1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_floatunsitf
3 
4 #include "int_lib.h"
5 #include <stdio.h>
6 
7 #if __LDBL_MANT_DIG__ == 113
8 
9 #include "fp_test.h"
10 
11 COMPILER_RT_ABI long double __floatunsitf(su_int a);
12 
13 int test__floatunsitf(su_int a, uint64_t expectedHi, uint64_t expectedLo)
14 {
15     long double x = __floatunsitf(a);
16     int ret = compareResultLD(x, expectedHi, expectedLo);
17 
18     if (ret){
19         printf("error in test__floatunsitf(%u) = %.20Lf, "
20                "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
21     }
22     return ret;
23 }
24 
25 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
26 
27 #endif
28 
29 int main()
30 {
31 #if __LDBL_MANT_DIG__ == 113
32     if (test__floatunsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000), UINT64_C(0x0)))
33         return 1;
34     if (test__floatunsitf(0, UINT64_C(0x0), UINT64_C(0x0)))
35         return 1;
36     if (test__floatunsitf(0xffffffff, UINT64_C(0x401efffffffe0000), UINT64_C(0x0)))
37         return 1;
38     if (test__floatunsitf(0x12345678, UINT64_C(0x401b234567800000), UINT64_C(0x0)))
39         return 1;
40 
41 #else
42     printf("skipped\n");
43 
44 #endif
45     return 0;
46 }
47