vector.hpp

来自「卡尔曼滤波类」· HPP 代码 · 共 67 行

// vector.hpp

// A vector definition	 for real or complex vector 
// adds Linear Algebra operations to BasicArray

//                      (c) Copyright 1995, Everett F. Carter Jr.
//                      Permission is granted by the author to use
//			this software for any application provided this
//			copyright notice is preserved.

// rcsid: $Id$  @(#)vector.hpp	1.12 10:24:33 5/11/95  EFC

#ifndef VECTOR_HPP_
#define VECTOR_HPP_ 1.12

#include <math.h>

#include <barray.hpp>

#include <bool.h>

class Vector : public BasicArray
{
	protected:
	  static ostream* ostr;
	public:
	  const int& rows;
	  Vector() : BasicArray(1), rows(sze) {}
	  Vector(const int r) : BasicArray(r), rows(sze) {}
	  Vector(const Vector& v) : BasicArray(v), rows(sze)  {}
	  Vector(const BasicArray& v) : BasicArray(v), rows(sze)  {}
	  virtual ~Vector() {}

	Vector& operator=(const Vector& v);
	Vector& operator=(const BasicArray& v);

	Vector& operator+=(const Vector&);
	Vector& operator-=(const Vector&);

	friend Vector operator+(const Vector&, const Vector&);	    // Vector+Vector
	friend Vector operator-(const Vector&, const Vector&);	    // Vector-Vector
	friend scalar_type operator*(const Vector&,const Vector&);  // Vector*Vector

	 // Vector*scalar
	friend Vector operator*(const Vector& v, const double d);
#ifdef COMPLEX
	friend Vector operator*(const Vector& v, const Complex d);
#endif
	// scalar*Vector
	friend Vector operator*(const scalar_type d,const Vector& v)
			{ return v * d; }

	// scalar assignment
	scalar_type operator=(const scalar_type d);

	friend bool operator==(const Vector&,const Vector&);	// equality

	// attach the output stream for error messages,
	// (cerr is used if this is not ever used)
          static void attach(ostream& os)  	{ ostr = &os; }

};

#endif