Ruby  2.7.1p83(2020-03-31revisiona0c7c23c9cec0d0ffcba012279cd652d28ad5bf3)
float3.c
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1 /* Area: ffi_call
2  Purpose: Check float arguments with different orders.
3  Limitations: none.
4  PR: none.
5  Originator: From the original ffitest.c */
6 
7 /* { dg-do run } */
8 
9 #include "ffitest.h"
10 #include "float.h"
11 
12 static double floating_1(float a, double b, long double c)
13 {
14  return (double) a + b + (double) c;
15 }
16 
17 static double floating_2(long double a, double b, float c)
18 {
19  return (double) a + b + (double) c;
20 }
21 
22 int main (void)
23 {
24  ffi_cif cif;
25  ffi_type *args[MAX_ARGS];
26  void *values[MAX_ARGS];
27  double rd;
28 
29  float f;
30  double d;
31  long double ld;
32 
33  args[0] = &ffi_type_float;
34  values[0] = &f;
35  args[1] = &ffi_type_double;
36  values[1] = &d;
37  args[2] = &ffi_type_longdouble;
38  values[2] = &ld;
39 
40  /* Initialize the cif */
42  &ffi_type_double, args) == FFI_OK);
43 
44  f = 3.14159;
45  d = (double)1.0/(double)3.0;
46  ld = 2.71828182846L;
47 
48  floating_1 (f, d, ld);
49 
50  ffi_call(&cif, FFI_FN(floating_1), &rd, values);
51 
52  CHECK(rd - floating_1(f, d, ld) < DBL_EPSILON);
53 
54  args[0] = &ffi_type_longdouble;
55  values[0] = &ld;
56  args[1] = &ffi_type_double;
57  values[1] = &d;
58  args[2] = &ffi_type_float;
59  values[2] = &f;
60 
61  /* Initialize the cif */
63  &ffi_type_double, args) == FFI_OK);
64 
65  floating_2 (ld, d, f);
66 
67  ffi_call(&cif, FFI_FN(floating_2), &rd, values);
68 
69  CHECK(rd - floating_2(ld, d, f) < DBL_EPSILON);
70 
71  exit (0);
72 }
DBL_EPSILON
#define DBL_EPSILON
Definition: numeric.c:61
double
double
Definition: rb_mjit_min_header-2.7.1.h:5884
large_tag::b
unsigned b
Definition: cls_struct_va1.c:20
large_tag::c
unsigned c
Definition: cls_struct_va1.c:21
ffitest.h
main
int main(void)
Definition: float3.c:22
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__))
ffi_call
void ffi_call(ffi_cif *cif, void(*fn)(void), void *rvalue, void **avalue)
Definition: ffi.c:813
large_tag::a
unsigned a
Definition: cls_struct_va1.c:19