48 lines · cpp
1//===-- Unittests for rsqrtf16 --------------------------------------------===//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/__support/FPUtil/cast.h"12#include "src/__support/macros/properties/architectures.h"13#include "src/math/rsqrtf16.h"14#include "test/UnitTest/FPMatcher.h"15#include "test/UnitTest/Test.h"16 17using LlvmLibcRsqrtf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;18using LIBC_NAMESPACE::fputil::cast;19 20TEST_F(LlvmLibcRsqrtf16Test, SpecialNumbers) {21 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::rsqrtf16(aNaN));22 EXPECT_MATH_ERRNO(0);23 24 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::rsqrtf16(sNaN), FE_INVALID);25 EXPECT_MATH_ERRNO(0);26 27 EXPECT_FP_EQ(inf, LIBC_NAMESPACE::rsqrtf16(zero));28 EXPECT_MATH_ERRNO(ERANGE);29 30 EXPECT_FP_EQ(neg_inf, LIBC_NAMESPACE::rsqrtf16(neg_zero));31 EXPECT_MATH_ERRNO(ERANGE);32 33 EXPECT_FP_EQ(34 LIBC_NAMESPACE::fputil::cast<float16>(1.0f),35 LIBC_NAMESPACE::rsqrtf16(LIBC_NAMESPACE::fputil::cast<float16>(1.0f)));36 EXPECT_MATH_ERRNO(0);37 38 EXPECT_FP_EQ(zero, LIBC_NAMESPACE::rsqrtf16(inf));39 EXPECT_MATH_ERRNO(0);40 41 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::rsqrtf16(neg_inf));42 EXPECT_MATH_ERRNO(EDOM);43 44 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::rsqrtf16(45 LIBC_NAMESPACE::fputil::cast<float16>(-2.0f)));46 EXPECT_MATH_ERRNO(EDOM);47}48