test/Unit/ltdf2vfp_test.c

   1 //===-- ltdf2vfp_test.c - Test __ltdf2vfp ---------------------------------===//
   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 __ltdf2vfp for the compiler_rt library.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include <stdlib.h>
  15 #include <stdint.h>
  16 #include <stdio.h>
  17 #include <math.h>
  18
  19
  20 extern int __ltdf2vfp(double a, double b);
  21
  22 #if __arm__
  23 int test__ltdf2vfp(double a, double b)
  24 {
  25     int actual = __ltdf2vfp(a, b);
  26         int expected = (a < b) ? 1 : 0;
  27     if (actual != expected)
  28         printf("error in __ltdf2vfp(%f, %f) = %d, expected %d\n",
  29                a, b, actual, expected);
  30     return actual != expected;
  31 }
  32 #endif
  33
  34 int main()
  35 {
  36 #if __arm__
  37     if (test__ltdf2vfp(0.0, 0.0))
  38         return 1;
  39     if (test__ltdf2vfp(1.0, 1.0))
  40         return 1;
  41     if (test__ltdf2vfp(-1.0, -1.0))
  42         return 1;
  43     if (test__ltdf2vfp(HUGE_VAL, 1.0))
  44         return 1;
  45     if (test__ltdf2vfp(1.0, HUGE_VAL))
  46         return 1;
  47 #else
  48     printf("skipped\n");
  49 #endif
  50     return 0;
  51 }