144 changes: 144 additions & 0 deletions libc/src/math/generic/sinhf16.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,144 @@
//===-- Half-precision sinh(x) 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/sinhf16.h"
#include "expxf16.h"
#include "hdr/errno_macros.h"
#include "hdr/fenv_macros.h"
#include "src/__support/FPUtil/FEnvImpl.h"
#include "src/__support/FPUtil/FPBits.h"
#include "src/__support/FPUtil/except_value_utils.h"
#include "src/__support/FPUtil/rounding_mode.h"
#include "src/__support/common.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/optimization.h"

namespace LIBC_NAMESPACE_DECL {

static constexpr fputil::ExceptValues<float16, 16> SINHF16_EXCEPTS_POS = {{
// x = 0x1.714p-5, sinhf16(x) = 0x1.714p-5 (RZ)
{0x29c5U, 0x29c5U, 1U, 0U, 1U},
// x = 0x1.25p-4, sinhf16(x) = 0x1.25p-4 (RZ)
{0x2c94U, 0x2c94U, 1U, 0U, 1U},
// x = 0x1.f5p-4, sinhf16(x) = 0x1.f64p-4 (RZ)
{0x2fd4U, 0x2fd9U, 1U, 0U, 0U},
// x = 0x1.b1cp-3, sinhf16(x) = 0x1.b4cp-3 (RZ)
{0x32c7U, 0x32d3U, 1U, 0U, 1U},
// x = 0x1.6e8p-2, sinhf16(x) = 0x1.764p-2 (RZ)
{0x35baU, 0x35d9U, 1U, 0U, 1U},
// x = 0x1.6b4p-1, sinhf16(x) = 0x1.8a4p-1 (RZ)
{0x39adU, 0x3a29U, 1U, 0U, 1U},
// x = 0x1.a58p-1, sinhf16(x) = 0x1.d68p-1 (RZ)
{0x3a96U, 0x3b5aU, 1U, 0U, 1U},
// x = 0x1.574p+0, sinhf16(x) = 0x1.c78p+0 (RZ)
{0x3d5dU, 0x3f1eU, 1U, 0U, 1U},
// x = 0x1.648p+1, sinhf16(x) = 0x1.024p+3 (RZ)
{0x4192U, 0x4809U, 1U, 0U, 0U},
// x = 0x1.cdcp+1, sinhf16(x) = 0x1.26cp+4 (RZ)
{0x4337U, 0x4c9bU, 1U, 0U, 0U},
// x = 0x1.d0cp+1, sinhf16(x) = 0x1.2d8p+4 (RZ)
{0x4343U, 0x4cb6U, 1U, 0U, 1U},
// x = 0x1.018p+2, sinhf16(x) = 0x1.bfp+4 (RZ)
{0x4406U, 0x4efcU, 1U, 0U, 0U},
// x = 0x1.2fcp+2, sinhf16(x) = 0x1.cc4p+5 (RZ)
{0x44bfU, 0x5331U, 1U, 0U, 1U},
// x = 0x1.4ecp+2, sinhf16(x) = 0x1.75cp+6 (RZ)
{0x453bU, 0x55d7U, 1U, 0U, 0U},
// x = 0x1.8a4p+2, sinhf16(x) = 0x1.d94p+7 (RZ)
{0x4629U, 0x5b65U, 1U, 0U, 1U},
// x = 0x1.5fp+3, sinhf16(x) = 0x1.c54p+14 (RZ)
{0x497cU, 0x7715U, 1U, 0U, 1U},
}};

