Ruby  2.7.2p137(2020-10-01revision5445e0435260b449decf2ac16f9d09bae3cafe72)
float.c
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1 /* Area: ffi_call
2  Purpose: Check return value float.
3  Limitations: none.
4  PR: none.
5  Originator: From the original ffitest.c */
6 
7 /* { dg-do run } */
8 
9 #include "ffitest.h"
10 
11 static int floating(int a, float b, double c, long double d)
12 {
13  int i;
14 
15  i = (int) ((float)a/b + ((float)c/(float)d));
16 
17  return i;
18 }
19 
20 int main (void)
21 {
22  ffi_cif cif;
23  ffi_type *args[MAX_ARGS];
24  void *values[MAX_ARGS];
25  ffi_arg rint;
26 
27  float f;
28  signed int si1;
29  double d;
30  long double ld;
31 
32  args[0] = &ffi_type_sint;
33  values[0] = &si1;
34  args[1] = &ffi_type_float;
35  values[1] = &f;
36  args[2] = &ffi_type_double;
37  values[2] = &d;
38  args[3] = &ffi_type_longdouble;
39  values[3] = &ld;
40 
41  /* Initialize the cif */
43  &ffi_type_sint, args) == FFI_OK);
44 
45  si1 = 6;
46  f = 3.14159;
47  d = (double)1.0/(double)3.0;
48  ld = 2.71828182846L;
49 
50  floating (si1, f, d, ld);
51 
52  ffi_call(&cif, FFI_FN(floating), &rint, values);
53 
54  printf ("%d vs %d\n", (int)rint, floating (si1, f, d, ld));
55 
56  CHECK((int)rint == floating(si1, f, d, ld));
57 
58  exit (0);
59 }
ffi_arg
unsigned long ffi_arg
Definition: ffitarget.h:30
int
__inline__ int
Definition: rb_mjit_min_header-2.7.2.h:2845
i
uint32_t i
Definition: rb_mjit_min_header-2.7.2.h:5460
large_tag::b
unsigned b
Definition: cls_struct_va1.c:20
main
int main(void)
Definition: float.c:20
large_tag::c
unsigned c
Definition: cls_struct_va1.c:21
ffitest.h
rint
double rint(double)
CHECK
#define CHECK(sub)
Definition: compile.c:448
FFI_DEFAULT_ABI
@ FFI_DEFAULT_ABI
Definition: ffitarget.h:38
f
#define f
large_tag::d
unsigned d
Definition: cls_struct_va1.c:22
ffi_prep_cif
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
MAX_ARGS
#define MAX_ARGS
Definition: function.c:15
exit
void exit(int __status) __attribute__((__noreturn__))
printf
int int int printf(const char *__restrict,...) __attribute__((__format__(__printf__
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
double
double
Definition: rb_mjit_min_header-2.7.2.h:5919
large_tag::a
unsigned a
Definition: cls_struct_va1.c:19