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/* Area:        ffi_call

   Purpose:     Check return value double.

   Limitations: none.

   PR:          none.

   Originator:  <andreast@gcc.gnu.org> 20050212  */

/* { dg-do run } */

#include "ffitest.h"

static double return_dbl(double dbl)

{

  return 2 * dbl;

}

int main (void)

{

  ffi_cif cif;

  ffi_type *args[MAX_ARGS];

  void *values[MAX_ARGS];

  double dbl, rdbl;

  args[0] = &ffi_type_double;

  values[0] = &dbl;

  /* Initialize the cif */

  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,

                     &ffi_type_double, args) == FFI_OK);

  for (dbl = -127.3; dbl <  127; dbl++)

    {

      ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values);

      printf ("%f vs %f\n", rdbl, return_dbl(dbl));

      CHECK(rdbl == 2 * dbl);

    }

  exit(0);

}