fei_MatrixTraits.hpp

/*--------------------------------------------------------------------*/
/*    Copyright 2005 Sandia Corporation.                              */
/*    Under the terms of Contract DE-AC04-94AL85000, there is a       */
/*    non-exclusive license for use of this work by or on behalf      */
/*    of the U.S. Government.  Export of this program may require     */
/*    a license from the United States Government.                    */
/*--------------------------------------------------------------------*/

#ifndef _fei_MatrixTraits_hpp_
#define _fei_MatrixTraits_hpp_

#include <fei_macros.hpp>

namespace fei {
  class Vector;

  template<typename T>
  struct MatrixTraits {

    static const char* typeName()
      { return("unsupported"); }

    static double* getBeginPointer(T* /*mat*/)
      {
        return NULL;
      }

    static int getOffset(T* /*mat*/, int /*row*/, int /*col*/)
      {
        return -1;
      }

    static int setValues(T* mat, double scalar)
      { return(-1); }

    static int getNumLocalRows(T* mat, int& numRows)
      { return(-1); }

    static int getRowLength(T* mat, int row, int& length)
      { return(-1); }

    static int copyOutRow(T* mat,
          int row, int len, double* coefs, int* indices)
      { return(-1); }

    static int putValuesIn(T* mat,
                           int numRows, const int* rows,
                           int numCols, const int* cols,
                           const double* const* values,
                           bool sum_into)
      { return(-1); }

    static int globalAssemble(T* A)
    { return(0); }

    static int matvec(T* A, fei::Vector* x, fei::Vector* y)
    { return(-1); }
  };//struct MatrixTraits

}//namespace fei

#endif // _fei_MatrixTraits_hpp_