1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/* -*-c-*- */
#include "ffitest.h"
#include <complex.h>
static _Complex T_C_TYPE return_c(_Complex T_C_TYPE c)
{
printf ("%f,%fi\n", T_CONV creal (c), T_CONV cimag (c));
return 2 * c;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
_Complex T_C_TYPE c, rc, rc2;
T_C_TYPE cr, ci;
args[0] = &T_FFI_TYPE;
values[0] = &c;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&T_FFI_TYPE, args) == FFI_OK);
for (cr = -127.0; cr < 127; cr++)
{
ci = 1000.0 - cr;
c = cr + ci * I;
ffi_call(&cif, FFI_FN(return_c), &rc, values);
rc2 = return_c(c);
printf ("%f,%fi vs %f,%fi\n",
T_CONV creal (rc), T_CONV cimag (rc),
T_CONV creal (rc2), T_CONV cimag (rc2));
CHECK(rc == 2 * c);
}
exit(0);
}
|
