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
19 using LlvmLibcSinCosfTest = LIBC_NAMESPACE::testing::FPTest<float>;
20
TEST_F(LlvmLibcSinCosfTest,SpecialNumbers)21 TEST_F(LlvmLibcSinCosfTest, SpecialNumbers) {
22 LIBC_NAMESPACE::libc_errno = 0;
23 float sin, cos;
24
25 LIBC_NAMESPACE::sincosf(aNaN, &sin, &cos);
26 EXPECT_FP_EQ(aNaN, cos);
27 EXPECT_FP_EQ(aNaN, sin);
28 EXPECT_MATH_ERRNO(0);
29
30 LIBC_NAMESPACE::sincosf(0.0f, &sin, &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(-0.0f, &sin, &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(inf, &sin, &cos);
41 EXPECT_FP_EQ(aNaN, cos);
42 EXPECT_FP_EQ(aNaN, sin);
43 EXPECT_MATH_ERRNO(EDOM);
44
45 LIBC_NAMESPACE::sincosf(neg_inf, &sin, &cos);
46 EXPECT_FP_EQ(aNaN, cos);
47 EXPECT_FP_EQ(aNaN, sin);
48 EXPECT_MATH_ERRNO(EDOM);
49 }
50