fdf20941a8
Add tests for signaling NaNs, and fix function behavior for handling signaling NaN input. Fixes https://github.com/llvm/llvm-project/issues/124812
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
//===-- Unittests for sincos ----------------------------------------------===//
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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/math/sincos.h"
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#include "test/UnitTest/FPMatcher.h"
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#include "test/UnitTest/Test.h"
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using LlvmLibcSincosTest = LIBC_NAMESPACE::testing::FPTest<double>;
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TEST_F(LlvmLibcSincosTest, SpecialNumbers) {
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double sin_x, cos_x;
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LIBC_NAMESPACE::sincos(sNaN, &sin_x, &cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(aNaN, cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(aNaN, sin_x);
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EXPECT_MATH_ERRNO(0);
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LIBC_NAMESPACE::sincos(aNaN, &sin_x, &cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(aNaN, cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(aNaN, sin_x);
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LIBC_NAMESPACE::sincos(zero, &sin_x, &cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(1.0, cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(0.0, sin_x);
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LIBC_NAMESPACE::sincos(neg_zero, &sin_x, &cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(1.0, cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, sin_x);
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LIBC_NAMESPACE::sincos(inf, &sin_x, &cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(aNaN, cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(aNaN, sin_x);
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LIBC_NAMESPACE::sincos(neg_inf, &sin_x, &cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(aNaN, cos_x);
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EXPECT_FP_EQ_ALL_ROUNDING(aNaN, sin_x);
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LIBC_NAMESPACE::sincos(0x1.0p-28, &sin_x, &cos_x);
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EXPECT_FP_EQ(1.0, cos_x);
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EXPECT_FP_EQ(0x1.0p-28, sin_x);
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}
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