Subversion Repositories openrisc

/* Area:	ffi_call
   Purpose:	Check float arguments with different orders.
   Limitations:	none.
   PR:		none.
   Originator:	From the original ffitest.c  */
 
/* { dg-do run } */
 
#include "ffitest.h"
#include "float.h"
 
static double floating_1(float a, double b, long double c)
{
  return (double) a + b + (double) c;
}
 
static double floating_2(long double a, double b, float c)
{
  return (double) a + b + (double) c;
}
 
int main (void)
{
  ffi_cif cif;
  ffi_type *args[MAX_ARGS];
  void *values[MAX_ARGS];
  double rd;
 
  float f;
  double d;
  long double ld;
 
  args[0] = &ffi_type_float;
  values[0] = &f;
  args[1] = &ffi_type_double;
  values[1] = &d;
  args[2] = &ffi_type_longdouble;
  values[2] = &ld;
 
  /* Initialize the cif */
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
		     &ffi_type_double, args) == FFI_OK);
 
  f = 3.14159;
  d = (double)1.0/(double)3.0;
  ld = 2.71828182846L;
 
  floating_1 (f, d, ld);
 
  ffi_call(&cif, FFI_FN(floating_1), &rd, values);
 
  CHECK(rd - floating_1(f, d, ld) < DBL_EPSILON);
 
  args[0] = &ffi_type_longdouble;
  values[0] = &ld;
  args[1] = &ffi_type_double;
  values[1] = &d;
  args[2] = &ffi_type_float;
  values[2] = &f;
 
  /* Initialize the cif */
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
		     &ffi_type_double, args) == FFI_OK);
 
  floating_2 (ld, d, f);
 
  ffi_call(&cif, FFI_FN(floating_2), &rd, values);
 
  CHECK(rd - floating_2(ld, d, f) < DBL_EPSILON);
 
  exit (0);
}