53 lines · cpp
1//===-- Unittests for BFloat16 log(x) function =---------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "hdr/errno_macros.h"10#include "hdr/fenv_macros.h"11#include "src/__support/FPUtil/bfloat16.h"12#include "src/__support/macros/properties/types.h"13#include "src/math/log_bf16.h"14#include "test/UnitTest/FEnvSafeTest.h"15#include "test/UnitTest/FPMatcher.h"16#include "test/UnitTest/Test.h"17 18class LlvmLibcLogBf16Test : public LIBC_NAMESPACE::testing::FEnvSafeTest {19 DECLARE_SPECIAL_CONSTANTS(bfloat16)20 21public:22 void test_special_numbers() {23 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::log_bf16(aNaN));24 EXPECT_MATH_ERRNO(0);25 26 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::log_bf16(sNaN),27 FE_INVALID);28 EXPECT_MATH_ERRNO(0);29 30 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::log_bf16(inf));31 EXPECT_MATH_ERRNO(0);32 33 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::log_bf16(neg_inf));34 EXPECT_MATH_ERRNO(EDOM);35 36 EXPECT_FP_EQ_WITH_EXCEPTION_ALL_ROUNDING(37 neg_inf, LIBC_NAMESPACE::log_bf16(zero), FE_DIVBYZERO);38 EXPECT_MATH_ERRNO(0);39 40 EXPECT_FP_EQ_WITH_EXCEPTION_ALL_ROUNDING(41 neg_inf, LIBC_NAMESPACE::log_bf16(neg_zero), FE_DIVBYZERO);42 EXPECT_MATH_ERRNO(0);43 44 EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::log_bf16(bfloat16(1.0)));45 EXPECT_MATH_ERRNO(0);46 47 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::log_bf16(bfloat16(-1.0)));48 EXPECT_MATH_ERRNO(EDOM);49 }50};51 52TEST_F(LlvmLibcLogBf16Test, SpecialNumbers) { test_special_numbers(); }53