float.c

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/* Area:        ffi_call
   Purpose:     Check return value float.
   Limitations: none.
   PR:          none.
   Originator:  From the original ffitest.c  */
 
/* { dg-do run } */
 
#include "ffitest.h"
 
static int floating(int a, float b, double c, long double d)
{
  int i;
 
  i = (int) ((float)a/b + ((float)c/(float)d));
 
  return i;
}
 
int main (void)
{
  ffi_cif cif;
  ffi_type *args[MAX_ARGS];
  void *values[MAX_ARGS];
  ffi_arg rint;
 
  float f;
  signed int si1;
  double d;
  long double ld;
 
  args[0] = &ffi_type_sint;
  values[0] = &si1;
  args[1] = &ffi_type_float;
  values[1] = &f;
  args[2] = &ffi_type_double;
  values[2] = &d;
  args[3] = &ffi_type_longdouble;
  values[3] = &ld;
 
  /* Initialize the cif */
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
                     &ffi_type_sint, args) == FFI_OK);
 
  si1 = 6;
  f = 3.14159;
  d = (double)1.0/(double)3.0;
  ld = 2.71828182846L;
 
  floating (si1, f, d, ld);
 
  ffi_call(&cif, FFI_FN(floating), &rint, values);
 
  printf ("%d vs %d\n", (int)rint, floating (si1, f, d, ld));
 
  CHECK((int)rint == floating(si1, f, d, ld));
 
  exit (0);
}