1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
//===-- Unittests for acoshf ----------------------------------------------===//
//
// 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 "src/__support/FPUtil/FPBits.h"
#include "src/errno/libc_errno.h"
#include "src/math/acoshf.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
#include "utils/MPFRWrapper/MPFRUtils.h"
#include <math.h>
#include <errno.h>
#include <stdint.h>
using LlvmLibcAcoshfTest = LIBC_NAMESPACE::testing::FPTest<float>;
namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
TEST_F(LlvmLibcAcoshfTest, SpecialNumbers) {
libc_errno = 0;
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acoshf(aNaN));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acoshf(0.0f));
EXPECT_MATH_ERRNO(EDOM);
EXPECT_FP_EQ_ALL_ROUNDING(0.0f, LIBC_NAMESPACE::acoshf(1.0f));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::acoshf(inf));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::acoshf(neg_inf));
EXPECT_MATH_ERRNO(EDOM);
}
TEST_F(LlvmLibcAcoshfTest, InFloatRange) {
constexpr uint32_t COUNT = 100'000;
constexpr uint32_t STEP = UINT32_MAX / COUNT;
for (uint32_t i = 0, v = 0; i <= COUNT; ++i, v += STEP) {
float x = FPBits(v).get_val();
if (isnan(x) || isinf(x))
continue;
ASSERT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Acosh, x,
LIBC_NAMESPACE::acoshf(x), 0.5);
}
}
TEST_F(LlvmLibcAcoshfTest, SpecificBitPatterns) {
constexpr int N = 12;
constexpr uint32_t INPUTS[N] = {
0x3f800000, // x = 1.0f
0x45abaf26, // x = 0x1.575e4cp12f
0x49d29048, // x = 0x1.a5209p20f
0x4bdd65a5, // x = 0x1.bacb4ap24f
0x4c803f2c, // x = 0x1.007e58p26f
0x4f8ffb03, // x = 0x1.1ff606p32f
0x5c569e88, // x = 0x1.ad3d1p57f
0x5e68984e, // x = 0x1.d1309cp61f
0x655890d3, // x = 0x1.b121a6p75f
0x65de7ca6, // x = 0x1.bcf94cp76f
0x6eb1a8ec, // x = 0x1.6351d8p94f
0x7997f30a, // x = 0x1.2fe614p116f
};
for (int i = 0; i < N; ++i) {
float x = FPBits(INPUTS[i]).get_val();
EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Acosh, x,
LIBC_NAMESPACE::acoshf(x), 0.5);
}
}
|
