itkarraytest.cxx

DTMK软件开发包,此为开源软件,是一款很好的医学图像开发资源.

/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkArrayTest.cxx,v $
  Language:  C++
  Date:      $Date: 2006-06-26 17:22:53 $
  Version:   $Revision: 1.22 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif

#include <iostream>

#include "itkArray.h"

// Explicit instantiation to make sure all methods are compiled.
#ifndef ITK_EXPLICIT_INSTANTIATION
  template class itk::Array<float>;
#endif

int itkArrayTest(int, char* [] )
{

  typedef itk::Array<float>  FloatArrayType;
  typedef itk::Array<double> DoubleArrayType;

  FloatArrayType  fa(10);
  DoubleArrayType da(10);

/** 
 * The following section tests the functionality of the Array's
 * memory management.
 */

  //
  // Create an itk::Array which manages its own memory
  //
  FloatArrayType myOwnBoss;
  myOwnBoss.SetSize( 5 );
  myOwnBoss.Fill( 2.0 );

  //
  // Create an itk::Array which does not manage its own memory
  //
  const unsigned int n = 7;
  float buffer[n];
  FloatArrayType notMyOwnBoss;
  notMyOwnBoss.SetSize( n );
  notMyOwnBoss.SetData( buffer, false );
  notMyOwnBoss.Fill( 4.0 );

  FloatArrayType notMyOwnBossToo;
  notMyOwnBossToo.SetSize( n );
  notMyOwnBossToo.SetData( buffer, false );

  //
  // Copy an itk::Array which manages its own memory
  //
  FloatArrayType test1;
  test1 = myOwnBoss;
  std::cout << test1 << std::endl;

  //
  // Copy an itk::Array which does not manage its own memory
  //
  FloatArrayType test2;
  test2 = notMyOwnBoss;
  std::cout << test2 << std::endl;

  //
  // Testing itk::Array
  // which does not manage its own memory copying an itk::Array
  // which does.
  //
  notMyOwnBoss = myOwnBoss;
  std::cout << notMyOwnBoss << std::endl;

  // 
  // Calling SetSize with an argument same as the current
  // size
  //
  notMyOwnBossToo.SetSize( notMyOwnBossToo.GetSize() );

// 
  // Calling SetSize with an argument different to the current
  // size
  //
  notMyOwnBossToo.SetSize( notMyOwnBossToo.GetSize() + 1 );
  notMyOwnBossToo.Fill( 6.0 );
  std::cout << notMyOwnBossToo << std::endl;

  // Exercise operator=( VnlVectorType& )
  test2 = test1;

  return EXIT_SUCCESS;

}