static constexpr fputil::ExceptValues<float16, 12> SINHF16_EXCEPTS_NEG = {{
// x = -0x1.714p-5, sinhf16(x) = -0x1.714p-5 (RZ)
{0xa9c5U, 0xa9c5U, 0U, 1U, 1U},
// x = -0x1.25p-4, sinhf16(x) = -0x1.25p-4 (RZ)
{0xac94U, 0xac94U, 0U, 1U, 1U},
// x = -0x1.f5p-4, sinhf16(x) = -0x1.f64p-4 (RZ)
{0xafd4U, 0xafd9U, 0U, 1U, 0U},
// x = -0x1.6e8p-2, sinhf16(x) = -0x1.764p-2 (RZ)
{0xb5baU, 0xb5d9U, 0U, 1U, 1U},
// x = -0x1.a58p-1, sinhf16(x) = -0x1.d68p-1 (RZ)
{0xba96U, 0xbb5aU, 0U, 1U, 1U},
// x = -0x1.cdcp+1, sinhf16(x) = -0x1.26cp+4 (RZ)
{0xc337U, 0xcc9bU, 0U, 1U, 0U},
// x = -0x1.d0cp+1, sinhf16(x) = -0x1.2d8p+4 (RZ)
{0xc343U, 0xccb6U, 0U, 1U, 1U},
// x = -0x1.018p+2, sinhf16(x) = -0x1.bfp+4 (RZ)
{0xc406U, 0xcefcU, 0U, 1U, 0U},
// x = -0x1.2fcp+2, sinhf16(x) = -0x1.cc4p+5 (RZ)
{0xc4bfU, 0xd331U, 0U, 1U, 1U},
// x = -0x1.4ecp+2, sinhf16(x) = -0x1.75cp+6 (RZ)
{0xc53bU, 0xd5d7U, 0U, 1U, 0U},
// x = -0x1.8a4p+2, sinhf16(x) = -0x1.d94p+7 (RZ)
{0xc629U, 0xdb65U, 0U, 1U, 1U},
// x = -0x1.5fp+3, sinhf16(x) = -0x1.c54p+14 (RZ)
{0xc97cU, 0xf715U, 0U, 1U, 1U},
}};

LLVM_LIBC_FUNCTION(float16, sinhf16, (float16 x)) {
using FPBits = fputil::FPBits<float16>;
FPBits x_bits(x);

uint16_t x_u = x_bits.uintval();
uint16_t x_abs = x_u & 0x7fffU;

// When |x| = 0, or -2^(-14) <= x <= -2^(-9), or |x| >= asinh(2^16), or x is
// NaN.
if (LIBC_UNLIKELY(x_abs == 0U || (x_u >= 0x8400U && x_u <= 0xa400U) ||
x_abs >= 0x49e5U)) {
// sinh(NaN) = NaN
if (x_bits.is_nan()) {
if (x_bits.is_signaling_nan()) {
fputil::raise_except_if_required(FE_INVALID);
return FPBits::quiet_nan().get_val();
}

return x;
}

// sinh(+/-0) = sinh(+/-0)
if (x_abs == 0U)
return FPBits::zero(x_bits.sign()).get_val();

// When |x| >= asinh(2^16).
if (x_abs >= 0x49e5U) {
// sinh(+/-inf) = +/-inf
if (x_bits.is_inf())
return FPBits::inf(x_bits.sign()).get_val();

int rounding_mode = fputil::quick_get_round();
if (rounding_mode == FE_TONEAREST ||
(x_bits.is_pos() && rounding_mode == FE_UPWARD) ||
(x_bits.is_neg() && rounding_mode == FE_DOWNWARD)) {
fputil::set_errno_if_required(ERANGE);
fputil::raise_except_if_required(FE_OVERFLOW | FE_INEXACT);
return FPBits::inf(x_bits.sign()).get_val();
}
return FPBits::max_normal(x_bits.sign()).get_val();
}

// When -2^(-14) <= x <= -2^(-9).
if (fputil::fenv_is_round_down())
return FPBits(static_cast<uint16_t>(x_u + 1)).get_val();
return FPBits(static_cast<uint16_t>(x_u)).get_val();
}

if (x_bits.is_pos()) {
if (auto r = SINHF16_EXCEPTS_POS.lookup(x_u); LIBC_UNLIKELY(r.has_value()))
return r.value();
} else {
if (auto r = SINHF16_EXCEPTS_NEG.lookup(x_u); LIBC_UNLIKELY(r.has_value()))
return r.value();
}

return eval_sinh_or_cosh</*IsSinh=*/true>(x);
}

} // namespace LIBC_NAMESPACE_DECL
21 changes: 21 additions & 0 deletions libc/src/math/sinhf16.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
//===-- Implementation header for sinhf16 -----------------------*- 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_SINHF16_H
#define LLVM_LIBC_SRC_MATH_SINHF16_H

#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/types.h"

namespace LIBC_NAMESPACE_DECL {

float16 sinhf16(float16 x);

