Ruby 2.7.6p219 (2022-04-12 revision c9c2245c0a25176072e02db9254f0e0c84c805cd)
return_fl.c
Go to the documentation of this file.
1/* Area: ffi_call
2 Purpose: Check return value float.
3 Limitations: none.
4 PR: none.
5 Originator: <andreast@gcc.gnu.org> 20050212 */
6
7/* { dg-do run } */
8#include "ffitest.h"
9
10static float return_fl(float fl)
11{
12 return 2 * fl;
13}
14int main (void)
15{
16 ffi_cif cif;
17 ffi_type *args[MAX_ARGS];
18 void *values[MAX_ARGS];
19 float fl, rfl;
20
21 args[0] = &ffi_type_float;
22 values[0] = &fl;
23
24 /* Initialize the cif */
26 &ffi_type_float, args) == FFI_OK);
27
28 for (fl = -127.0; fl < 127; fl++)
29 {
30 ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
31 printf ("%f vs %f\n", rfl, return_fl(fl));
32 CHECK(rfl == 2 * fl);
33 }
34 exit(0);
35}
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
#define CHECK(sub)
Definition: compile.c:448
#define MAX_ARGS
Definition: function.c:15
ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs, ffi_type *rtype, ffi_type **atypes)
Definition: prep_cif.c:226
int int int printf(const char *__restrict__,...) __attribute__((__format__(__printf__
void exit(int __status) __attribute__((__noreturn__))
int main(void)
Definition: return_fl.c:14