envi-code/SourceCode/Code2026/tg_shs/shs_geLib/TNumeric.cpp

//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TNumeric 类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TNumeric 类定义
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#include "StdAfx.h"
#include "TNumeric.h"

TNumeric::TNumeric(double dVal, double dPrec)
	: nValue(dVal), nPrec(dPrec)
{

}

TNumeric::~TNumeric()
{

}

int TNumeric::AsInt()
{
	// 取整数部分
	int iVal = (int)nValue;
	double fVal = nValue - iVal;
	if (fabs(fVal - 1.0) < nPrec)
	{
		iVal ++;
	}
	else if( fabs(fVal + 1.0) < nPrec)
	{
		iVal --;
	}

	return iVal;
}