src/compiler-rt/test/builtins/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 "int_lib.h"
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <math.h>
  18
  19
  20 extern COMPILER_RT_ABI float __negsf2vfp(float a);
  21
  22 #if __arm__
  23 int test__negsf2vfp(float a)
  24 {
  25     float actual = __negsf2vfp(a);
  26     float expected = -a;
  27     if (actual != expected)
  28         printf("error in test__negsf2vfp(%f) = %f, expected %f\n",
  29                a, actual, expected);
  30     return actual != expected;
  31 }
  32 #endif
  33
  34 int main()
  35 {
  36 #if __arm__
  37     if (test__negsf2vfp(1.0))
  38         return 1;
  39     if (test__negsf2vfp(HUGE_VALF))
  40         return 1;
  41     if (test__negsf2vfp(0.0))
  42         return 1;
  43     if (test__negsf2vfp(-1.0))
  44         return 1;
  45 #else
  46     printf("skipped\n");
  47 #endif
  48     return 0;
  49 }