src/compiler-rt/test/builtins/Unit/negdf2vfp_test.c

   1 //===-- negdf2vfp_test.c - Test __negdf2vfp -------------------------------===//
   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 __negdf2vfp for the compiler_rt library.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <math.h>
  17
  18
  19 extern COMPILER_RT_ABI double __negdf2vfp(double a);
  20
  21 #if __arm__
  22 int test__negdf2vfp(double a)
  23 {
  24     double actual = __negdf2vfp(a);
  25     double expected = -a;
  26     if (actual != expected)
  27         printf("error in test__negdf2vfp(%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__negdf2vfp(1.0))
  37         return 1;
  38     if (test__negdf2vfp(HUGE_VALF))
  39         return 1;
  40     if (test__negdf2vfp(0.0))
  41         return 1;
  42     if (test__negdf2vfp(-1.0))
  43         return 1;
  44 #else
  45     printf("skipped\n");
  46 #endif
  47     return 0;
  48 }