1 //===-- Unittests for coshf -----------------------------------------------===//
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/math_macros.h"
10 #include "src/__support/CPP/array.h"
11 #include "src/__support/FPUtil/FPBits.h"
12 #include "src/errno/libc_errno.h"
13 #include "src/math/coshf.h"
14 #include "test/UnitTest/FPMatcher.h"
15 #include "test/UnitTest/Test.h"
16
17 #include <errno.h>
18 #include <stdint.h>
19
20 using LlvmLibcCoshfTest = LIBC_NAMESPACE::testing::FPTest<float>;
21
TEST_F(LlvmLibcCoshfTest,SpecialNumbers)22 TEST_F(LlvmLibcCoshfTest, SpecialNumbers) {
23 LIBC_NAMESPACE::libc_errno = 0;
24
25 EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::coshf(aNaN));
26 EXPECT_MATH_ERRNO(0);
27
28 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::coshf(inf));
29 EXPECT_MATH_ERRNO(0);
30
31 EXPECT_FP_EQ_ALL_ROUNDING(inf, LIBC_NAMESPACE::coshf(neg_inf));
32 EXPECT_MATH_ERRNO(0);
33
34 EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::coshf(0.0f));
35 EXPECT_MATH_ERRNO(0);
36
37 EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::coshf(-0.0f));
38 EXPECT_MATH_ERRNO(0);
39 }
40
TEST_F(LlvmLibcCoshfTest,Overflow)41 TEST_F(LlvmLibcCoshfTest, Overflow) {
42 LIBC_NAMESPACE::libc_errno = 0;
43 EXPECT_FP_EQ_WITH_EXCEPTION(
44 inf, LIBC_NAMESPACE::coshf(FPBits(0x7f7fffffU).get_val()), FE_OVERFLOW);
45 EXPECT_MATH_ERRNO(ERANGE);
46
47 EXPECT_FP_EQ_WITH_EXCEPTION(
48 inf, LIBC_NAMESPACE::coshf(FPBits(0x42cffff8U).get_val()), FE_OVERFLOW);
49 EXPECT_MATH_ERRNO(ERANGE);
50
51 EXPECT_FP_EQ_WITH_EXCEPTION(
52 inf, LIBC_NAMESPACE::coshf(FPBits(0x42d00008U).get_val()), FE_OVERFLOW);
53 EXPECT_MATH_ERRNO(ERANGE);
54 }
55