Ruby  2.4.2p198(2017-09-14revision59899)
return_fl1.c
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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 
10 static float return_fl(float fl1, float fl2)
11 {
12  return fl1 + fl2;
13 }
14 int main (void)
15 {
16  ffi_cif cif;
17  ffi_type *args[MAX_ARGS];
18  void *values[MAX_ARGS];
19  float fl1, fl2, rfl;
20 
21  args[0] = &ffi_type_float;
22  args[1] = &ffi_type_float;
23  values[0] = &fl1;
24  values[1] = &fl2;
25 
26  /* Initialize the cif */
28  &ffi_type_float, args) == FFI_OK);
29  fl1 = 127.0;
30  fl2 = 128.0;
31 
32  ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
33  printf ("%f vs %f\n", rfl, return_fl(fl1, fl2));
34  CHECK(rfl == fl1 + fl2);
35  exit(0);
36 }
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
#define MAX_ARGS
Definition: function.c:15
int main(void)
Definition: return_fl1.c:14
#define CHECK(sub)
Definition: compile.c:408
static float return_fl(float fl1, float fl2)
Definition: return_fl1.c:10
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