1//===-- Unittests for sinhf -----------------------------------------------===//
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/CPP/array.h"
11#include "src/__support/FPUtil/FPBits.h"
12#include "src/__support/libc_errno.h"
13#include "src/math/sinhf.h"
14#include "test/UnitTest/FPMatcher.h"
15#include "test/UnitTest/Test.h"
16
17#include <stdint.h>
18
19using LlvmLibcSinhfTest = LIBC_NAMESPACE::testing::FPTest<float>;
20
21TEST_F(LlvmLibcSinhfTest, SpecialNumbers) {
22 libc_errno = 0;
23
24 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::sinhf(sNaN), FE_INVALID);
25 EXPECT_MATH_ERRNO(0);
26
27 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::sinhf(aNaN));
28 EXPECT_MATH_ERRNO(0);
29
30 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinhf(0.0f));
31 EXPECT_MATH_ERRNO(0);
32
33 EXPECT_FP_EQ(-0.0f, LIBC_NAMESPACE::sinhf(-0.0f));
34 EXPECT_MATH_ERRNO(0);
35
36 EXPECT_FP_EQ(inf, LIBC_NAMESPACE::sinhf(inf));
37 EXPECT_MATH_ERRNO(0);
38
39 EXPECT_FP_EQ(neg_inf, LIBC_NAMESPACE::sinhf(neg_inf));
40 EXPECT_MATH_ERRNO(0);
41}
42
43// For small values, sinh(x) is x.
44TEST_F(LlvmLibcSinhfTest, SmallValues) {
45 float x = FPBits(uint32_t(0x17800000)).get_val();
46 float result = LIBC_NAMESPACE::sinhf(x);
47 EXPECT_FP_EQ(x, result);
48
49 x = FPBits(uint32_t(0x00400000)).get_val();
50 result = LIBC_NAMESPACE::sinhf(x);
51 EXPECT_FP_EQ(x, result);
52}
53
54TEST_F(LlvmLibcSinhfTest, Overflow) {
55 libc_errno = 0;
56 EXPECT_FP_EQ_WITH_EXCEPTION(
57 inf, LIBC_NAMESPACE::sinhf(FPBits(0x7f7fffffU).get_val()), FE_OVERFLOW);
58 EXPECT_MATH_ERRNO(ERANGE);
59
60 EXPECT_FP_EQ_WITH_EXCEPTION(
61 inf, LIBC_NAMESPACE::sinhf(FPBits(0x42cffff8U).get_val()), FE_OVERFLOW);
62 EXPECT_MATH_ERRNO(ERANGE);
63
64 EXPECT_FP_EQ_WITH_EXCEPTION(
65 inf, LIBC_NAMESPACE::sinhf(FPBits(0x42d00008U).get_val()), FE_OVERFLOW);
66 EXPECT_MATH_ERRNO(ERANGE);
67}
68
69#ifdef LIBC_TEST_FTZ_DAZ
70
71using namespace LIBC_NAMESPACE::testing;
72
73TEST_F(LlvmLibcSinhfTest, FTZMode) {
74 ModifyMXCSR mxcsr(FTZ);
75
76 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinhf(min_denormal));
77 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinhf(max_denormal));
78}
79
80TEST_F(LlvmLibcSinhfTest, DAZMode) {
81 ModifyMXCSR mxcsr(DAZ);
82
83 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinhf(min_denormal));
84 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinhf(max_denormal));
85}
86
87TEST_F(LlvmLibcSinhfTest, FTZDAZMode) {
88 ModifyMXCSR mxcsr(FTZ | DAZ);
89
90 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinhf(min_denormal));
91 EXPECT_FP_EQ(0.0f, LIBC_NAMESPACE::sinhf(max_denormal));
92}
93
94#endif
95

source code of libc/test/src/math/smoke/sinhf_test.cpp