extenddftf2_test.c
2.55 KB
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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_extenddftf2
//===--------------- extenddftf2_test.c - Test __extenddftf2 --------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file tests __extenddftf2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
COMPILER_RT_ABI long double __extenddftf2(double a);
int test__extenddftf2(double a, uint64_t expectedHi, uint64_t expectedLo)
{
long double x = __extenddftf2(a);
int ret = compareResultLD(x, expectedHi, expectedLo);
if (ret){
printf("error in test__extenddftf2(%f) = %.20Lf, "
"expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
}
return ret;
}
char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
#endif
int main()
{
#if __LDBL_MANT_DIG__ == 113
// qNaN
if (test__extenddftf2(makeQNaN64(),
UINT64_C(0x7fff800000000000),
UINT64_C(0x0)))
return 1;
// NaN
if (test__extenddftf2(makeNaN64(UINT64_C(0x7100000000000)),
UINT64_C(0x7fff710000000000),
UINT64_C(0x0)))
return 1;
// inf
if (test__extenddftf2(makeInf64(),
UINT64_C(0x7fff000000000000),
UINT64_C(0x0)))
return 1;
// zero
if (test__extenddftf2(0.0, UINT64_C(0x0), UINT64_C(0x0)))
return 1;
if (test__extenddftf2(0x1.23456789abcdefp+5,
UINT64_C(0x400423456789abcd),
UINT64_C(0xf000000000000000)))
return 1;
if (test__extenddftf2(0x1.edcba987654321fp-9,
UINT64_C(0x3ff6edcba9876543),
UINT64_C(0x2000000000000000)))
return 1;
if (test__extenddftf2(0x1.23456789abcdefp+45,
UINT64_C(0x402c23456789abcd),
UINT64_C(0xf000000000000000)))
return 1;
if (test__extenddftf2(0x1.edcba987654321fp-45,
UINT64_C(0x3fd2edcba9876543),
UINT64_C(0x2000000000000000)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}