80 lines · cpp
1//===-- Unittests for coshf -----------------------------------------------===//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/CPP/array.h"13#include "src/__support/FPUtil/FPBits.h"14#include "src/math/coshf.h"15#include "test/UnitTest/FPMatcher.h"16#include "test/UnitTest/Test.h"17 18using LlvmLibcCoshfTest = LIBC_NAMESPACE::testing::FPTest<float>;19 20TEST_F(LlvmLibcCoshfTest, SpecialNumbers) {21 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::coshf(sNaN), FE_INVALID);22 EXPECT_MATH_ERRNO(0);23 24 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::coshf(aNaN));25 EXPECT_MATH_ERRNO(0);26 27 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::coshf(inf));28 EXPECT_MATH_ERRNO(0);29 30 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::coshf(neg_inf));31 EXPECT_MATH_ERRNO(0);32 33 EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::coshf(0.0f));34 EXPECT_MATH_ERRNO(0);35 36 EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::coshf(-0.0f));37 EXPECT_MATH_ERRNO(0);38}39 40TEST_F(LlvmLibcCoshfTest, Overflow) {41 EXPECT_FP_EQ_WITH_EXCEPTION(42 inf, LIBC_NAMESPACE::coshf(FPBits(0x7f7fffffU).get_val()), FE_OVERFLOW);43 EXPECT_MATH_ERRNO(ERANGE);44 45 EXPECT_FP_EQ_WITH_EXCEPTION(46 inf, LIBC_NAMESPACE::coshf(FPBits(0x42cffff8U).get_val()), FE_OVERFLOW);47 EXPECT_MATH_ERRNO(ERANGE);48 49 EXPECT_FP_EQ_WITH_EXCEPTION(50 inf, LIBC_NAMESPACE::coshf(FPBits(0x42d00008U).get_val()), FE_OVERFLOW);51 EXPECT_MATH_ERRNO(ERANGE);52}53 54#ifdef LIBC_TEST_FTZ_DAZ55 56using namespace LIBC_NAMESPACE::testing;57 58TEST_F(LlvmLibcCoshfTest, FTZMode) {59 ModifyMXCSR mxcsr(FTZ);60 61 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::coshf(min_denormal));62 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::coshf(max_denormal));63}64 65TEST_F(LlvmLibcCoshfTest, DAZMode) {66 ModifyMXCSR mxcsr(DAZ);67 68 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::coshf(min_denormal));69 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::coshf(max_denormal));70}71 72TEST_F(LlvmLibcCoshfTest, FTZDAZMode) {73 ModifyMXCSR mxcsr(FTZ | DAZ);74 75 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::coshf(min_denormal));76 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::coshf(max_denormal));77}78 79#endif80