71 lines · cpp
1//===-- Unittests for sinf ------------------------------------------------===//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/__support/macros/optimization.h"14#include "src/math/sinf.h"15#include "test/UnitTest/FPMatcher.h"16#include "test/UnitTest/Test.h"17 18using LlvmLibcSinfTest = LIBC_NAMESPACE::testing::FPTest<float>;19 20TEST_F(LlvmLibcSinfTest, SpecialNumbers) {21 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::sinf(sNaN), FE_INVALID);22 EXPECT_MATH_ERRNO(0);23 24 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::sinf(aNaN));25 EXPECT_MATH_ERRNO(0);26 27 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinf(0.0f));28 EXPECT_MATH_ERRNO(0);29 30// When accuracy is not required, signed zeros might not be preserved.31#ifdef LIBC_MATH_HAS_SKIP_ACCURATE_PASS32 EXPECT_TRUE(0.0f == LIBC_NAMESPACE::sinf(-0.0f));33#else34 EXPECT_FP_EQ(-0.0f, LIBC_NAMESPACE::sinf(-0.0f));35 EXPECT_MATH_ERRNO(0);36#endif // LIBC_MATH_HAS_SKIP_ACCURATE_PASS37 38 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::sinf(inf));39 EXPECT_MATH_ERRNO(EDOM);40 41 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::sinf(neg_inf));42 EXPECT_MATH_ERRNO(EDOM);43}44 45#ifdef LIBC_TEST_FTZ_DAZ46 47using namespace LIBC_NAMESPACE::testing;48 49TEST_F(LlvmLibcSinfTest, FTZMode) {50 ModifyMXCSR mxcsr(FTZ);51 52 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinf(min_denormal));53 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinf(max_denormal));54}55 56TEST_F(LlvmLibcSinfTest, DAZMode) {57 ModifyMXCSR mxcsr(DAZ);58 59 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinf(min_denormal));60 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinf(max_denormal));61}62 63TEST_F(LlvmLibcSinfTest, FTZDAZMode) {64 ModifyMXCSR mxcsr(FTZ | DAZ);65 66 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinf(min_denormal));67 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinf(max_denormal));68}69 70#endif71