1  /* Area:	ffi_call
       2     Purpose:	Check return value float.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	<andreast@gcc.gnu.org> 20050212  */
       6  
       7  /* { dg-do run } */
       8  #include "ffitest.h"
       9  
      10  static float return_fl(float fl)
      11  {
      12    return 2 * fl;
      13  }
      14  int main (void)
      15  {
      16    ffi_cif cif;
      17    ffi_type *args[MAX_ARGS];
      18    void *values[MAX_ARGS];
      19    float fl, rfl;
      20  
      21    args[0] = &ffi_type_float;
      22    values[0] = &fl;
      23  
      24    /* Initialize the cif */
      25    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
      26  		     &ffi_type_float, args) == FFI_OK);
      27  
      28    for (fl = -127.0; fl <  127; fl++)
      29      {
      30        ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
      31        printf ("%f vs %f\n", rfl, return_fl(fl));
      32        CHECK(rfl ==  2 * fl);
      33      }
      34    exit(0);
      35  }