83 lines · cpp
1//===-- Unittests for asinhf ----------------------------------------------===//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/math_macros.h"10#include "hdr/stdint_proxy.h"11#include "src/__support/FPUtil/FPBits.h"12#include "src/__support/macros/optimization.h"13#include "src/math/asinhf.h"14#include "test/UnitTest/FPMatcher.h"15#include "test/UnitTest/Test.h"16#include "utils/MPFRWrapper/MPFRUtils.h"17 18#ifdef LIBC_MATH_HAS_SKIP_ACCURATE_PASS19#define TOLERANCE 120#else21#define TOLERANCE 022#endif // LIBC_MATH_HAS_SKIP_ACCURATE_PASS23 24using LlvmLibcAsinhfTest = LIBC_NAMESPACE::testing::FPTest<float>;25 26namespace mpfr = LIBC_NAMESPACE::testing::mpfr;27 28TEST_F(LlvmLibcAsinhfTest, SpecialNumbers) {29 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::asinhf(aNaN));30 EXPECT_MATH_ERRNO(0);31 32 EXPECT_FP_EQ_ALL_ROUNDING(0.0f, LIBC_NAMESPACE::asinhf(0.0f));33 EXPECT_MATH_ERRNO(0);34 35 EXPECT_FP_EQ_ALL_ROUNDING(-0.0f, LIBC_NAMESPACE::asinhf(-0.0f));36 EXPECT_MATH_ERRNO(0);37 38 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::asinhf(inf));39 EXPECT_MATH_ERRNO(0);40 41 EXPECT_FP_EQ_ALL_ROUNDING(neg_inf, LIBC_NAMESPACE::asinhf(neg_inf));42 EXPECT_MATH_ERRNO(0);43}44 45TEST_F(LlvmLibcAsinhfTest, InFloatRange) {46 constexpr uint32_t COUNT = 1'001;47 constexpr uint32_t STEP = UINT32_MAX / COUNT;48 for (uint32_t i = 0, v = 0; i <= COUNT; ++i, v += STEP) {49 float x = FPBits(v).get_val();50 if (FPBits(v).is_nan() || FPBits(v).is_inf())51 continue;52 ASSERT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Asinh, x,53 LIBC_NAMESPACE::asinhf(x), 0.5);54 ASSERT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Asinh, -x,55 LIBC_NAMESPACE::asinhf(-x), 0.5);56 }57}58 59TEST_F(LlvmLibcAsinhfTest, SpecificBitPatterns) {60 constexpr int N = 11;61 constexpr uint32_t INPUTS[N] = {62 0x45abaf26, // |x| = 0x1.575e4cp12f63 0x49d29048, // |x| = 0x1.a5209p20f64 0x4bdd65a5, // |x| = 0x1.bacb4ap24f65 0x4c803f2c, // |x| = 0x1.007e58p26f66 0x4f8ffb03, // |x| = 0x1.1ff606p32f67 0x5c569e88, // |x| = 0x1.ad3d1p57f68 0x5e68984e, // |x| = 0x1.d1309cp61f69 0x655890d3, // |x| = 0x1.b121a6p75f70 0x65de7ca6, // |x| = 0x1.bcf94cp76f71 0x6eb1a8ec, // |x| = 0x1.6351d8p94f72 0x7997f30a, // |x| = 0x1.2fe614p116f73 };74 75 for (int i = 0; i < N; ++i) {76 float x = FPBits(INPUTS[i]).get_val();77 EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Asinh, x,78 LIBC_NAMESPACE::asinhf(x), TOLERANCE + 0.5);79 EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Asinh, -x,80 LIBC_NAMESPACE::asinhf(-x), TOLERANCE + 0.5);81 }82}83