1// RUN: %clang_builtins %s %librt -o %t && %run %t
2// REQUIRES: librt_has_subsf3vfp
3
4#include "int_lib.h"
5#include <stdio.h>
6#include <stdlib.h>
7#include <math.h>
8
9
10extern COMPILER_RT_ABI float __subsf3vfp(float a, float b);
11
12#if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x4)
13int test__subsf3vfp(float a, float b)
14{
15 float actual = __subsf3vfp(a, b);
16 float expected = a - b;
17 if (actual != expected)
18 printf("error in test__subsf3vfp(%f, %f) = %f, expected %f\n",
19 a, b, actual, expected);
20 return actual != expected;
21}
22#endif
23
24int main()
25{
26#if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x4)
27 if (test__subsf3vfp(1.0, 1.0))
28 return 1;
29 if (test__subsf3vfp(1234.567, 765.4321))
30 return 1;
31 if (test__subsf3vfp(-123.0, -678.0))
32 return 1;
33 if (test__subsf3vfp(0.0, -0.0))
34 return 1;
35#else
36 printf(format: "skipped\n");
37#endif
38 return 0;
39}
40

source code of compiler-rt/test/builtins/Unit/subsf3vfp_test.c