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/js/src/ctypes/libffi/testsuite/libffi.call/float.c

http://github.com/zpao/v8monkey
C | 59 lines | 37 code | 15 blank | 7 comment | 2 complexity | ace1fa30cb916c3d27b791dba947a912 MD5 | raw file
 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
11static 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
20int 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 */
42  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
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}