test/Unit/negsf2vfp_test.c

   1 //===-- negsf2vfp_test.c - Test __negsf2vfp -------------------------------===//
   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 __negsf2vfp 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 __negsf2vfp(float a);
  20
  21 #if __arm__
  22 int test__negsf2vfp(float a)
  23 {
  24     float actual = __negsf2vfp(a);
  25     float expected = -a;
  26     if (actual != expected)
  27         printf("error in test__negsf2vfp(%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__negsf2vfp(1.0))
  37         return 1;
  38     if (test__negsf2vfp(HUGE_VALF))
  39         return 1;
  40     if (test__negsf2vfp(0.0))
  41         return 1;
  42     if (test__negsf2vfp(-1.0))
  43         return 1;
  44 #else
  45     printf("skipped\n");
  46 #endif
  47     return 0;
  48 }