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/errno/libc_errno.h"
12#include "src/math/sincosf.h"
13#include "test/UnitTest/FPMatcher.h"
14#include "test/UnitTest/Test.h"
15
16#include <errno.h>
17#include <stdint.h>
18
19using LlvmLibcSinCosfTest = LIBC_NAMESPACE::testing::FPTest<float>;
20
21TEST_F(LlvmLibcSinCosfTest, SpecialNumbers) {
22 LIBC_NAMESPACE::libc_errno = 0;
23 float sin, cos;
24
25 LIBC_NAMESPACE::sincosf(x: aNaN, sinx: &sin, cosx: &cos);
26 EXPECT_FP_EQ(aNaN, cos);
27 EXPECT_FP_EQ(aNaN, sin);
28 EXPECT_MATH_ERRNO(0);
29
30 LIBC_NAMESPACE::sincosf(x: 0.0f, sinx: &sin, cosx: &cos);
31 EXPECT_FP_EQ(1.0f, cos);
32 EXPECT_FP_EQ(0.0f, sin);
33 EXPECT_MATH_ERRNO(0);
34
35 LIBC_NAMESPACE::sincosf(x: -0.0f, sinx: &sin, cosx: &cos);
36 EXPECT_FP_EQ(1.0f, cos);
37 EXPECT_FP_EQ(-0.0f, sin);
38 EXPECT_MATH_ERRNO(0);
39
40 LIBC_NAMESPACE::sincosf(x: inf, sinx: &sin, cosx: &cos);
41 EXPECT_FP_EQ(aNaN, cos);
42 EXPECT_FP_EQ(aNaN, sin);
43 EXPECT_MATH_ERRNO(EDOM);
44
45 LIBC_NAMESPACE::sincosf(x: neg_inf, sinx: &sin, cosx: &cos);
46 EXPECT_FP_EQ(aNaN, cos);
47 EXPECT_FP_EQ(aNaN, sin);
48 EXPECT_MATH_ERRNO(EDOM);
49}
50

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