src/libcompiler_builtins/compiler-rt/test/builtins/Unit/fixsfsivfp_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2
   3 //===-- fixsfsivfp_test.c - Test __fixsfsivfp -----------------------------===//
   4 //
   5 //                     The LLVM Compiler Infrastructure
   6 //
   7 // This file is dual licensed under the MIT and the University of Illinois Open
   8 // Source Licenses. See LICENSE.TXT for details.
   9 //
  10 //===----------------------------------------------------------------------===//
  11 //
  12 // This file tests __fixsfsivfp for the compiler_rt library.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <math.h>
  19
  20
  21 extern int __fixsfsivfp(float a);
  22
  23 #if __arm__ && __VFP_FP__
  24 int test__fixsfsivfp(float a)
  25 {
  26         int actual = __fixsfsivfp(a);
  27         int expected = a;
  28     if (actual != expected)
  29         printf("error in test__fixsfsivfp(%f) = %u, expected %u\n",
  30                a, actual, expected);
  31     return actual != expected;
  32 }
  33 #endif
  34
  35 int main()
  36 {
  37 #if __arm__ && __VFP_FP__
  38     if (test__fixsfsivfp(0.0))
  39         return 1;
  40     if (test__fixsfsivfp(1.0))
  41         return 1;
  42     if (test__fixsfsivfp(-1.0))
  43         return 1;
  44     if (test__fixsfsivfp(2147483647.0))
  45         return 1;
  46     if (test__fixsfsivfp(-2147483648.0))
  47         return 1;
  48     if (test__fixsfsivfp(65536.0))
  49         return 1;
  50 #else
  51     printf("skipped\n");
  52 #endif
  53     return 0;
  54 }