floatunsitf_test.c revision 00a7da1552bc8a69ccf529a831b4cd46853c77e9 
1//===--------------- floatunsitf_test.c - Test __floatunsitf --------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __floatunsitf for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include <stdio.h>
15
16#if __LDBL_MANT_DIG__ == 113
17
18#include "fp_test.h"
19
20long double __floatunsitf(unsigned int a);
21
22int test__floatunsitf(unsigned int a, uint64_t expectedHi, uint64_t expectedLo)
23{
24    long double x = __floatunsitf(a);
25    int ret = compareResultLD(x, expectedHi, expectedLo);
26
27    if (ret){
28        printf("error in test__floatunsitf(%u) = %.20Lf, "
29               "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
30    }
31    return ret;
32}
33
34char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
35
36#endif
37
38int main()
39{
40#if __LDBL_MANT_DIG__ == 113
41    if (test__floatunsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000), UINT64_C(0x0)))
42        return 1;
43    if (test__floatunsitf(0, UINT64_C(0x0), UINT64_C(0x0)))
44        return 1;
45    if (test__floatunsitf(0xffffffff, UINT64_C(0x401efffffffe0000), UINT64_C(0x0)))
46        return 1;
47    if (test__floatunsitf(0x12345678, UINT64_C(0x401b234567800000), UINT64_C(0x0)))
48        return 1;
49
50#else
51    printf("skipped\n");
52
53#endif
54    return 0;
55}
56