1//===-- Unittests for sincosf ---------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "hdr/math_macros.h"
10#include "src/__support/FPUtil/FPBits.h"
11#include "src/__support/libc_errno.h"
12#include "src/math/sincosf.h"
13#include "test/UnitTest/FPMatcher.h"
14#include "test/UnitTest/Test.h"
15
16#include <stdint.h>
17
18using LlvmLibcSinCosfTest = LIBC_NAMESPACE::testing::FPTest<float>;
19
20TEST_F(LlvmLibcSinCosfTest, SpecialNumbers) {
21 libc_errno = 0;
22 float sin, cos;
23
24 LIBC_NAMESPACE::sincosf(sNaN, &sin, &cos);
25 EXPECT_FP_EQ(aNaN, cos);
26 EXPECT_FP_EQ(aNaN, sin);
27 EXPECT_MATH_ERRNO(0);
28
29 LIBC_NAMESPACE::sincosf(aNaN, &sin, &cos);
30 EXPECT_FP_EQ(aNaN, cos);
31 EXPECT_FP_EQ(aNaN, sin);
32 EXPECT_MATH_ERRNO(0);
33
34 LIBC_NAMESPACE::sincosf(0.0f, &sin, &cos);
35 EXPECT_FP_EQ(1.0f, cos);
36 EXPECT_FP_EQ(0.0f, sin);
37 EXPECT_MATH_ERRNO(0);
38
39 LIBC_NAMESPACE::sincosf(-0.0f, &sin, &cos);
40 EXPECT_FP_EQ(1.0f, cos);
41 EXPECT_FP_EQ(-0.0f, sin);
42 EXPECT_MATH_ERRNO(0);
43
44 LIBC_NAMESPACE::sincosf(inf, &sin, &cos);
45 EXPECT_FP_EQ(aNaN, cos);
46 EXPECT_FP_EQ(aNaN, sin);
47 EXPECT_MATH_ERRNO(EDOM);
48
49 LIBC_NAMESPACE::sincosf(neg_inf, &sin, &cos);
50 EXPECT_FP_EQ(aNaN, cos);
51 EXPECT_FP_EQ(aNaN, sin);
52 EXPECT_MATH_ERRNO(EDOM);
53}
54

source code of libc/test/src/math/smoke/sincosf_test.cpp