// Copyright 2002 The Trustees of Indiana University.

 // Use, modification and distribution is subject to the Boost Software 

 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at

 // http://www.boost.org/LICENSE_1_0.txt)

 //  Boost.MultiArray Library

 //  Authors: Ronald Garcia

 //           Jeremy Siek

 //           Andrew Lumsdaine

 //  See http://www.boost.org/libs/multi_array for documentation.

 // 

 // reshape.cpp - testing reshaping functionality

 //

 /*

  * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.

 */

 #include "boost/multi_array.hpp"

 #include "boost/test/minimal.hpp"

 #include "boost/array.hpp"

 #include "boost/type.hpp"

 #ifdef __SYMBIAN32__

 #include "std_log_result.h"

 #define LOG_FILENAME_LINE __FILE__, __LINE__

 #endif

 int

 test_main(int,char*[])

 {

   const int ndims=3;

   typedef boost::multi_array<int,ndims> array;

   typedef boost::multi_array_ref<int,ndims> array_ref;

   typedef boost::const_multi_array_ref<int,ndims> const_array_ref;

   boost::array<array::size_type,ndims> dims = {{2,3,4}};

   boost::array<array::size_type,ndims> new_dims = {{4,3,2}};

   int data[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,

                  14,15,16,17,18,19,20,21,22,23};

   const int data_size=24;

   // Basic reshape test

   {

     array A(dims);

     A.assign(data,data+data_size);

     array_ref B(data,dims);

     const_array_ref C(data,dims);

     A.reshape(new_dims);

     B.reshape(new_dims);

     C.reshape(new_dims);

     int* ptr = data;

     for (array::index i = 0; i != 4; ++i)

       for (array::index j = 0; j != 3; ++j)

         for (array::index k = 0; k != 2; ++k) {

           BOOST_CHECK(A[i][j][k] == *ptr);

           BOOST_CHECK(B[i][j][k] == *ptr);

           BOOST_CHECK(C[i][j][k] == *ptr++);

         }

   }

   // Ensure that index bases are preserved over reshape

   {

     boost::array<array::index,ndims> bases = {{0, 1, -1}};

     array A(dims);

     A.assign(data,data+data_size);

     array_ref B(data,dims);

     const_array_ref C(data,dims);

     A.reindex(bases);

     B.reindex(bases);

     C.reindex(bases);

     A.reshape(new_dims);

     B.reshape(new_dims);

     C.reshape(new_dims);

     int* ptr = data;

     for (array::index i = 0; i != 4; ++i)

       for (array::index j = 1; j != 4; ++j)

         for (array::index k = -1; k != 1; ++k) {

           BOOST_CHECK(A[i][j][k] == *ptr);

           BOOST_CHECK(B[i][j][k] == *ptr);

           BOOST_CHECK(C[i][j][k] == *ptr++);

         }

   }

 #ifdef __SYMBIAN32__

 if(boost::minimal_test::errors_counter() != 0)

    assert_failed = true;

    	testResultXml("reshape");

 	close_log_file();

 #endif

   return boost::exit_success;

 }