dynamicarray2d.cpp

来自「c++程序」· C++ 代码 · 共 46 行

// DynamicArray2D.cpp: Implementierung der Klasse CDynamicArray.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "DynamicArray2D.h"

//////////////////////////////////////////////////////////////////////
// Konstruktion/Destruktion
//////////////////////////////////////////////////////////////////////

CDynamicArray2D::CDynamicArray2D(unsigned int iDimension1, unsigned int iDimension2)
{
	// Declare a 2D array on the free store

	int i; int j;

	// Save the position of the array dimensions
	m_Dimension1 = iDimension1;
	m_Dimension2 = iDimension2;

	// First dimension
	m_Array = new float * [m_Dimension1];
	
	// Second dimension
	for (i=0; i<(int) m_Dimension1; ++i)
	{
		m_Array[i] = new float[m_Dimension2];
		
		// Init all fields with 0.0f
		for (j=0; j<(int) m_Dimension2; ++j)
			m_Array[i][j] = 0.0f;
	}
}

CDynamicArray2D::~CDynamicArray2D()
{
	// Remove the 2D array and all its sub arrays from the free store

	for (int i=0; i<(int) m_Dimension1; ++i)   
		delete[] m_Array[i];
		
	delete[] m_Array;
	m_Array = 0;
}