} // namespace LIBC_NAMESPACE_DECL

#endif // LLVM_LIBC_SRC_MATH_SINHF16_H
22 changes: 22 additions & 0 deletions libc/test/src/math/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -1916,6 +1916,17 @@ add_fp_unittest(
libc.src.__support.FPUtil.fp_bits
)

add_fp_unittest(
coshf16_test
NEED_MPFR
SUITE
libc-math-unittests
SRCS
coshf16_test.cpp
DEPENDS
libc.src.math.coshf16
)

add_fp_unittest(
sinhf_test
NEED_MPFR
Expand All @@ -1932,6 +1943,17 @@ add_fp_unittest(
libc.src.__support.FPUtil.fp_bits
)

add_fp_unittest(
sinhf16_test
NEED_MPFR
SUITE
libc-math-unittests
SRCS
sinhf16_test.cpp
DEPENDS
libc.src.math.sinhf16
)

add_fp_unittest(
tanhf_test
NEED_MPFR
Expand Down
40 changes: 40 additions & 0 deletions libc/test/src/math/coshf16_test.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,40 @@
//===-- Exhaustive test for coshf16 ---------------------------------------===//
//
// 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/coshf16.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
#include "utils/MPFRWrapper/MPFRUtils.h"

using LlvmLibcCoshf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;

namespace mpfr = LIBC_NAMESPACE::testing::mpfr;

// Range: [0, Inf];
static constexpr uint16_t POS_START = 0x0000U;
static constexpr uint16_t POS_STOP = 0x7c00U;

// Range: [-Inf, 0];
static constexpr uint16_t NEG_START = 0x8000U;
static constexpr uint16_t NEG_STOP = 0xfc00U;

TEST_F(LlvmLibcCoshf16Test, PositiveRange) {
for (uint16_t v = POS_START; v <= POS_STOP; ++v) {
float16 x = FPBits(v).get_val();
EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Cosh, x,
LIBC_NAMESPACE::coshf16(x), 0.5);
}
}

TEST_F(LlvmLibcCoshf16Test, NegativeRange) {
for (uint16_t v = NEG_START; v <= NEG_STOP; ++v) {
float16 x = FPBits(v).get_val();
EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Cosh, x,
LIBC_NAMESPACE::coshf16(x), 0.5);
}
}
40 changes: 40 additions & 0 deletions libc/test/src/math/sinhf16_test.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,40 @@
//===-- Exhaustive test for sinhf16 ---------------------------------------===//
//
// 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/sinhf16.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
#include "utils/MPFRWrapper/MPFRUtils.h"

using LlvmLibcSinhf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;

namespace mpfr = LIBC_NAMESPACE::testing::mpfr;

// Range: [0, Inf];
static constexpr uint16_t POS_START = 0x0000U;
static constexpr uint16_t POS_STOP = 0x7c00U;

// Range: [-Inf, 0];
static constexpr uint16_t NEG_START = 0x8000U;
static constexpr uint16_t NEG_STOP = 0xfc00U;

TEST_F(LlvmLibcSinhf16Test, PositiveRange) {
for (uint16_t v = POS_START; v <= POS_STOP; ++v) {
float16 x = FPBits(v).get_val();
EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Sinh, x,
LIBC_NAMESPACE::sinhf16(x), 0.5);
}
}

TEST_F(LlvmLibcSinhf16Test, NegativeRange) {
for (uint16_t v = NEG_START; v <= NEG_STOP; ++v) {
float16 x = FPBits(v).get_val();
EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Sinh, x,
LIBC_NAMESPACE::sinhf16(x), 0.5);
}
}
26 changes: 26 additions & 0 deletions libc/test/src/math/smoke/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -3728,6 +3728,19 @@ add_fp_unittest(
libc.src.__support.FPUtil.fp_bits
)

add_fp_unittest(
coshf16_test
SUITE
libc-math-smoke-tests
SRCS
coshf16_test.cpp
DEPENDS
libc.hdr.fenv_macros
libc.src.errno.errno
libc.src.math.coshf16
libc.src.__support.FPUtil.cast
)

add_fp_unittest(
sinhf_test
SUITE
Expand All @@ -3741,6 +3754,19 @@ add_fp_unittest(
libc.src.__support.FPUtil.fp_bits
)

add_fp_unittest(
sinhf16_test
SUITE
libc-math-smoke-tests
SRCS
sinhf16_test.cpp
DEPENDS
libc.hdr.fenv_macros
libc.src.errno.errno
libc.src.math.sinhf16
libc.src.__support.FPUtil.cast
)

add_fp_unittest(
tanhf_test
SUITE
Expand Down
90 changes: 90 additions & 0 deletions libc/test/src/math/smoke/coshf16_test.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,90 @@
//===-- Unittests for coshf16 ---------------------------------------------===//
//
// 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 "hdr/fenv_macros.h"
#include "src/__support/FPUtil/cast.h"
#include "src/errno/libc_errno.h"
#include "src/math/coshf16.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"

using LlvmLibcCoshf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;

