src/FDM/JSBSim/FGColumnVector4.h

   1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   2
   3 Header: FGColumnVector4.h
   4 Author: Originally by Tony Peden [formatted and adapted here by Jon Berndt]
   5 Date started: Unknown
   6
   7 HISTORY
   8 --------------------------------------------------------------------------------
   9
  10 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  11 SENTRY
  12 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  13
  14 #ifndef FGCOLUMNVECTOR4_H
  15 #define FGCOLUMNVECTOR4_H
  16
  17 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  18 INCLUDES
  19 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  20
  21 #include <stdlib.h>
  22 #ifdef FGFS
  23 #  include <math.h>
  24 #  include <simgear/compiler.h>
  25 #  include STL_STRING
  26 #  include STL_FSTREAM
  27 #  include STL_IOSTREAM
  28    SG_USING_STD(string);
  29    SG_USING_STD(ostream);
  30    SG_USING_STD(istream);
  31    SG_USING_STD(cerr);
  32    SG_USING_STD(cout);
  33    SG_USING_STD(endl);
  34 #else
  35 #  include <string>
  36 #  if defined (sgi) && !defined(__GNUC__)
  37 #    include <fstream.h>
  38 #    include <math.h>
  39 #    include <iostream.h>
  40 #  else
  41 #    include <fstream>
  42 #    include <cmath>
  43 #    include <iostream>
  44      using std::ostream;
  45      using std::istream;
  46      using std::cerr;
  47      using std::cout;
  48      using std::endl;
  49 #  endif
  50    using std::string;
  51 #endif
  52
  53 #include "FGJSBBase.h"
  54
  55 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  56 DEFINITIONS
  57 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  58
  59 #define ID_COLUMNVECTOR4 "$Id$"
  60
  61 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  62 FORWARD DECLARATIONS
  63 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  64
  65 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  66 DECLARATION: FGColumnVector4
  67 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  68
  69 class FGColumnVector4 : public FGJSBBase
  70 {
  71 public:
  72   FGColumnVector4(void);
  73   FGColumnVector4(double A, double B, double C, double D);
  74   FGColumnVector4(const FGColumnVector4& b);
  75   ~FGColumnVector4(void);
  76
  77   FGColumnVector4 operator=(const FGColumnVector4& b);
  78
  79   FGColumnVector4 operator*(const double scalar);
  80   FGColumnVector4 operator/(const double scalar);
  81   FGColumnVector4 operator+(const FGColumnVector4& B); // must not return reference
  82   FGColumnVector4 operator-(const FGColumnVector4& B);
  83
  84   void operator-=(const FGColumnVector4 &B);
  85   void operator+=(const FGColumnVector4 &B);
  86   void operator*=(const double scalar);
  87   void operator/=(const double scalar);
  88
  89   inline double operator()(int m) const { return data[m]; }
  90   inline double& operator()(int m) { return data[m]; }
  91
  92   FGColumnVector4& operator<<(const double ff);
  93
  94   inline void InitMatrix(void) { data[1]=0; data[2]=0; data[3]=0; data[4]=0; }
  95   inline void InitMatrix(double ff) { data[1]=ff; data[2]=ff; data[3]=ff; data[4]=ff;}
  96
  97   double Magnitude(void);
  98   FGColumnVector4 Normalize(void);
  99
 100   friend FGColumnVector4 operator*(const double scalar, const FGColumnVector4& A);
 101
 102   friend ostream& operator<<(ostream& os, FGColumnVector4& col);
 103
 104
 105   FGColumnVector4 multElementWise(const FGColumnVector4& V);
 106
 107 private:
 108   double data[5];
 109   int rowCtr;
 110   void Debug(int from);
 111 };
 112
 113 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 114 #endif
 115