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//===-- Unittests for exp10f16 --------------------------------------------===//
//
// 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/errno_macros.h"
#include "hdr/fenv_macros.h"
#include "src/__support/FPUtil/cast.h"
#include "src/math/exp10f16.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
using LlvmLibcExp10f16Test = LIBC_NAMESPACE::testing::FPTest<float16>;
TEST_F(LlvmLibcExp10f16Test, SpecialNumbers) {
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::exp10f16(aNaN));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::exp10f16(sNaN), FE_INVALID);
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::exp10f16(inf));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::exp10f16(neg_inf));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(LIBC_NAMESPACE::fputil::cast<float16>(1.0f),
LIBC_NAMESPACE::exp10f16(zero));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(LIBC_NAMESPACE::fputil::cast<float16>(1.0f),
LIBC_NAMESPACE::exp10f16(neg_zero));
EXPECT_MATH_ERRNO(0);
}
TEST_F(LlvmLibcExp10f16Test, Overflow) {
EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::exp10f16(max_normal),
FE_OVERFLOW);
EXPECT_MATH_ERRNO(ERANGE);
EXPECT_FP_EQ_WITH_EXCEPTION(
inf, LIBC_NAMESPACE::exp10f16(LIBC_NAMESPACE::fputil::cast<float16>(5.0)),
FE_OVERFLOW);
EXPECT_MATH_ERRNO(ERANGE);
}
TEST_F(LlvmLibcExp10f16Test, Underflow) {
EXPECT_FP_EQ_WITH_EXCEPTION(zero, LIBC_NAMESPACE::exp10f16(neg_max_normal),
FE_UNDERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);
EXPECT_FP_EQ_WITH_EXCEPTION(
zero,
LIBC_NAMESPACE::exp10f16(LIBC_NAMESPACE::fputil::cast<float16>(-8.0)),
FE_UNDERFLOW | FE_INEXACT);
EXPECT_MATH_ERRNO(ERANGE);
}
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