//?Matrix.cpp:?implementation?of?the?CMatrix?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“Matrix.h“

#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction?CMatrix
//////////////////////////////////////////////////////////////////////
IMPLEMENT_SERIAL（CMatrix?Cobject?1）?;

#ifdef?_DEBUG
int?CMatrix::m_NextobjectNumber?=?1?;
#endif

CMatrix::CMatrix（）
{
#ifdef?_DEBUG
	//?so?we?can?regonise?each?individual?object
	m_objectNumber?=?m_NextobjectNumber++?;
	TRACE（“Creating?CMatrix?object?%1d?-?default?constructor\n“?m_objectNumber）?;
#endif
	//?default?constructor?create?a?1?*?1?array
	m_NumColumns?=?1?;
	m_NumRows?=?1?;
	m_pData?=?NULL?;
	m_pData?=?AllocateMemory（m_NumColumns?m_NumRows）?;
	IncrementReferenceCount（）?;			//?count?the?reference?to?this?memory
}

CMatrix::CMatrix（const?CMatrix?&other）
{
#ifdef?_DEBUG
	//?so?we?can?regonise?each?individual?object
	m_objectNumber?=?m_NextobjectNumber++?;
	TRACE（“Creating?CMatrix?object?%1d?-?copy?constructor?other?=?%1d\n“?m_objectNumber?other.m_objectNumber）?;
#endif
	//?copy?constructor
	m_pData?=?NULL?;
	//?use?the?other?objects?data?pointer
	m_NumColumns?=?other.m_NumColumns?;
	m_NumRows?=?other.m_NumRows?;
	m_pData?=?other.m_pData?;				//?copy?the?pointer
	IncrementReferenceCount（）?;				//?this?thread?can?get?the?mutex?multiple?times?without?blocking
}

CMatrix::CMatrix（int?nCols?int?nRows）
{
#ifdef?_DEBUG
	//?so?we?can?regonise?each?individual?object
	m_objectNumber?=?m_NextobjectNumber++?;
	TRACE（“Creating?CMatrix?object?%1d?-?size?constructor\n“?m_objectNumber）?;
#endif
	//?size?constructor
	ASSERT（nCols?>?0）?;					//?matrix?size?error
	ASSERT（nRows?>?0）?;					//?matrix?size?error
	m_pData?=?NULL?;
	m_NumColumns?=?nCols?;
	m_NumRows?=?nRows?;
	m_pData?=?AllocateMemory（m_NumColumns?m_NumRows）?;
	IncrementReferenceCount（）?;				//?count?the?reference?to?this?memory
}

CMatrix::CMatrix（int?size?bool?set_diagonal）
{
	//?construct?a?square?matrix?with?1.0‘s?on?the?diagonal?if?required
#ifdef?_DEBUG
	//?so?we?can?regonise?each?individual?object
	m_objectNumber?=?m_NextobjectNumber++?;
	TRACE（“Creating?CMatrix?object?%1d?-?square?size?constructor\n“?m_objectNumber）?;
#endif
	//?size?constructor
	ASSERT（size?>?0）?;						//?matrix?size?error
	m_pData?=?NULL?;
	m_NumColumns?=?size?;
	m_NumRows?=?size?;
	m_pData?=?AllocateMemory（m_NumColumns?m_NumRows）?;
	IncrementReferenceCount（）?;				//?count?the?reference?to?this?memory
	//?set?the?dialognal?if?required
	if?（set_diagonal）
		{
		for?（int?i?=?0?;?i?			SetElement（i?i?1.0）?;
		}
}

//?creates?a?CMatrix?object?from?a?SafeArray?that?contains?a?2D?matrix
//?Note?that?you?will?probably?have?to?call?“VariantClear“?to?correctly?de-allocate
//?

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????35902??2011-10-21?11:45??Matrix.cpp
?????文件????????8674??2011-10-19?14:20??Matrix.h