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/errno/libc_errno.h"
11 #include "src/math/acosf16.h"
12 #include "test/UnitTest/FPMatcher.h"
13 #include "test/UnitTest/Test.h"
14
15 using LlvmLibcAcosf16Test = LIBC_NAMESPACE::testing::FPTest<float16>;
16
TEST_F(LlvmLibcAcosf16Test,SpecialNumbers)17 TEST_F(LlvmLibcAcosf16Test, SpecialNumbers) {
18 LIBC_NAMESPACE::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