1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_subdf3vfp
3
4 #include "int_lib.h"
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <math.h>
8
9
10 #if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x8)
11 extern COMPILER_RT_ABI double __subdf3vfp(double a, double b);
12
test__subdf3vfp(double a,double b)13 int test__subdf3vfp(double a, double b)
14 {
15 double actual = __subdf3vfp(a, b);
16 double expected = a - b;
17 if (actual != expected)
18 printf("error in test__subdf3vfp(%f, %f) = %f, expected %f\n",
19 a, b, 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__subdf3vfp(1.0, 1.0))
28 return 1;
29 if (test__subdf3vfp(1234.567, 765.4321))
30 return 1;
31 if (test__subdf3vfp(-123.0, -678.0))
32 return 1;
33 if (test__subdf3vfp(0.0, -0.0))
34 return 1;
35 #else
36 printf("skipped\n");
37 #endif
38 return 0;
39 }
40