1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_floatunssidfvfp
3 //===-- floatunssidfvfp_test.c - Test __floatunssidfvfp -------------------===//
4 //
5 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
6 // See https://llvm.org/LICENSE.txt for license information.
7 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //
9 //===----------------------------------------------------------------------===//
10 //
11 // This file tests __floatunssidfvfp for the compiler_rt library.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "int_lib.h"
16 #include <stdio.h>
17 #include <stdlib.h>
18 #include <math.h>
19 
20 
21 extern COMPILER_RT_ABI double __floatunssidfvfp(unsigned int a);
22 
23 #if __arm__ && __VFP_FP__
24 int test__floatunssidfvfp(unsigned int a)
25 {
26     double actual = __floatunssidfvfp(a);
27     double expected = a;
28     if (actual != expected)
29         printf("error in test__floatunssidfvfp(%u) = %f, expected %f\n",
30                a, actual, expected);
31     return actual != expected;
32 }
33 #endif
34 
35 int main()
36 {
37 #if __arm__ && __VFP_FP__
38     if (test__floatunssidfvfp(0))
39         return 1;
40     if (test__floatunssidfvfp(1))
41         return 1;
42     if (test__floatunssidfvfp(0x7FFFFFFF))
43         return 1;
44     if (test__floatunssidfvfp(0x80000000))
45         return 1;
46     if (test__floatunssidfvfp(0xFFFFFFFF))
47         return 1;
48 #else
49     printf("skipped\n");
50 #endif
51     return 0;
52 }
53