1//===-- Unittests for atanhf16 --------------------------------------------===//
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 "src/__support/FPUtil/cast.h"
10#include "src/__support/libc_errno.h"
11#include "src/math/atanhf16.h"
12#include "test/UnitTest/FPMatcher.h"
13#include "test/UnitTest/Test.h"
14
15using LlvmLibcAtanhf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;
16
17TEST_F(LlvmLibcAtanhf16Test, SpecialNumbers) {
18 libc_errno = 0;
19 EXPECT_FP_EQ_WITH_EXCEPTION_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::atanhf16(sNaN),
20 FE_INVALID);
21 EXPECT_MATH_ERRNO(0);
22
23 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::atanhf16(aNaN));
24 EXPECT_MATH_ERRNO(0);
25
26 EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::atanhf16(zero));
27 EXPECT_MATH_ERRNO(0);
28
29 EXPECT_FP_EQ_ALL_ROUNDING(neg_zero, LIBC_NAMESPACE::atanhf16(neg_zero));
30 EXPECT_MATH_ERRNO(0);
31
32 EXPECT_FP_EQ_WITH_EXCEPTION(
33 inf,
34 LIBC_NAMESPACE::atanhf16(LIBC_NAMESPACE::fputil::cast<float16>(1.0f)),
35 FE_DIVBYZERO);
36 EXPECT_MATH_ERRNO(ERANGE);
37
38 EXPECT_FP_EQ_WITH_EXCEPTION(
39 neg_inf,
40 LIBC_NAMESPACE::atanhf16(LIBC_NAMESPACE::fputil::cast<float16>(-1.0f)),
41 FE_DIVBYZERO);
42 EXPECT_MATH_ERRNO(ERANGE);
43
44 EXPECT_FP_IS_NAN_WITH_EXCEPTION(
45 LIBC_NAMESPACE::atanhf16(LIBC_NAMESPACE::fputil::cast<float16>(2.0f)),
46 FE_INVALID);
47 EXPECT_MATH_ERRNO(EDOM);
48
49 EXPECT_FP_IS_NAN_WITH_EXCEPTION(
50 LIBC_NAMESPACE::atanhf16(LIBC_NAMESPACE::fputil::cast<float16>(-2.0f)),
51 FE_INVALID);
52 EXPECT_MATH_ERRNO(EDOM);
53
54 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf16(inf), FE_INVALID);
55 EXPECT_MATH_ERRNO(EDOM);
56
57 EXPECT_FP_IS_NAN_WITH_EXCEPTION(LIBC_NAMESPACE::atanhf16(neg_inf),
58 FE_INVALID);
59 EXPECT_MATH_ERRNO(EDOM);
60}
61

source code of libc/test/src/math/smoke/atanhf16_test.cpp