1//===-- subdf3vfp_test.c - Test __subdf3vfp -------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __subdf3vfp for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include <stdio.h>
15#include <stdlib.h>
16#include <math.h>
17
18
19#if __arm__
20extern double __subdf3vfp(double a, double b);
21
22int test__subdf3vfp(double a, double b)
23{
24    double actual = __subdf3vfp(a, b);
25    double expected = a - b;
26    if (actual != expected)
27        printf("error in test__subdf3vfp(%f, %f) = %f, expected %f\n",
28               a, b, actual, expected);
29    return actual != expected;
30}
31#endif
32
33int main()
34{
35#if __arm__
36    if (test__subdf3vfp(1.0, 1.0))
37        return 1;
38    if (test__subdf3vfp(1234.567, 765.4321))
39        return 1;
40    if (test__subdf3vfp(-123.0, -678.0))
41        return 1;
42    if (test__subdf3vfp(0.0, -0.0))
43        return 1;
44#else
45    printf("skipped\n");
46#endif
47    return 0;
48}
49