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(unsigned int a);
12
test__floatunsitf(unsigned int a,uint64_t expectedHi,uint64_t expectedLo)13 int test__floatunsitf(unsigned 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
main()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