baseelement.cpp

一个计算悬臂梁的有限元vc源码

// BaseElement.cpp: implementation of the CBaseElement class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "afxtempl.h"
#include "fstream.h"
#include "Matrix.h"
#include "SparseMatrix.h"
#include "Node.h"
#include "BaseMaterial.h"
#include "BaseElement.h"

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

CNode* CBaseElement::m_pNode;
CTypedPtrArray <CPtrArray,CBaseMaterial*>* CBaseElement::m_papMaterial;

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CBaseElement::CBaseElement()
{

}

CBaseElement::~CBaseElement()
{
}

int CBaseElement::ReadInt(int &iCurCharPos, const CString &sData)
{
	int nCount,nLength;
	char cBuf,sBuf[50];

	nLength=sData.GetLength();
	cBuf=sData[iCurCharPos];
	while(cBuf<(char)43||cBuf>(char)57||cBuf==(char)44||cBuf==(char)47)
	{
		iCurCharPos++;
		if(iCurCharPos==nLength) return -1;
		cBuf=sData[iCurCharPos];
	}
	
	nCount=0;
	while((cBuf>=(char)48&&cBuf<=(char)57)||cBuf==(char)43||cBuf==(char)45)
	{
		sBuf[nCount]=cBuf;
		iCurCharPos++;
		cBuf=sData[iCurCharPos];
		nCount++;
	}
	sBuf[nCount]='\0';
	return atoi(sBuf);
}

double CBaseElement::ReadDouble(int &iCurCharPos, const CString &sData)
{
	char cBuf,sBuf[50],*sStopBuf;
	int nCount,nLength;
	
	nLength=sData.GetLength();
	cBuf=sData[iCurCharPos];
	while(cBuf<(char)43||cBuf>(char)57||cBuf==(char)44||cBuf==(char)47)
	{
		iCurCharPos++;
		if(iCurCharPos==nLength) return -1;
		cBuf=sData[iCurCharPos];
	}
	
	nCount=0;
	while((cBuf>=(char)48&&cBuf<=(char)57)||
		cBuf==(char)43||cBuf==(char)45||cBuf==(char)46||
		cBuf==(char)69||cBuf==(char)101)
	{
		sBuf[nCount]=cBuf;
		iCurCharPos++;
		if(iCurCharPos==nLength) break;
		cBuf=sData[iCurCharPos];
		nCount++;
	}
	sBuf[nCount]='\0';
	return strtod( sBuf, &sStopBuf );
}

int CBaseElement::GetMaterialIndex()
{
	return m_iMaterialIndex;
}