1 //===-- extendsfdf2vfp_test.c - Test __extendsfdf2vfp ---------------------===//
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 __extendsfdf2vfp for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <math.h>
17 
18 
19 extern double __extendsfdf2vfp(float a);
20 
21 #if __arm__
test__extendsfdf2vfp(float a)22 int test__extendsfdf2vfp(float a)
23 {
24     double actual = __extendsfdf2vfp(a);
25     double expected = a;
26     if (actual != expected)
27         printf("error in test__extendsfdf2vfp(%f) = %f, expected %f\n",
28                a, actual, expected);
29     return actual != expected;
30 }
31 #endif
32 
main()33 int main()
34 {
35 #if __arm__
36     if (test__extendsfdf2vfp(0.0))
37         return 1;
38     if (test__extendsfdf2vfp(1.0))
39         return 1;
40     if (test__extendsfdf2vfp(-1.0))
41         return 1;
42     if (test__extendsfdf2vfp(3.1415926535))
43         return 1;
44 #endif
45     return 0;
46 }
47