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

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 //===-- floatsidfvfp_test.c - Test __floatsidfvfp -------------------------===//
   3 //
   4 //                     The LLVM Compiler Infrastructure
   5 //
   6 // This file is dual licensed under the MIT and the University of Illinois Open
   7 // Source Licenses. See LICENSE.TXT for details.
   8 //
   9 //===----------------------------------------------------------------------===//
  10 //
  11 // This file tests __floatsidfvfp for the compiler_rt library.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "int_lib.h"
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <math.h>
  19
  20
  21 extern COMPILER_RT_ABI double __floatsidfvfp(int a);
  22
  23 #if __arm__ && __VFP_FP__
  24 int test__floatsidfvfp(int a)
  25 {
  26     double actual = __floatsidfvfp(a);
  27     double expected = a;
  28     if (actual != expected)
  29         printf("error in test__ floatsidfvfp(%d) = %f, expected %f\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__floatsidfvfp(0))
  39         return 1;
  40     if (test__floatsidfvfp(1))
  41         return 1;
  42     if (test__floatsidfvfp(-1))
  43         return 1;
  44     if (test__floatsidfvfp(0x7FFFFFFF))
  45         return 1;
  46     if (test__floatsidfvfp(0x80000000))
  47         return 1;
  48 #else
  49     printf("skipped\n");
  50 #endif
  51     return 0;
  52 }