test/src/math/smoke/asinf_test.cpp

//===-- Unittests for asinf -----------------------------------------------===//
//
// 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 "hdr/errno_macros.h"
#include "hdr/math_macros.h"
#include "src/__support/FPUtil/FPBits.h"
#include "src/math/asinf.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"

#include "hdr/stdint_proxy.h"

using LlvmLibcAsinfTest = LIBC_NAMESPACE::testing::FPTest<float>;

TEST_F(LlvmLibcAsinfTest, SpecialNumbers) {
  EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::asinf(sNaN), FE_INVALID);
  EXPECT_MATH_ERRNO(0);

  EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::asinf(aNaN));
  EXPECT_MATH_ERRNO(0);

  EXPECT_FP_EQ_ALL_ROUNDING(0.0f, LIBC_NAMESPACE::asinf(0.0f));
  EXPECT_MATH_ERRNO(0);

  EXPECT_FP_EQ_ALL_ROUNDING(-0.0f, LIBC_NAMESPACE::asinf(-0.0f));
  EXPECT_MATH_ERRNO(0);

  EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::asinf(inf));
  EXPECT_MATH_ERRNO(EDOM);

  EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::asinf(neg_inf));
  EXPECT_MATH_ERRNO(EDOM);

  EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::asinf(2.0f));
  EXPECT_MATH_ERRNO(EDOM);

  EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::asinf(-2.0f));
  EXPECT_MATH_ERRNO(EDOM);
}

#ifdef LIBC_TEST_FTZ_DAZ

using namespace LIBC_NAMESPACE::testing;

TEST_F(LlvmLibcAsinfTest, FTZMode) {
  ModifyMXCSR mxcsr(FTZ);

  EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::asinf(min_denormal));
}

TEST_F(LlvmLibcAsinfTest, DAZMode) {
  ModifyMXCSR mxcsr(DAZ);

  EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::asinf(min_denormal));
}

TEST_F(LlvmLibcAsinfTest, FTZDAZMode) {
  ModifyMXCSR mxcsr(FTZ | DAZ);

  EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::asinf(min_denormal));
}

#endif