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      1 //===-- truncdfsf2vfp_test.c - Test __truncdfsf2vfp -----------------------===//
      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 __truncdfsf2vfp for the compiler_rt library.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include <stdio.h>
     15 #include <stdlib.h>
     16 #include <math.h>
     17 
     18 
     19 extern float __truncdfsf2vfp(double a);
     20 
     21 #if __arm__
     22 int test__truncdfsf2vfp(double a)
     23 {
     24     float actual = __truncdfsf2vfp(a);
     25     float expected = a;
     26     if (actual != expected)
     27         printf("error in test__truncdfsf2vfp(%f) = %f, expected %f\n",
     28                a, actual, expected);
     29     return actual != expected;
     30 }
     31 #endif
     32 
     33 int main()
     34 {
     35 #if __arm__
     36     if (test__truncdfsf2vfp(0.0))
     37         return 1;
     38     if (test__truncdfsf2vfp(1.0))
     39         return 1;
     40     if (test__truncdfsf2vfp(-1.0))
     41         return 1;
     42     if (test__truncdfsf2vfp(3.1415926535))
     43         return 1;
     44     if (test__truncdfsf2vfp(123.456))
     45         return 1;
     46 #else
     47     printf("skipped\n");
     48 #endif
     49     return 0;
     50 }
     51