asinhf16(x) = -0x1.accp+1 (RZ)
- {0xcb1f, 0xc2b3, 0, 1, 0},
- // x = -0x1.26cp+4, asinhf16(x) = -0x1.cd8p+1 (RZ)
- {0xcc9b, 0xc336, 0, 1, 1},
-}};
+ // (input, RZ output, RU offset, RD offset, RN offset)
+
+ // x = 0x1.da4p-2, asinhf16(x) = 0x1.ca8p-2 (RZ)
+ {0x3769, 0x372a, 1, 0, 1},
+ // x = 0x1.d6cp-1, asinhf16(x) = 0x1.a58p-1 (RZ)
+ {0x3b5b, 0x3a96, 1, 0, 0},
+ // x = 0x1.c7cp+3, asinhf16(x) = 0x1.accp+1 (RZ)
+ {0x4b1f, 0x42b3, 1, 0, 0},
+ // x = 0x1.26cp+4, asinhf16(x) = 0x1.cd8p+1 (RZ)
+ {0x4c9b, 0x4336, 1, 0, 1},
+ // x = -0x1.da4p-2, asinhf16(x) = -0x1.ca8p-2 (RZ)
+ {0xb769, 0xb72a, 0, 1, 1},
+ // x = -0x1.d6cp-1, asinhf16(x) = -0x1.a58p-1 (RZ)
+ {0xbb5b, 0xba96, 0, 1, 0},
+ // x = -0x1.c7cp+3, asinhf16(x) = -0x1.accp+1 (RZ)
+ {0xcb1f, 0xc2b3, 0, 1, 0},
+ // x = -0x1.26cp+4, asinhf16(x) = -0x1.cd8p+1 (RZ)
+ {0xcc9b, 0xc336, 0, 1, 1},
+ }};
#endif // !LIBC_MATH_HAS_SKIP_ACCURATE_PASS
using namespace acoshf_internal;
@@ -110,8 +110,6 @@ LIBC_INLINE static constexpr float16 asinhf16(float16 x) {
float sqrt_term = fputil::sqrt<float>(fputil::multiply_add(xf, xf, 1.0f));
return fputil::cast<float16>(
x_sign * log_eval(fputil::multiply_add(xf, x_sign, sqrt_term)));
-
-
}
} // namespace math
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