2 Purpose: Check return value double.
5 Originator: <andreast@gcc.gnu.org> 20030828 */
10 static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
11 void* userdata __UNUSED__)
13 *(double *)resp = *(double *)args[0];
15 printf("%f: %f\n",*(double *)args[0],
18 typedef double (*cls_ret_double)(double);
24 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
25 ffi_type * cl_arg_types[2];
28 cl_arg_types[0] = &ffi_type_double;
29 cl_arg_types[1] = NULL;
31 /* Initialize the cif */
32 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
33 &ffi_type_double, cl_arg_types) == FFI_OK);
35 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_double_fn, NULL, code) == FFI_OK);
37 res = (*((cls_ret_double)code))(21474.789);
38 /* { dg-output "21474.789000: 21474.789000" } */
39 printf("res: %.6f\n", res);
40 /* { dg-output "\nres: 21474.789000" } */