Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
many.c
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1 /* Area: ffi_call
2  Purpose: Check return value float, with many arguments
3  Limitations: none.
4  PR: none.
5  Originator: From the original ffitest.c */
6 
7 /* { dg-do run } */
8 #include "ffitest.h"
9 
10 #include <stdlib.h>
11 #include <float.h>
12 #include <math.h>
13 
14 static float ABI_ATTR many(float f1, float f2, float f3, float f4, float f5, float f6, float f7, float f8, float f9, float f10, float f11, float f12, float f13)
15 {
16 #if 0
17  printf("%f %f %f %f %f %f %f %f %f %f %f %f %f\n",
18  (double) f1, (double) f2, (double) f3, (double) f4, (double) f5,
19  (double) f6, (double) f7, (double) f8, (double) f9, (double) f10,
20  (double) f11, (double) f12, (double) f13);
21 #endif
22 
23  return f1+f2+f3+f4+f5+f6+f7+f8+f9+f10+f11+f12+f13;
24 }
25 
26 int main (void)
27 {
28  ffi_cif cif;
29  ffi_type *args[13];
30  void *values[13];
31  float fa[13];
32  float f, ff;
33  int i;
34 
35  for (i = 0; i < 13; i++)
36  {
37  args[i] = &ffi_type_float;
38  values[i] = &fa[i];
39  fa[i] = (float) i;
40  }
41 
42  /* Initialize the cif */
43  CHECK(ffi_prep_cif(&cif, ABI_NUM, 13,
44  &ffi_type_float, args) == FFI_OK);
45 
46  ffi_call(&cif, FFI_FN(many), &f, values);
47 
48  ff = many(fa[0], fa[1],
49  fa[2], fa[3],
50  fa[4], fa[5],
51  fa[6], fa[7],
52  fa[8], fa[9],
53  fa[10],fa[11],fa[12]);
54 
55  if (fabs(f - ff) < FLT_EPSILON)
56  exit(0);
57  else
58  abort();
59 }
i
uint32_t i
Definition: rb_mjit_min_header-2.7.1.h:5464
abort
void abort(void) __attribute__((__noreturn__))
ABI_NUM
#define ABI_NUM
Definition: ffitest.h:35
ffitest.h
CHECK
#define CHECK(sub)
Definition: compile.c:448
fabs
double fabs(double)
f
#define f
ABI_ATTR
#define ABI_ATTR
Definition: ffitest.h:36
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
exit
void exit(int __status) __attribute__((__noreturn__))
main
int main(void)
Definition: many.c:26
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