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// File math_Matrix.lxx
// lpa le 29/10/91

#include <Standard_DimensionError.hxx>
#include <math_Vector.hxx>

inline Standard_OStream& operator<<(Standard_OStream& o,
				    const math_Matrix& mat)
{
  mat.Dump(o);
  return o;
}

inline math_Matrix operator* (const Standard_Real Left,
			      const math_Matrix& Right) 
{
  return Right.Multiplied(Left);
}



inline Standard_Real& math_Matrix::Value(const Standard_Integer Row, 
					 const Standard_Integer Col)const
{
  Standard_RangeError_Raise_if(((Row < LowerRowIndex) || 
				(Row > UpperRowIndex) ||
				(Col < LowerColIndex) || 
				(Col > UpperColIndex)), " ");

  return Array(Row, Col);
}

inline Standard_Integer math_Matrix::RowNumber() const 
         { return UpperRowIndex - LowerRowIndex + 1; }

     // returns the row range of a matrix.

inline Standard_Integer math_Matrix::ColNumber() const 
         { return UpperColIndex - LowerColIndex + 1; }
 
     // returns the column range of a matrix.




inline Standard_Integer math_Matrix::LowerRow() const { return LowerRowIndex; }

     // returns the value of the Lower index of the row range of a matrix.

inline Standard_Integer math_Matrix::UpperRow () const { return UpperRowIndex;  }

     // returns the value of the Upper index of the row range of a matrix.

inline Standard_Integer math_Matrix::LowerCol() const { return LowerColIndex; }

     // returns the value of the Lower index of the column range of a matrix.

inline Standard_Integer math_Matrix::UpperCol()  const { return UpperColIndex;  }

     // returns the value of the Upper index of the column range of a matrix.

inline void math_Matrix::SetLower (const Standard_Integer LowerRow,
				   const Standard_Integer LowerCol) 
{
  SetLowerRow(LowerRow);
  SetLowerCol(LowerCol);
}