64 lines · cpp
1//===-- Unittests for cbrtf -----------------------------------------------===//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 "src/math/cbrtf.h"10#include "test/UnitTest/FPMatcher.h"11#include "test/UnitTest/Test.h"12 13using LlvmLibcCbrtfTest = LIBC_NAMESPACE::testing::FPTest<float>;14 15using LIBC_NAMESPACE::testing::tlog;16 17TEST_F(LlvmLibcCbrtfTest, SpecialNumbers) {18 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::cbrtf(sNaN), FE_INVALID);19 EXPECT_MATH_ERRNO(0);20 21 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::cbrtf(aNaN));22 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::cbrtf(inf));23 EXPECT_FP_EQ_ALL_ROUNDING(neg_inf, LIBC_NAMESPACE::cbrtf(neg_inf));24 EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::cbrtf(zero));25 EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, LIBC_NAMESPACE::cbrtf(neg_zero));26 EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::cbrtf(1.0f));27 EXPECT_FP_EQ_ALL_ROUNDING(-1.0f, LIBC_NAMESPACE::cbrtf(-1.0f));28 EXPECT_FP_EQ_ALL_ROUNDING(2.0f, LIBC_NAMESPACE::cbrtf(8.0f));29 EXPECT_FP_EQ_ALL_ROUNDING(-2.0f, LIBC_NAMESPACE::cbrtf(-8.0f));30 EXPECT_FP_EQ_ALL_ROUNDING(3.0f, LIBC_NAMESPACE::cbrtf(27.0f));31 EXPECT_FP_EQ_ALL_ROUNDING(-3.0f, LIBC_NAMESPACE::cbrtf(-27.0f));32 EXPECT_FP_EQ_ALL_ROUNDING(5.0f, LIBC_NAMESPACE::cbrtf(125.0f));33 EXPECT_FP_EQ_ALL_ROUNDING(-5.0f, LIBC_NAMESPACE::cbrtf(-125.0f));34 EXPECT_FP_EQ_ALL_ROUNDING(0x1.0p42f, LIBC_NAMESPACE::cbrtf(0x1.0p126f));35 EXPECT_FP_EQ_ALL_ROUNDING(-0x1.0p42f, LIBC_NAMESPACE::cbrtf(-0x1.0p126f));36}37 38#ifdef LIBC_TEST_FTZ_DAZ39 40using namespace LIBC_NAMESPACE::testing;41 42TEST_F(LlvmLibcCbrtfTest, FTZMode) {43 ModifyMXCSR mxcsr(FTZ);44 45 EXPECT_FP_EQ(0x1.428a3p-50f, LIBC_NAMESPACE::cbrtf(min_denormal));46 EXPECT_FP_EQ(0x1.fffffep-43f, LIBC_NAMESPACE::cbrtf(max_denormal));47}48 49TEST_F(LlvmLibcCbrtfTest, DAZMode) {50 ModifyMXCSR mxcsr(DAZ);51 52 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(min_denormal));53 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(max_denormal));54}55 56TEST_F(LlvmLibcCbrtfTest, FTZDAZMode) {57 ModifyMXCSR mxcsr(FTZ | DAZ);58 59 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(min_denormal));60 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(max_denormal));61}62 63#endif64