| //===-- Unittests for atanhf ----------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "hdr/math_macros.h" |
| #include "src/__support/FPUtil/FPBits.h" |
| #include "src/errno/libc_errno.h" |
| #include "src/math/atanhf.h" |
| #include "test/UnitTest/FPMatcher.h" |
| #include "test/UnitTest/Test.h" |
| |
| #include <errno.h> |
| #include <stdint.h> |
| |
| using LlvmLibcAtanhfTest = LIBC_NAMESPACE::testing::FPTest<float>; |
| |
| TEST_F(LlvmLibcAtanhfTest, SpecialNumbers) { |
| LIBC_NAMESPACE::libc_errno = 0; |
| |
| // TODO: Strengthen errno,exception checks and remove these assert macros |
| // after new matchers/test fixtures are added, see: |
| // https://github.com/llvm/llvm-project/issues/90653 |
| LIBC_NAMESPACE::fputil::clear_except(FE_ALL_EXCEPT); |
| EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::atanhf(aNaN)); |
| // TODO: Uncomment these checks later, RoundingMode affects running |
| // tests in this way https://github.com/llvm/llvm-project/issues/90653. |
| // EXPECT_FP_EXCEPTION(0); |
| EXPECT_MATH_ERRNO(0); |
| |
| LIBC_NAMESPACE::fputil::clear_except(FE_ALL_EXCEPT); |
| EXPECT_FP_EQ_ALL_ROUNDING(0.0f, LIBC_NAMESPACE::atanhf(0.0f)); |
| // See above TODO |
| // EXPECT_FP_EXCEPTION(0); |
| EXPECT_MATH_ERRNO(0); |
| |
| LIBC_NAMESPACE::fputil::clear_except(FE_ALL_EXCEPT); |
| EXPECT_FP_EQ_ALL_ROUNDING(-0.0f, LIBC_NAMESPACE::atanhf(-0.0f)); |
| // See above TODO |
| // EXPECT_FP_EXCEPTION(0); |
| EXPECT_MATH_ERRNO(0); |
| |
| EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::atanhf(1.0f), FE_DIVBYZERO); |
| EXPECT_MATH_ERRNO(ERANGE); |
| |
| EXPECT_FP_EQ_WITH_EXCEPTION(neg_inf, LIBC_NAMESPACE::atanhf(-1.0f), |
| FE_DIVBYZERO); |
| EXPECT_MATH_ERRNO(ERANGE); |
| |
| auto bt = FPBits(1.0f); |
| bt.set_uintval(bt.uintval() + 1); |
| |
| EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(bt.get_val()), |
| FE_INVALID); |
| EXPECT_MATH_ERRNO(EDOM); |
| |
| bt.set_sign(Sign::NEG); |
| EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(bt.get_val()), |
| FE_INVALID); |
| EXPECT_MATH_ERRNO(EDOM); |
| |
| EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(2.0f), FE_INVALID); |
| EXPECT_MATH_ERRNO(EDOM); |
| |
| EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(-2.0f), FE_INVALID); |
| EXPECT_MATH_ERRNO(EDOM); |
| |
| EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(inf), FE_INVALID); |
| EXPECT_MATH_ERRNO(EDOM); |
| |
| bt.set_sign(Sign::NEG); |
| EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf(neg_inf), FE_INVALID); |
| EXPECT_MATH_ERRNO(EDOM); |
| } |