/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*/
/*************************************************************
 *
 * INCLUDE: test_endian.cc
 *
 * MODULE:  raslib
 *
 * PURPOSE:
 *
 *
 * COMMENTS:
 *
 ************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iostream>


#ifdef EARLY_TEMPLATE
#define __EXECUTABLE__
#endif

#include "raslib/basetype.hh"
#include "raslib/primitivetype.hh"
#include "raslib/minterval.hh"
#include "raslib/rminit.hh"
#include "raslib/endian.hh"


RMINITGLOBALS('C')


static void print_numbers(const unsigned char *data, int size)
{
  int i;

  for (i=0; i<size; i++)
  {
    if ((i & 15) == 0)
    {
      if (i != 0)
	printf("\n");

      printf("%04x: ", i);
    }
    printf("%02x ", data[i]);
  }
  printf("\n"); fflush(stdout);
}

static void test_endian(const char *schema, const r_Minterval &dom)
{
  r_Base_Type *type;
  r_Primitive_Type *primType;
  unsigned char *srcArray;
  unsigned char *testArray;
  unsigned char *smallArray;
  unsigned long size;
  unsigned long smallSize;
  unsigned long i;

  cout << "test type <" << schema << ">" << endl;

  type = (r_Base_Type*)r_Type::get_any_type(schema);
  primType = (r_Primitive_Type*)r_Type::get_any_type("long");

  size = type->size() * dom.cell_count();

  srcArray = new unsigned char[size];

  for (i=0; i<size; i++)
    srcArray[i] = (unsigned char)(i & 0xff);

  r_Minterval iterDom(dom.dimension());
  for (i=0; i<dom.dimension(); i++)
    iterDom << r_Sinterval(dom[i].low(), (r_Range)(dom[i].low() + (dom[i].high() - dom[i].low() + 1) / 2));

  cout << "dom = " << dom << ", iterDom = " << iterDom << endl;

  print_numbers(srcArray, 64);

  smallSize = type->size() * iterDom.cell_count();

  testArray = new unsigned char[size];
  memset(testArray, 0, size);
  smallArray = new unsigned char[smallSize];
  memset(smallArray, 0, smallSize);

  cout << "Linear change..." << endl;
  r_Endian::swap_array(primType, size, srcArray, testArray);
  print_numbers(testArray, 64);

  cout << "Semi-generic change, full..." << endl;
  r_Endian::swap_array(type, dom, dom, srcArray, testArray);
  print_numbers(testArray, 64);
  
  cout << "Semi-generic change, half..." << endl;
  r_Endian::swap_array(type, dom, iterDom, srcArray, testArray);
  print_numbers(testArray, 64);

  cout << "Fully generic change, full..." << endl;
  r_Endian::swap_array(type, dom, dom, dom, dom, srcArray, testArray);
  print_numbers(testArray, 64);

  cout << "Fully generic change, half..." << endl;
  r_Endian::swap_array(type, dom, iterDom, iterDom, iterDom, srcArray, smallArray);
  print_numbers(smallArray, 64);

  delete type;
  delete primType;

  delete [] smallArray;
  delete [] testArray;
  delete [] srcArray;
}


int main(int argc, char *argv[])
{
  r_Minterval dom(2);

  dom << r_Sinterval((r_Range)0, (r_Range)123)
      << r_Sinterval((r_Range)10, (r_Range)456);

  test_endian("char", dom);
  test_endian("short", dom);
  test_endian("long", dom);
  test_endian("float", dom);
  test_endian("double", dom);
  test_endian("struct {short, short, long}", dom);

  return 0;
}