1//===-- Unittests for acosf16 ---------------------------------------------===//
2//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception.
7//
8//===----------------------------------------------------------------------===//
9
10#include "src/__support/libc_errno.h"
11#include "src/math/acosf16.h"
12#include "test/UnitTest/FPMatcher.h"
13#include "test/UnitTest/Test.h"
14
15using LlvmLibcAcosf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;
16
17TEST_F(LlvmLibcAcosf16Test, SpecialNumbers) {
18 libc_errno = 0;
19 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::acosf16(aNaN));
20 EXPECT_MATH_ERRNO(0);
21
22 EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::acosf16(sNaN), FE_INVALID);
23 EXPECT_MATH_ERRNO(0);
24
25 EXPECT_FP_EQ(zero, LIBC_NAMESPACE::acosf16(1.0f));
26 EXPECT_MATH_ERRNO(0);
27
28 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::acosf16(inf));
29 EXPECT_MATH_ERRNO(EDOM);
30
31 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::acosf16(neg_inf));
32 EXPECT_MATH_ERRNO(EDOM);
33
34 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::acosf16(2.0f));
35 EXPECT_MATH_ERRNO(EDOM);
36
37 EXPECT_FP_EQ(aNaN, LIBC_NAMESPACE::acosf16(-2.0f));
38 EXPECT_MATH_ERRNO(EDOM);
39}
40

source code of libc/test/src/math/smoke/acosf16_test.cpp