src/compiler-rt/test/builtins/Unit/truncdfsf2_test.c

   1 //===--------------- truncdfsf2_test.c - Test __truncdfsf2 ----------------===//
   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 __truncdfsf2 for the compiler_rt library.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include <stdio.h>
  15
  16 #include "fp_test.h"
  17
  18 float __truncdfsf2(double a);
  19
  20 int test__truncdfsf2(double a)
  21 {
  22     float actual = __truncdfsf2(a);
  23     float expected = a;
  24
  25     if (actual != expected) {
  26         printf("error in test__truncdfsf2(%lf) = %f, "
  27                "expected %f\n", a, actual, expected);
  28         return 1;
  29     }
  30     return 0;
  31 }
  32
  33 int main()
  34 {
  35     if (test__truncdfsf2(340282366920938463463374607431768211456.0))
  36         return 1;
  37     return 0;
  38 }