1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
//===-- Unittests for cosf ------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "hdr/errno_macros.h"
#include "hdr/math_macros.h"
#include "hdr/stdint_proxy.h"
#include "src/__support/FPUtil/FPBits.h"
#include "src/math/cosf.h"
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
using LlvmLibcCosfTest = LIBC_NAMESPACE::testing::FPTest<float>;
TEST_F(LlvmLibcCosfTest, SpecialNumbers) {
EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, LIBC_NAMESPACE::cosf(sNaN), FE_INVALID);
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::cosf(aNaN));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::cosf(0.0f));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(1.0f, LIBC_NAMESPACE::cosf(-0.0f));
EXPECT_MATH_ERRNO(0);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::cosf(inf));
EXPECT_MATH_ERRNO(EDOM);
EXPECT_FP_EQ_ALL_ROUNDING(aNaN, LIBC_NAMESPACE::cosf(neg_inf));
EXPECT_MATH_ERRNO(EDOM);
}
#ifdef LIBC_TEST_FTZ_DAZ
using namespace LIBC_NAMESPACE::testing;
TEST_F(LlvmLibcCosfTest, FTZMode) {
ModifyMXCSR mxcsr(FTZ);
EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::cosf(min_denormal));
EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::cosf(max_denormal));
}
TEST_F(LlvmLibcCosfTest, DAZMode) {
ModifyMXCSR mxcsr(DAZ);
EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::cosf(min_denormal));
EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::cosf(max_denormal));
}
TEST_F(LlvmLibcCosfTest, FTZDAZMode) {
ModifyMXCSR mxcsr(FTZ | DAZ);
EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::cosf(min_denormal));
EXPECT_FP_EQ(1.0f, LIBC_NAMESPACE::cosf(max_denormal));
}
#endif
|
