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1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_truncdfsf2vfp
3 
4 #include "int_lib.h"
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <math.h>
8 
9 
10 extern COMPILER_RT_ABI float __truncdfsf2vfp(double a);
11 
12 #if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x8)
test__truncdfsf2vfp(double a)13 int test__truncdfsf2vfp(double a)
14 {
15     float actual = __truncdfsf2vfp(a);
16     float expected = a;
17     if (actual != expected)
18         printf("error in test__truncdfsf2vfp(%f) = %f, expected %f\n",
19                a, actual, expected);
20     return actual != expected;
21 }
22 #endif
23 
main()24 int main()
25 {
26 #if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x8)
27     if (test__truncdfsf2vfp(0.0))
28         return 1;
29     if (test__truncdfsf2vfp(1.0))
30         return 1;
31     if (test__truncdfsf2vfp(-1.0))
32         return 1;
33     if (test__truncdfsf2vfp(3.1415926535))
34         return 1;
35     if (test__truncdfsf2vfp(123.456))
36         return 1;
37 #else
38     printf("skipped\n");
39 #endif
40     return 0;
41 }
42