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Viewing changes to testsuite/libffi.call/return_fl.c

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2008-04-04 21:20:12 UTC
  • Revision ID: james.westby@ubuntu.com-20080404212012-08zs514m24myu0bh
Tags: upstream-3.0.5
Import upstream version 3.0.5

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testsuite/libffi.call/return_fl.c
 
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/* Area:        ffi_call
 
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   Purpose:     Check return value float.
 
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   Limitations: none.
 
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   PR:          none.
 
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   Originator:  <andreast@gcc.gnu.org> 20050212  */
 
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/* { dg-do run } */
 
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#include "ffitest.h"
 
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static float return_fl(float fl)
 
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{
 
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  return 2 * fl;
 
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}
 
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int main (void)
 
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{
 
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  ffi_cif cif;
 
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  ffi_type *args[MAX_ARGS];
 
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  void *values[MAX_ARGS];
 
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  float fl, rfl;
 
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  args[0] = &ffi_type_float;
 
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  values[0] = &fl;
 
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  /* Initialize the cif */
 
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  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
 
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                     &ffi_type_float, args) == FFI_OK);
 
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  for (fl = -127.0; fl <  127; fl++)
 
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    {
 
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      ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
 
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      printf ("%f vs %f\n", rfl, return_fl(fl));
 
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      CHECK(rfl ==  2 * fl);
 
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    }
 
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  exit(0);
 
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}