52 lines · cpp
1//===-- Unittests for hypotf ----------------------------------------------===//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 "HypotTest.h"10 11#include "src/math/hypotf.h"12 13using LlvmLibcHypotfTest = HypotTestTemplate<float>;14 15TEST_F(LlvmLibcHypotfTest, SpecialNumbers) {16 test_special_numbers(&LIBC_NAMESPACE::hypotf);17}18 19#ifdef LIBC_TEST_FTZ_DAZ20 21using namespace LIBC_NAMESPACE::testing;22 23TEST_F(LlvmLibcHypotfTest, FTZMode) {24 ModifyMXCSR mxcsr(FTZ);25 26 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, min_denormal));27 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, max_denormal));28 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, min_denormal));29 EXPECT_FP_EQ(0x1.6a09e4p-126f,30 LIBC_NAMESPACE::hypotf(max_denormal, max_denormal));31}32 33TEST_F(LlvmLibcHypotfTest, DAZMode) {34 ModifyMXCSR mxcsr(DAZ);35 36 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, min_denormal));37 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, max_denormal));38 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, min_denormal));39 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, max_denormal));40}41 42TEST_F(LlvmLibcHypotfTest, FTZDAZMode) {43 ModifyMXCSR mxcsr(FTZ | DAZ);44 45 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, min_denormal));46 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(min_denormal, max_denormal));47 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, min_denormal));48 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::hypotf(max_denormal, max_denormal));49}50 51#endif52