js/ctypes/libffi/testsuite/libffi.call/float.c
 author Dan Witte Wed, 23 Sep 2009 10:57:22 -0700 changeset 32998 eb97628a701b7c0673c9a7aa6ad83d8c0abe90cb permissions -rw-r--r--
Land jsctypes. b=513783, r=jorendorff, sr=bsmedberg.
```
/* Area:	ffi_call
Purpose:	Check return value float.
Limitations:	none.
PR:		none.
Originator:	From the original ffitest.c  */

/* { dg-do run } */

#include "ffitest.h"

static int floating(int a, float b, double c, long double d)
{
int i;

i = (int) ((float)a/b + ((float)c/(float)d));

return i;
}

int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
ffi_arg rint;

float f;
signed int si1;
double d;
long double ld;

args[0] = &ffi_type_sint;
values[0] = &si1;
args[1] = &ffi_type_float;
values[1] = &f;
args[2] = &ffi_type_double;
values[2] = &d;
args[3] = &ffi_type_longdouble;
values[3] = &ld;

/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
&ffi_type_sint, args) == FFI_OK);

si1 = 6;
f = 3.14159;
d = (double)1.0/(double)3.0;
ld = 2.71828182846L;

floating (si1, f, d, ld);

ffi_call(&cif, FFI_FN(floating), &rint, values);

printf ("%d vs %d\n", (int)rint, floating (si1, f, d, ld));

CHECK((int)rint == floating(si1, f, d, ld));

exit (0);
}
```