TEST_F(LlvmLibcCoshf16Test, SpecialNumbers) {
LIBC_NAMESPACE::libc_errno = 0;

EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::coshf16(aNaN));
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::coshf16(sNaN), FE_INVALID);
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::coshf16(inf));
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::coshf16(neg_inf));
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_ALL_ROUNDING(LIBC_NAMESPACE::fputil::cast<float16>(1.0),
LIBC_NAMESPACE::coshf16(zero));
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_ALL_ROUNDING(LIBC_NAMESPACE::fputil::cast<float16>(1.0),
LIBC_NAMESPACE::coshf16(neg_zero));
EXPECT_MATH_ERRNO(0);
}

TEST_F(LlvmLibcCoshf16Test, Overflow) {
LIBC_NAMESPACE::libc_errno = 0;

EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::coshf16(max_normal),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::coshf16(neg_max_normal),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

// round(acosh(2^16), HP, RU);
float16 x = LIBC_NAMESPACE::fputil::cast<float16>(0x1.794p+3);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_NEAREST(inf, LIBC_NAMESPACE::coshf16(x),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_UPWARD(inf, LIBC_NAMESPACE::coshf16(x),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_DOWNWARD(
max_normal, LIBC_NAMESPACE::coshf16(x), FE_INEXACT);
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_TOWARD_ZERO(
max_normal, LIBC_NAMESPACE::coshf16(x), FE_INEXACT);
EXPECT_MATH_ERRNO(0);

// round(-acosh(2^16), HP, RD);
x = LIBC_NAMESPACE::fputil::cast<float16>(-0x1.794p+3);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_NEAREST(inf, LIBC_NAMESPACE::coshf16(x),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_UPWARD(inf, LIBC_NAMESPACE::coshf16(x),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_DOWNWARD(
max_normal, LIBC_NAMESPACE::coshf16(x), FE_INEXACT);
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_TOWARD_ZERO(
max_normal, LIBC_NAMESPACE::coshf16(x), FE_INEXACT);
EXPECT_MATH_ERRNO(0);
}
88 changes: 88 additions & 0 deletions libc/test/src/math/smoke/sinhf16_test.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,88 @@
//===-- Unittests for sinhf16 ---------------------------------------------===//
//
// 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 "hdr/fenv_macros.h"
#include "src/__support/FPUtil/cast.h"
#include "src/errno/libc_errno.h"
#include "src/math/sinhf16.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"

using LlvmLibcSinhf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;

TEST_F(LlvmLibcSinhf16Test, SpecialNumbers) {
LIBC_NAMESPACE::libc_errno = 0;

EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::sinhf16(aNaN));
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::sinhf16(sNaN), FE_INVALID);
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::sinhf16(inf));
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_ALL_ROUNDING(neg_inf, LIBC_NAMESPACE::sinhf16(neg_inf));
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::sinhf16(zero));
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, LIBC_NAMESPACE::sinhf16(neg_zero));
EXPECT_MATH_ERRNO(0);
}

TEST_F(LlvmLibcSinhf16Test, Overflow) {
LIBC_NAMESPACE::libc_errno = 0;

EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::sinhf16(max_normal),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION(neg_inf, LIBC_NAMESPACE::sinhf16(neg_max_normal),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

// round(asinh(2^16), HP, RU);
float16 x = LIBC_NAMESPACE::fputil::cast<float16>(0x1.794p+3);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_NEAREST(inf, LIBC_NAMESPACE::sinhf16(x),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_UPWARD(inf, LIBC_NAMESPACE::sinhf16(x),
FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_DOWNWARD(
max_normal, LIBC_NAMESPACE::sinhf16(x), FE_INEXACT);
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_TOWARD_ZERO(
max_normal, LIBC_NAMESPACE::sinhf16(x), FE_INEXACT);
EXPECT_MATH_ERRNO(0);

// round(asinh(-2^16), HP, RD);
x = LIBC_NAMESPACE::fputil::cast<float16>(-0x1.794p+3);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_NEAREST(
neg_inf, LIBC_NAMESPACE::sinhf16(x), FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_UPWARD(
neg_max_normal, LIBC_NAMESPACE::sinhf16(x), FE_INEXACT);
EXPECT_MATH_ERRNO(0);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_DOWNWARD(
neg_inf, LIBC_NAMESPACE::sinhf16(x), FE_OVERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);

EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_TOWARD_ZERO(
neg_max_normal, LIBC_NAMESPACE::sinhf16(x), FE_INEXACT);
EXPECT_MATH_ERRNO(0);
}