| 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 | |
| 18 | using LlvmLibcSinCosfTest = LIBC_NAMESPACE::testing::FPTest<float>; |
| 19 | |
| 20 | TEST_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 |