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-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/asinhf.h"
13#include "test/UnitTest/FPMatcher.h"
14#include "test/UnitTest/Test.h"
15#include "utils/MPFRWrapper/MPFRUtils.h"
16
17#include <errno.h>
18#include <stdint.h>
19
20using LlvmLibcAsinhfTest = LIBC_NAMESPACE::testing::FPTest<float>;
21
22namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
23
24TEST_F(LlvmLibcAsinhfTest, SpecialNumbers) {
25 LIBC_NAMESPACE::libc_errno = 0;
26
27 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::asinhf(aNaN));
28 EXPECT_MATH_ERRNO(0);
29
30 EXPECT_FP_EQ_ALL_ROUNDING(0.0f, LIBC_NAMESPACE::asinhf(0.0f));
31 EXPECT_MATH_ERRNO(0);
32
33 EXPECT_FP_EQ_ALL_ROUNDING(-0.0f, LIBC_NAMESPACE::asinhf(-0.0f));
34 EXPECT_MATH_ERRNO(0);
35
36 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::asinhf(inf));
37 EXPECT_MATH_ERRNO(0);
38
39 EXPECT_FP_EQ_ALL_ROUNDING(neg_inf, LIBC_NAMESPACE::asinhf(neg_inf));
40 EXPECT_MATH_ERRNO(0);
41}
42
43TEST_F(LlvmLibcAsinhfTest, InFloatRange) {
44 constexpr uint32_t COUNT = 1'001;
45 constexpr uint32_t STEP = UINT32_MAX / COUNT;
46 for (uint32_t i = 0, v = 0; i <= COUNT; ++i, v += STEP) {
47 float x = FPBits(v).get_val();
48 if (isnan(x: x) || isinf(x: x))
49 continue;
50 ASSERT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Asinh, x,
51 LIBC_NAMESPACE::asinhf(x), 0.5);
52 ASSERT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Asinh, -x,
53 LIBC_NAMESPACE::asinhf(-x), 0.5);
54 }
55}
56
57TEST_F(LlvmLibcAsinhfTest, SpecificBitPatterns) {
58 constexpr int N = 11;
59 constexpr uint32_t INPUTS[N] = {
60 0x45abaf26, // |x| = 0x1.575e4cp12f
61 0x49d29048, // |x| = 0x1.a5209p20f
62 0x4bdd65a5, // |x| = 0x1.bacb4ap24f
63 0x4c803f2c, // |x| = 0x1.007e58p26f
64 0x4f8ffb03, // |x| = 0x1.1ff606p32f
65 0x5c569e88, // |x| = 0x1.ad3d1p57f
66 0x5e68984e, // |x| = 0x1.d1309cp61f
67 0x655890d3, // |x| = 0x1.b121a6p75f
68 0x65de7ca6, // |x| = 0x1.bcf94cp76f
69 0x6eb1a8ec, // |x| = 0x1.6351d8p94f
70 0x7997f30a, // |x| = 0x1.2fe614p116f
71 };
72
73 for (int i = 0; i < N; ++i) {
74 float x = FPBits(INPUTS[i]).get_val();
75 EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Asinh, x,
76 LIBC_NAMESPACE::asinhf(x), 0.5);
77 EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Asinh, -x,
78 LIBC_NAMESPACE::asinhf(-x), 0.5);
79 }
80}
81

source code of libc/test/src/math/asinhf_test.cpp