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 <stdint.h> 17 18 using LlvmLibcSinCosfTest = LIBC_NAMESPACE::testing::FPTest<float>; 19 20 TEST_F(LlvmLibcSinCosfTest, SpecialNumbers) { 21 LIBC_NAMESPACE::libc_errno = 0; 22 float sin, cos; 23 24 LIBC_NAMESPACE::sincosf(aNaN, &sin, &cos); 25 EXPECT_FP_EQ(aNaN, cos); 26 EXPECT_FP_EQ(aNaN, sin); 27 EXPECT_MATH_ERRNO(0); 28 29 LIBC_NAMESPACE::sincosf(0.0f, &sin, &cos); 30 EXPECT_FP_EQ(1.0f, cos); 31 EXPECT_FP_EQ(0.0f, 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(inf, &sin, &cos); 40 EXPECT_FP_EQ(aNaN, cos); 41 EXPECT_FP_EQ(aNaN, sin); 42 EXPECT_MATH_ERRNO(EDOM); 43 44 LIBC_NAMESPACE::sincosf(neg_inf, &sin, &cos); 45 EXPECT_FP_EQ(aNaN, cos); 46 EXPECT_FP_EQ(aNaN, sin); 47 EXPECT_MATH_ERRNO(EDOM); 48 } 49