1 /* Area: ffi_call
2 Purpose: Check return value double.
3 Limitations: none.
4 PR: none.
5 Originator: <andreast@gcc.gnu.org> 20050212 */
6
7 /* { dg-do run } */
8 #include "ffitest.h"
9
return_dbl(double dbl1,double dbl2,unsigned int in3,double dbl4)10 static double return_dbl(double dbl1, double dbl2, unsigned int in3, double dbl4)
11 {
12 return dbl1 + dbl2 + in3 + dbl4;
13 }
main(void)14 int main (void)
15 {
16 ffi_cif cif;
17 ffi_type *args[MAX_ARGS];
18 void *values[MAX_ARGS];
19 double dbl1, dbl2, dbl4, rdbl;
20 unsigned int in3;
21 args[0] = &ffi_type_double;
22 args[1] = &ffi_type_double;
23 args[2] = &ffi_type_uint;
24 args[3] = &ffi_type_double;
25 values[0] = &dbl1;
26 values[1] = &dbl2;
27 values[2] = &in3;
28 values[3] = &dbl4;
29
30 /* Initialize the cif */
31 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
32 &ffi_type_double, args) == FFI_OK);
33 dbl1 = 127.0;
34 dbl2 = 128.0;
35 in3 = 255;
36 dbl4 = 512.7;
37
38 ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values);
39 printf ("%f vs %f\n", rdbl, return_dbl(dbl1, dbl2, in3, dbl4));
40 CHECK(rdbl == dbl1 + dbl2 + in3 + dbl4);
41 exit(0);
42 }
43