negdf2vfp_test.c revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
1//===-- negdf2vfp_test.c - Test __negdf2vfp -------------------------------===//
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 __negdf2vfp for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include <stdio.h>
15#include <stdlib.h>
16#include <math.h>
17
18
19extern double __negdf2vfp(double a);
20
21#if __arm__
22int test__negdf2vfp(double a)
23{
24    double actual = __negdf2vfp(a);
25    double expected = -a;
26    if (actual != expected)
27        printf("error in test__negdf2vfp(%f) = %f, expected %f\n",
28               a, actual, expected);
29    return actual != expected;
30}
31#endif
32
33int main()
34{
35#if __arm__
36    if (test__negdf2vfp(1.0))
37        return 1;
38    if (test__negdf2vfp(HUGE_VALF))
39        return 1;
40    if (test__negdf2vfp(0.0))
41        return 1;
42    if (test__negdf2vfp(-1.0))
43        return 1;
44#else
45    printf("skipped\n");
46#endif
47    return 0;
48}
49