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//===-- Unittests for acosf -----------------------------------------------===//
//
// 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 "include/llvm-libc-macros/math-macros.h"
#include "src/__support/FPUtil/FPBits.h"
#include "src/errno/libc_errno.h"
#include "src/math/acosf.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
#include <errno.h>
#include <stdint.h>
using LlvmLibcAcosfTest = LIBC_NAMESPACE::testing::FPTest<float>;
TEST_F(LlvmLibcAcosfTest, SpecialNumbers) {
LIBC_NAMESPACE::libc_errno = 0;
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(aNaN));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(inf));
EXPECT_MATH_ERRNO(EDOM);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(neg_inf));
EXPECT_MATH_ERRNO(EDOM);
EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosf(1.0f));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(2.0f));
EXPECT_MATH_ERRNO(EDOM);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acosf(-2.0f));
EXPECT_MATH_ERRNO(EDOM);
}
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