1//===-- Unittests for sinhf16 ---------------------------------------------===//
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/fenv_macros.h"
10#include "src/__support/FPUtil/cast.h"
11#include "src/__support/libc_errno.h"
12#include "src/math/sinhf16.h"
13#include "test/UnitTest/FPMatcher.h"
14#include "test/UnitTest/Test.h"
15
16using LlvmLibcSinhf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;
17
18TEST_F(LlvmLibcSinhf16Test, SpecialNumbers) {
19 libc_errno = 0;
20
21 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::sinhf16(aNaN));
22 EXPECT_MATH_ERRNO(0);
23
24 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::sinhf16(sNaN), FE_INVALID);
25 EXPECT_MATH_ERRNO(0);
26
27 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::sinhf16(inf));
28 EXPECT_MATH_ERRNO(0);
29
30 EXPECT_FP_EQ_ALL_ROUNDING(neg_inf, LIBC_NAMESPACE::sinhf16(neg_inf));
31 EXPECT_MATH_ERRNO(0);
32
33 EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::sinhf16(zero));
34 EXPECT_MATH_ERRNO(0);
35
36 EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, LIBC_NAMESPACE::sinhf16(neg_zero));
37 EXPECT_MATH_ERRNO(0);
38}
39
40TEST_F(LlvmLibcSinhf16Test, Overflow) {
41 libc_errno = 0;
42
43 EXPECT_FP_EQ_WITH_EXCEPTION(inf, LIBC_NAMESPACE::sinhf16(max_normal),
44 FE_OVERFLOW | FE_INEXACT);
45 EXPECT_MATH_ERRNO(ERANGE);
46
47 EXPECT_FP_EQ_WITH_EXCEPTION(neg_inf, LIBC_NAMESPACE::sinhf16(neg_max_normal),
48 FE_OVERFLOW | FE_INEXACT);
49 EXPECT_MATH_ERRNO(ERANGE);
50
51 // round(asinh(2^16), HP, RU);
52 float16 x = LIBC_NAMESPACE::fputil::cast<float16>(0x1.794p+3);
53
54 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_NEAREST(inf, LIBC_NAMESPACE::sinhf16(x),
55 FE_OVERFLOW | FE_INEXACT);
56 EXPECT_MATH_ERRNO(ERANGE);
57
58 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_UPWARD(inf, LIBC_NAMESPACE::sinhf16(x),
59 FE_OVERFLOW | FE_INEXACT);
60 EXPECT_MATH_ERRNO(ERANGE);
61
62 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_DOWNWARD(
63 max_normal, LIBC_NAMESPACE::sinhf16(x), FE_INEXACT);
64 EXPECT_MATH_ERRNO(0);
65
66 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_TOWARD_ZERO(
67 max_normal, LIBC_NAMESPACE::sinhf16(x), FE_INEXACT);
68 EXPECT_MATH_ERRNO(0);
69
70 // round(asinh(-2^16), HP, RD);
71 x = LIBC_NAMESPACE::fputil::cast<float16>(-0x1.794p+3);
72
73 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_NEAREST(
74 neg_inf, LIBC_NAMESPACE::sinhf16(x), FE_OVERFLOW | FE_INEXACT);
75 EXPECT_MATH_ERRNO(ERANGE);
76
77 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_UPWARD(
78 neg_max_normal, LIBC_NAMESPACE::sinhf16(x), FE_INEXACT);
79 EXPECT_MATH_ERRNO(0);
80
81 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_DOWNWARD(
82 neg_inf, LIBC_NAMESPACE::sinhf16(x), FE_OVERFLOW | FE_INEXACT);
83 EXPECT_MATH_ERRNO(ERANGE);
84
85 EXPECT_FP_EQ_WITH_EXCEPTION_ROUNDING_TOWARD_ZERO(
86 neg_max_normal, LIBC_NAMESPACE::sinhf16(x), FE_INEXACT);
87 EXPECT_MATH_ERRNO(0);
88}
89

source code of libc/test/src/math/smoke/sinhf16_test.cpp