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DerivStencil.H

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00051 
00052 #ifndef _DERIVSTENCIL_H_
00053 #define _DERIVSTENCIL_H_
00054 
00055 #include <iostream>
00056 #include <math.h>
00057 #include <assert.h>
00058 #include <stdlib.h>
00059 #include "REAL.H"
00060 #include "IntVect.H"
00061 #include "Vector.H"
00062 
00064 
00075 class DerivStencil
00076 {
00077 public:
00079   void define();
00080 
00082 
00084   bool isDefined() const
00085   {
00086     return isdefined;
00087   }
00088 
00090 
00093   DerivStencil();
00094 
00096 
00099   DerivStencil(const DerivStencil& a_dsin);
00100 
00102   ~DerivStencil();
00103 
00105 
00108   void clear();
00109 
00111 
00114   int size() const;
00115 
00117 
00120   const IntVect& getIndex(int a_ivec) const;
00121 
00123 
00126   const Real& getWeight(int a_ivec) const;
00127 
00129 
00134   void accumulate(const IntVect& a_iv,  Real a_weight);
00135 
00137 
00140   const DerivStencil& operator=(const DerivStencil& a_dsin);
00141 
00143 
00147   const DerivStencil& operator*=(Real a_facin);
00148 
00150 
00157   const DerivStencil& operator/=(Real a_denom);
00158 
00160 
00164   const DerivStencil& operator+=(Real a_facin);
00165 
00167 
00171   const DerivStencil& operator-=(Real a_facin);
00172 
00173 protected:
00175   Vector<IntVect> m_vectIV;
00177   Vector<Real>          m_vectWgt;
00179   bool isdefined;
00180 };
00181 
00182 #endif

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