d87eea35fa
This is the first step in preparation for: https://discourse.llvm.org/t/rfc-make-clang-builtin-math-functions-constexpr-with-llvm-libc-to-support-c-23-constexpr-math-functions/86450
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
//===-- Unittests for atanf16 ---------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception.
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//
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//===----------------------------------------------------------------------===//
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#include "src/__support/libc_errno.h"
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#include "src/math/atanf16.h"
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#include "test/UnitTest/FPMatcher.h"
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#include "test/UnitTest/Test.h"
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using LlvmLibcAtanf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;
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TEST_F(LlvmLibcAtanf16Test, SpecialNumbers) {
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libc_errno = 0;
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EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::atanf16(aNaN));
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EXPECT_MATH_ERRNO(0);
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EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::atanf16(sNaN), FE_INVALID);
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EXPECT_MATH_ERRNO(0);
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EXPECT_FP_EQ(zero, LIBC_NAMESPACE::atanf16(zero));
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EXPECT_MATH_ERRNO(0);
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EXPECT_FP_EQ(neg_zero, LIBC_NAMESPACE::atanf16(neg_zero));
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EXPECT_MATH_ERRNO(0);
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EXPECT_FP_EQ(0x1.92p0, LIBC_NAMESPACE::atanf16(inf));
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EXPECT_MATH_ERRNO(0);
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EXPECT_FP_EQ(-0x1.92p0, LIBC_NAMESPACE::atanf16(neg_inf));
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EXPECT_MATH_ERRNO(0);
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}
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