87 lines · cpp
1//===-- Unittests for coshf16 ---------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "hdr/errno_macros.h"10#include "hdr/fenv_macros.h"11#include "src/__support/FPUtil/cast.h"12#include "src/math/coshf16.h"13#include "test/UnitTest/FPMatcher.h"14#include "test/UnitTest/Test.h"15 16using LlvmLibcCoshf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;17 18TEST_F(LlvmLibcCoshf16Test, SpecialNumbers) {19 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::coshf16(aNaN));20 EXPECT_MATH_ERRNO(0);21 22 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::coshf16(sNaN), FE_INVALID);23 EXPECT_MATH_ERRNO(0);24 25 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::coshf16(inf));26 EXPECT_MATH_ERRNO(0);27 28 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::coshf16(neg_inf));29 EXPECT_MATH_ERRNO(0);30 31 EXPECT_FP_EQ_ALL_ROUNDING(LIBC_NAMESPACE::fputil::cast<float16>(1.0),32 LIBC_NAMESPACE::coshf16(zero));33 EXPECT_MATH_ERRNO(0);34 35 EXPECT_FP_EQ_ALL_ROUNDING(LIBC_NAMESPACE::fputil::cast<float16>(1.0),36 LIBC_NAMESPACE::coshf16(neg_zero));37 EXPECT_MATH_ERRNO(0);38}39 40TEST_F(LlvmLibcCoshf16Test, Overflow) {41 EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::coshf16(max_normal),42 FE_OVERFLOW | FE_INEXACT);43 EXPECT_MATH_ERRNO(ERANGE);44 45 EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::coshf16(neg_max_normal),46 FE_OVERFLOW | FE_INEXACT);47 EXPECT_MATH_ERRNO(ERANGE);48 49 // round(acosh(2^16), HP, RU);50 float16 x = LIBC_NAMESPACE::fputil::cast<float16>(0x1.794p+3);51 52 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_NEAREST(inf, LIBC_NAMESPACE::coshf16(x),53 FE_OVERFLOW | FE_INEXACT);54 EXPECT_MATH_ERRNO(ERANGE);55 56 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_UPWARD(inf, LIBC_NAMESPACE::coshf16(x),57 FE_OVERFLOW | FE_INEXACT);58 EXPECT_MATH_ERRNO(ERANGE);59 60 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_DOWNWARD(61 max_normal, LIBC_NAMESPACE::coshf16(x), FE_INEXACT);62 EXPECT_MATH_ERRNO(0);63 64 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_TOWARD_ZERO(65 max_normal, LIBC_NAMESPACE::coshf16(x), FE_INEXACT);66 EXPECT_MATH_ERRNO(0);67 68 // round(-acosh(2^16), HP, RD);69 x = LIBC_NAMESPACE::fputil::cast<float16>(-0x1.794p+3);70 71 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_NEAREST(inf, LIBC_NAMESPACE::coshf16(x),72 FE_OVERFLOW | FE_INEXACT);73 EXPECT_MATH_ERRNO(ERANGE);74 75 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_UPWARD(inf, LIBC_NAMESPACE::coshf16(x),76 FE_OVERFLOW | FE_INEXACT);77 EXPECT_MATH_ERRNO(ERANGE);78 79 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_DOWNWARD(80 max_normal, LIBC_NAMESPACE::coshf16(x), FE_INEXACT);81 EXPECT_MATH_ERRNO(0);82 83 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_TOWARD_ZERO(84 max_normal, LIBC_NAMESPACE::coshf16(x), FE_INEXACT);85 EXPECT_MATH_ERRNO(0);86}87