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/errno/libc_errno.h"
12 #include "src/math/sinhf16.h"
13 #include "test/UnitTest/FPMatcher.h"
14 #include "test/UnitTest/Test.h"
15
16 using LlvmLibcSinhf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;
17
TEST_F(LlvmLibcSinhf16Test,SpecialNumbers)18 TEST_F(LlvmLibcSinhf16Test, SpecialNumbers) {
19 LIBC_NAMESPACE::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
TEST_F(LlvmLibcSinhf16Test,Overflow)40 TEST_F(LlvmLibcSinhf16Test, Overflow) {
41 LIBC_NAMESPACE::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