1 //===-- Unittests for tanf ------------------------------------------------===// 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/tanf.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 LlvmLibcTanfTest = LIBC_NAMESPACE::testing::FPTest<float>; 20 TEST_F(LlvmLibcTanfTest,SpecialNumbers)21TEST_F(LlvmLibcTanfTest, SpecialNumbers) { 22 LIBC_NAMESPACE::libc_errno = 0; 23 24 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::tanf(aNaN)); 25 EXPECT_MATH_ERRNO(0); 26 27 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::tanf(0.0f)); 28 EXPECT_MATH_ERRNO(0); 29 30 EXPECT_FP_EQ(-0.0f, LIBC_NAMESPACE::tanf(-0.0f)); 31 EXPECT_MATH_ERRNO(0); 32 33 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::tanf(inf)); 34 EXPECT_MATH_ERRNO(EDOM); 35 36 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::tanf(neg_inf)); 37 EXPECT_MATH_ERRNO(EDOM); 38 } 39