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Contents
/* Area: ffi_call
Purpose: Check return value double.
Limitations: none.
PR: none.
Originator: <andreast@gcc.gnu.org> 20050212 */
/* { dg-do run } */
#include "ffitest.h"
static double return_dbl(double dbl1, double dbl2, unsigned int in3, double dbl4)
{
return dbl1 + dbl2 + in3 + dbl4;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
double dbl1, dbl2, dbl4, rdbl;
unsigned int in3;
args[0] = &ffi_type_double;
args[1] = &ffi_type_double;
args[2] = &ffi_type_uint;
args[3] = &ffi_type_double;
values[0] = &dbl1;
values[1] = &dbl2;
values[2] = &in3;
values[3] = &dbl4;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
&ffi_type_double, args) == FFI_OK);
dbl1 = 127.0;
dbl2 = 128.0;
in3 = 255;
dbl4 = 512.7;
ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values);
printf ("%f vs %f\n", rdbl, return_dbl(dbl1, dbl2, in3, dbl4));
CHECK(rdbl == dbl1 + dbl2 + in3 + dbl4);
exit(0);
}
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