58 lines · cpp
1//===-- Unittests for log1pf ----------------------------------------------===//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/math_macros.h"11#include "hdr/stdint_proxy.h"12#include "src/__support/FPUtil/FPBits.h"13#include "src/math/log1pf.h"14#include "test/UnitTest/FPMatcher.h"15#include "test/UnitTest/Test.h"16 17using LlvmLibcLog1pfTest = LIBC_NAMESPACE::testing::FPTest<float>;18 19TEST_F(LlvmLibcLog1pfTest, SpecialNumbers) {20 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::log1pf(sNaN), FE_INVALID);21 EXPECT_MATH_ERRNO(0);22 23 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::log1pf(aNaN));24 EXPECT_FP_EQ(inf, LIBC_NAMESPACE::log1pf(inf));25 EXPECT_MATH_ERRNO(0);26 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::log1pf(neg_inf), FE_INVALID);27 EXPECT_MATH_ERRNO(EDOM);28 EXPECT_FP_EQ(zero, LIBC_NAMESPACE::log1pf(0.0f));29 EXPECT_FP_EQ(neg_zero, LIBC_NAMESPACE::log1pf(-0.0f));30 EXPECT_FP_EQ_WITH_EXCEPTION(neg_inf, LIBC_NAMESPACE::log1pf(-1.0f),31 FE_DIVBYZERO);32 EXPECT_MATH_ERRNO(ERANGE);33}34 35#ifdef LIBC_TEST_FTZ_DAZ36 37using namespace LIBC_NAMESPACE::testing;38 39TEST_F(LlvmLibcLog1pfTest, FTZMode) {40 ModifyMXCSR mxcsr(FTZ);41 42 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::log1pf(min_denormal));43}44 45TEST_F(LlvmLibcLog1pfTest, DAZMode) {46 ModifyMXCSR mxcsr(DAZ);47 48 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::log1pf(min_denormal));49}50 51TEST_F(LlvmLibcLog1pfTest, FTZDAZMode) {52 ModifyMXCSR mxcsr(FTZ | DAZ);53 54 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::log1pf(min_denormal));55}56 57#endif58