1  /* Area:	closure_call
       2     Purpose:	Check return value float.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	<andreast@gcc.gnu.org> 20030828	 */
       6  
       7  /* { dg-do run } */
       8  #include "ffitest.h"
       9  
      10  static void cls_ret_float_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
      11  			     void* userdata __UNUSED__)
      12   {
      13     *(float *)resp = *(float *)args[0];
      14  
      15     printf("%g: %g\n",*(float *)args[0],
      16  	  *(float *)resp);
      17   }
      18  
      19  typedef float (*cls_ret_float)(float);
      20  
      21  int main (void)
      22  {
      23    ffi_cif cif;
      24    void *code;
      25    ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
      26    ffi_type * cl_arg_types[2];
      27    float res;
      28  
      29    cl_arg_types[0] = &ffi_type_float;
      30    cl_arg_types[1] = NULL;
      31  
      32    /* Initialize the cif */
      33    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
      34  		     &ffi_type_float, cl_arg_types) == FFI_OK);
      35  
      36    CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_float_fn, NULL, code)  == FFI_OK);
      37    res = ((((cls_ret_float)code)(-2122.12)));
      38    /* { dg-output "\\-2122.12: \\-2122.12" } */
      39    printf("res: %.6f\n", res);
      40    /* { dg-output "\nres: \-2122.120117" } */
      41    exit(0);
      42  }