test/Unit/truncdfsf2vfp_test.c

   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 }