134 lines
3.7 KiB
C++
134 lines
3.7 KiB
C++
/*******************************************************************************
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Header: FGMatrix.h
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Author: Originally by Tony Peden [formatted and adapted here by Jon Berndt]
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Date started: Unknown
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HISTORY
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--------------------------------------------------------------------------------
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??/??/?? TP Created
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03/16/2000 JSB Added exception throwing
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********************************************************************************
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SENTRY
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*******************************************************************************/
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#ifndef FGMATRIX_H
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#define FGMATRIX_H
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/*******************************************************************************
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INCLUDES
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*******************************************************************************/
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#include <stdlib.h>
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#ifdef FGFS
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# include <simgear/compiler.h>
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# include STL_STRING
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# ifdef FG_HAVE_STD_INCLUDES
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# include <fstream>
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# else
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# include <fstream.h>
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# endif
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FG_USING_STD(string);
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#else
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# include <string>
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# include <fstream>
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#endif
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/*******************************************************************************
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FORWARD DECLARATIONS
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*******************************************************************************/
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class FGColumnVector;
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/*******************************************************************************
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DECLARATION: MatrixException
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*******************************************************************************/
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using namespace std;
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class MatrixException /* : public exception */
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{
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public:
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string Message;
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};
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/*******************************************************************************
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DECLARATION: FGMatrix
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*******************************************************************************/
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class FGMatrix
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{
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protected:
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double **data;
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private:
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unsigned int rows,cols;
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char delim;
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int width,prec,origin;
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void TransposeSquare(void);
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void TransposeNonSquare(void);
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unsigned int rowCtr, colCtr;
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public:
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FGMatrix(unsigned int r, unsigned int c);
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FGMatrix(const FGMatrix& A);
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~FGMatrix(void);
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FGMatrix& operator=(const FGMatrix& A);
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inline double& operator()(unsigned int row, unsigned int col) const {return data[row][col];}
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FGColumnVector operator*(const FGColumnVector& Col);
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unsigned int Rows(void) const;
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unsigned int Cols(void) const;
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void T(void);
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void InitMatrix(void);
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void InitMatrix(double value);
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FGMatrix operator-(const FGMatrix& B);
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FGMatrix operator+(const FGMatrix& B);
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FGMatrix operator*(const FGMatrix& B);
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FGMatrix operator/(const double scalar);
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FGMatrix& operator<<(const float ff);
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friend ostream& operator<<(ostream& os, const FGMatrix& M);
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friend istream& operator>>(istream& is, FGMatrix& M);
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void operator-=(const FGMatrix &B);
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void operator+=(const FGMatrix &B);
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void operator*=(const FGMatrix &B);
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void operator*=(const double scalar);
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void operator/=(const double scalar);
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friend FGMatrix operator*(double scalar,FGMatrix& A);
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void SetOParams(char delim,int width,int prec, int origin=0);
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};
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/*******************************************************************************
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DECLARATION: FGColumnVector
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*******************************************************************************/
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class FGColumnVector : public FGMatrix
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{
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public:
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FGColumnVector(void);
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FGColumnVector(int m);
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FGColumnVector(const FGColumnVector& b);
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~FGColumnVector();
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FGColumnVector operator*(const double scalar);
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FGColumnVector operator/(const double scalar);
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FGColumnVector operator+(const FGColumnVector& B);
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float Magnitude(void);
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FGColumnVector Normalize(void);
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friend FGColumnVector operator*(const double scalar, const FGColumnVector& A);
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double& operator()(int m) const;
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};
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/******************************************************************************/
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#endif
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