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//===-- Unittests for cbrtf -----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/math/cbrtf.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
using LlvmLibcCbrtfTest = LIBC_NAMESPACE::testing::FPTest<float>;
using LIBC_NAMESPACE::testing::tlog;
TEST_F(LlvmLibcCbrtfTest, SpecialNumbers) {
EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::cbrtf(sNaN), FE_INVALID);
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::cbrtf(aNaN));
EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::cbrtf(inf));
EXPECT_FP_EQ_ALL_ROUNDING(neg_inf, LIBC_NAMESPACE::cbrtf(neg_inf));
EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::cbrtf(zero));
EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, LIBC_NAMESPACE::cbrtf(neg_zero));
EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::cbrtf(1.0f));
EXPECT_FP_EQ_ALL_ROUNDING(-1.0f, LIBC_NAMESPACE::cbrtf(-1.0f));
EXPECT_FP_EQ_ALL_ROUNDING(2.0f, LIBC_NAMESPACE::cbrtf(8.0f));
EXPECT_FP_EQ_ALL_ROUNDING(-2.0f, LIBC_NAMESPACE::cbrtf(-8.0f));
EXPECT_FP_EQ_ALL_ROUNDING(3.0f, LIBC_NAMESPACE::cbrtf(27.0f));
EXPECT_FP_EQ_ALL_ROUNDING(-3.0f, LIBC_NAMESPACE::cbrtf(-27.0f));
EXPECT_FP_EQ_ALL_ROUNDING(5.0f, LIBC_NAMESPACE::cbrtf(125.0f));
EXPECT_FP_EQ_ALL_ROUNDING(-5.0f, LIBC_NAMESPACE::cbrtf(-125.0f));
EXPECT_FP_EQ_ALL_ROUNDING(0x1.0p42f, LIBC_NAMESPACE::cbrtf(0x1.0p126f));
EXPECT_FP_EQ_ALL_ROUNDING(-0x1.0p42f, LIBC_NAMESPACE::cbrtf(-0x1.0p126f));
}
#ifdef LIBC_TEST_FTZ_DAZ
using namespace LIBC_NAMESPACE::testing;
TEST_F(LlvmLibcCbrtfTest, FTZMode) {
ModifyMXCSR mxcsr(FTZ);
EXPECT_FP_EQ(0x1.428a3p-50f, LIBC_NAMESPACE::cbrtf(min_denormal));
EXPECT_FP_EQ(0x1.fffffep-43f, LIBC_NAMESPACE::cbrtf(max_denormal));
}
TEST_F(LlvmLibcCbrtfTest, DAZMode) {
ModifyMXCSR mxcsr(DAZ);
EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(min_denormal));
EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(max_denormal));
}
TEST_F(LlvmLibcCbrtfTest, FTZDAZMode) {
ModifyMXCSR mxcsr(FTZ | DAZ);
EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(min_denormal));
EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::cbrtf(max_denormal));
}
#endif
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