66 lines · cpp
1//===-- Unittests for acosf -----------------------------------------------===//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 "src/__support/FPUtil/FPBits.h"12#include "src/math/acosf.h"13#include "test/UnitTest/FPMatcher.h"14#include "test/UnitTest/Test.h"15 16#include "hdr/stdint_proxy.h"17 18using LlvmLibcAcosfTest = LIBC_NAMESPACE::testing::FPTest<float>;19 20TEST_F(LlvmLibcAcosfTest, SpecialNumbers) {21 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::acosf(sNaN), FE_INVALID);22 EXPECT_MATH_ERRNO(0);23 24 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(aNaN));25 EXPECT_MATH_ERRNO(0);26 27 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(inf));28 EXPECT_MATH_ERRNO(EDOM);29 30 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(neg_inf));31 EXPECT_MATH_ERRNO(EDOM);32 33 EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosf(1.0f));34 EXPECT_MATH_ERRNO(0);35 36 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(2.0f));37 EXPECT_MATH_ERRNO(EDOM);38 39 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(-2.0f));40 EXPECT_MATH_ERRNO(EDOM);41}42 43#ifdef LIBC_TEST_FTZ_DAZ44 45using namespace LIBC_NAMESPACE::testing;46 47TEST_F(LlvmLibcAcosfTest, FTZMode) {48 ModifyMXCSR mxcsr(FTZ);49 50 EXPECT_FP_EQ(0x1.921fb6p0f, LIBC_NAMESPACE::acosf(min_denormal));51}52 53TEST_F(LlvmLibcAcosfTest, DAZMode) {54 ModifyMXCSR mxcsr(DAZ);55 56 EXPECT_FP_EQ(0x1.921fb6p0f, LIBC_NAMESPACE::acosf(min_denormal));57}58 59TEST_F(LlvmLibcAcosfTest, FTZDAZMode) {60 ModifyMXCSR mxcsr(FTZ | DAZ);61 62 EXPECT_FP_EQ(0x1.921fb6p0f, LIBC_NAMESPACE::acosf(min_denormal));63}64 65#endif66