| 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 | |
| 21 | TEST_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 |