103 lines · cpp
1//===-- Unittests for atanhf ----------------------------------------------===//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/atanhf.h"13#include "test/UnitTest/FPMatcher.h"14#include "test/UnitTest/Test.h"15 16#include "hdr/stdint_proxy.h"17 18using LIBC_NAMESPACE::Sign;19 20using LlvmLibcAtanhfTest = LIBC_NAMESPACE::testing::FPTest<float>;21 22TEST_F(LlvmLibcAtanhfTest, SpecialNumbers) {23 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::atanhf(sNaN), FE_INVALID);24 EXPECT_MATH_ERRNO(0);25 // TODO: Strengthen errno,exception checks and remove these assert macros26 // after new matchers/test fixtures are added, see:27 // https://github.com/llvm/llvm-project/issues/9065328 LIBC_NAMESPACE::fputil::clear_except(FE_ALL_EXCEPT);29 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::atanhf(aNaN));30 // TODO: Uncomment these checks later, RoundingMode affects running31 // tests in this way https://github.com/llvm/llvm-project/issues/90653.32 // EXPECT_FP_EXCEPTION(0);33 EXPECT_MATH_ERRNO(0);34 35 LIBC_NAMESPACE::fputil::clear_except(FE_ALL_EXCEPT);36 EXPECT_FP_EQ_ALL_ROUNDING(0.0f, LIBC_NAMESPACE::atanhf(0.0f));37 // See above TODO38 // EXPECT_FP_EXCEPTION(0);39 EXPECT_MATH_ERRNO(0);40 41 LIBC_NAMESPACE::fputil::clear_except(FE_ALL_EXCEPT);42 EXPECT_FP_EQ_ALL_ROUNDING(-0.0f, LIBC_NAMESPACE::atanhf(-0.0f));43 // See above TODO44 // EXPECT_FP_EXCEPTION(0);45 EXPECT_MATH_ERRNO(0);46 47 EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::atanhf(1.0f), FE_DIVBYZERO);48 EXPECT_MATH_ERRNO(ERANGE);49 50 EXPECT_FP_EQ_WITH_EXCEPTION(neg_inf, LIBC_NAMESPACE::atanhf(-1.0f),51 FE_DIVBYZERO);52 EXPECT_MATH_ERRNO(ERANGE);53 54 auto bt = FPBits(1.0f);55 bt.set_uintval(bt.uintval() + 1);56 57 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(bt.get_val()),58 FE_INVALID);59 EXPECT_MATH_ERRNO(EDOM);60 61 bt.set_sign(Sign::NEG);62 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(bt.get_val()),63 FE_INVALID);64 EXPECT_MATH_ERRNO(EDOM);65 66 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(2.0f), FE_INVALID);67 EXPECT_MATH_ERRNO(EDOM);68 69 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(-2.0f), FE_INVALID);70 EXPECT_MATH_ERRNO(EDOM);71 72 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(inf), FE_INVALID);73 EXPECT_MATH_ERRNO(EDOM);74 75 bt.set_sign(Sign::NEG);76 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(neg_inf), FE_INVALID);77 EXPECT_MATH_ERRNO(EDOM);78}79 80#ifdef LIBC_TEST_FTZ_DAZ81 82using namespace LIBC_NAMESPACE::testing;83 84TEST_F(LlvmLibcAtanhfTest, FTZMode) {85 ModifyMXCSR mxcsr(FTZ);86 87 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::atanhf(min_denormal));88}89 90TEST_F(LlvmLibcAtanhfTest, DAZMode) {91 ModifyMXCSR mxcsr(DAZ);92 93 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::atanhf(min_denormal));94}95 96TEST_F(LlvmLibcAtanhfTest, FTZDAZMode) {97 ModifyMXCSR mxcsr(FTZ | DAZ);98 99 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::atanhf(min_denormal));100}101 102#endif103