simplemath.cpp

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//
// SimpleMath.cpp : Implementation of CSimpleMath
//

#include "stdafx.h"
#include "Chapter5_Simple.h"
#include "SimpleMath.h"

//////////////////////
// CSimpleMath
//////////////////////

// IMath interface
STDMETHODIMP CSimpleMath::Add( long lOp1, long lOp2, long* pResult )
{
   *pResult = lOp1 + lOp2;
   return S_OK;
}

STDMETHODIMP CSimpleMath::Subtract( long lOp1, long lOp2, long* pResult )
{
   *pResult = lOp1 - lOp2;
   return S_OK;
}

STDMETHODIMP CSimpleMath::Multiply( long lOp1, long lOp2, long* pResult )
{
   *pResult = lOp1 * lOp2;
   return S_OK;
}

STDMETHODIMP CSimpleMath::Divide( long lOp1, long lOp2, long* pResult )
{
   *pResult = lOp1 / lOp2;
   return S_OK;
}