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//===-- Unittests for BFloat16 log(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 "hdr/errno_macros.h"
#include "hdr/fenv_macros.h"
#include "src/__support/FPUtil/bfloat16.h"
#include "src/__support/macros/properties/types.h"
#include "src/math/log_bf16.h"
#include "test/UnitTest/FEnvSafeTest.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
class LlvmLibcLogBf16Test : public LIBC_NAMESPACE::testing::FEnvSafeTest {
DECLARE_SPECIAL_CONSTANTS(bfloat16)
public:
void test_special_numbers() {
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::log_bf16(aNaN));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::log_bf16(sNaN),
FE_INVALID);
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::log_bf16(inf));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::log_bf16(neg_inf));
EXPECT_MATH_ERRNO(EDOM);
EXPECT_FP_EQ_WITH_EXCEPTION_ALL_ROUNDING(
neg_inf, LIBC_NAMESPACE::log_bf16(zero), FE_DIVBYZERO);
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_WITH_EXCEPTION_ALL_ROUNDING(
neg_inf, LIBC_NAMESPACE::log_bf16(neg_zero), FE_DIVBYZERO);
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::log_bf16(bfloat16(1.0)));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::log_bf16(bfloat16(-1.0)));
EXPECT_MATH_ERRNO(EDOM);
}
};
TEST_F(LlvmLibcLogBf16Test, SpecialNumbers) { test_special_numbers(); }
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