1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 //===--------------- floatunsitf_test.c - Test __floatunsitf --------------===//
3 //
4 //                     The LLVM Compiler Infrastructure
5 //
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10 //
11 // This file tests __floatunsitf for the compiler_rt library.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "int_lib.h"
16 #include <stdio.h>
17 
18 #if __LDBL_MANT_DIG__ == 113
19 
20 #include "fp_test.h"
21 
22 COMPILER_RT_ABI long double __floatunsitf(unsigned int a);
23 
24 int test__floatunsitf(unsigned int a, uint64_t expectedHi, uint64_t expectedLo)
25 {
26     long double x = __floatunsitf(a);
27     int ret = compareResultLD(x, expectedHi, expectedLo);
28 
29     if (ret){
30         printf("error in test__floatunsitf(%u) = %.20Lf, "
31                "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
32     }
33     return ret;
34 }
35 
36 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
37 
38 #endif
39 
40 int main()
41 {
42 #if __LDBL_MANT_DIG__ == 113
43     if (test__floatunsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000), UINT64_C(0x0)))
44         return 1;
45     if (test__floatunsitf(0, UINT64_C(0x0), UINT64_C(0x0)))
46         return 1;
47     if (test__floatunsitf(0xffffffff, UINT64_C(0x401efffffffe0000), UINT64_C(0x0)))
48         return 1;
49     if (test__floatunsitf(0x12345678, UINT64_C(0x401b234567800000), UINT64_C(0x0)))
50         return 1;
51 
52 #else
53     printf("skipped\n");
54 
55 #endif
56     return 0;
57 }
58