Viewing file:  cls_complex.inc (1.1 KB) -rw-r--r--
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/* -*-c-*- */
#include "ffitest.h"
#include <complex.h>
static void cls_ret_complex_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
void* userdata __UNUSED__)
{
_Complex T_C_TYPE *pa;
_Complex T_C_TYPE *pr;
pa = (_Complex T_C_TYPE *)args[0];
pr = (_Complex T_C_TYPE *)resp;
*pr = *pa;
printf("%.6f,%.6fi: %.6f,%.6fi\n",
T_CONV creal (*pa), T_CONV cimag (*pa),
T_CONV creal (*pr), T_CONV cimag (*pr));
}
typedef _Complex T_C_TYPE (*cls_ret_complex)(_Complex T_C_TYPE);
int main (void)
{
ffi_cif cif;
void *code;
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
ffi_type * cl_arg_types[2];
_Complex T_C_TYPE res;
cl_arg_types[0] = &T_FFI_TYPE;
cl_arg_types[1] = NULL;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&T_FFI_TYPE, cl_arg_types) == FFI_OK);
CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_complex_fn, NULL, code) == FFI_OK);
res = (*((cls_ret_complex)code))(0.125 + 128.0 * I);
printf("res: %.6f,%.6fi\n", T_CONV creal (res), T_CONV cimag (res));
CHECK (res == (0.125 + 128.0 * I));
exit(0);
}
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