42 lines · cpp
1//===-- Unittests for rsqrtf --------------------------------------------===//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-exception.6//7//===----------------------------------------------------------------------===//8 9#include "hdr/errno_macros.h"10#include "hdr/fenv_macros.h"11#include "src/math/rsqrtf.h"12#include "test/UnitTest/FPMatcher.h"13#include "test/UnitTest/Test.h"14 15using LlvmLibcRsqrtfTest = LIBC_NAMESPACE::testing::FPTest<float>;16 17TEST_F(LlvmLibcRsqrtfTest, SpecialNumbers) {18 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::rsqrtf(aNaN));19 EXPECT_MATH_ERRNO(0);20 21 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::rsqrtf(sNaN), FE_INVALID);22 EXPECT_MATH_ERRNO(0);23 24 EXPECT_FP_EQ(inf, LIBC_NAMESPACE::rsqrtf(zero));25 EXPECT_MATH_ERRNO(ERANGE);26 27 EXPECT_FP_EQ(neg_inf, LIBC_NAMESPACE::rsqrtf(neg_zero));28 EXPECT_MATH_ERRNO(ERANGE);29 30 EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::rsqrtf(1.0f));31 EXPECT_MATH_ERRNO(0);32 33 EXPECT_FP_EQ(zero, LIBC_NAMESPACE::rsqrtf(inf));34 EXPECT_MATH_ERRNO(0);35 36 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::rsqrtf(neg_inf));37 EXPECT_MATH_ERRNO(EDOM);38 39 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::rsqrtf(-2.0f));40 EXPECT_MATH_ERRNO(EDOM);41}42