Speed.h

/*
 * ALMA - Atacama Large Millimeter Array
 * (c) European Southern Observatory, 2002
 * (c) Associated Universities Inc., 2002
 * Copyright by ESO (in the framework of the ALMA collaboration),
 * Copyright by AUI (in the framework of the ALMA collaboration),
 * All rights reserved.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY, without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307  USA
 *
 * File Speed.h
 */

#ifndef Speed_CLASS
#define Speed_CLASS

#include <vector>
#include <iostream>
#include <string>
using namespace std;

#ifndef WITHOUT_ACS
#include <asdmIDLTypesC.h>
using asdmIDLTypes::IDLSpeed;
#endif

#include <StringTokenizer.h>
#include <NumberFormatException.h>
using asdm::StringTokenizer;
using asdm::NumberFormatException;

#include "EndianStream.h"
using asdm::EndianOSStream;
using asdm::EndianISStream;

namespace asdm {

class Speed;
Speed operator * ( double , const Speed & );
ostream & operator << ( ostream &, const Speed & );
istream & operator >> ( istream &, Speed&);

class Speed {
        friend Speed operator * ( double , const Speed & );
    friend ostream & operator << ( ostream &, const Speed & );
        friend istream & operator >> ( istream &, Speed&);

public:
        static double fromString(const string&);
        static string toString(double);
        static Speed getSpeed(StringTokenizer &t) throw(NumberFormatException);
        
        void toBin(EndianOSStream& eoss);

        static void toBin(const vector<Speed>& speed,  EndianOSStream& eoss);
        
        static void toBin(const vector<vector<Speed> >& speed,  EndianOSStream& eoss);
        
        static void toBin(const vector<vector<vector<Speed> > >& speed,  EndianOSStream& eoss);

        static Speed fromBin(EndianISStream& eiss);
        
         static vector<Speed> from1DBin(EndianISStream & eiss);
         
         static vector<vector<Speed> > from2DBin(EndianISStream & eiss);
         
         static vector<vector<vector<Speed> > > from3DBin(EndianISStream & eiss);       

        Speed();                                        // default constructor
        Speed(const Speed &);                                           // X const X& constructor
        Speed(const string &s);
#ifndef WITHOUT_ACS
        Speed(const IDLSpeed &);
#endif
        Speed(double value);
        virtual ~Speed();                                                       // destructor

        Speed& operator = (const Speed&);                       // assignment operator
        Speed& operator = (const double);                       // assignment operator

        Speed& operator += (const Speed&);              // assignment with arithmetic
        Speed& operator -= (const Speed&);              //      operators
        Speed& operator *= (const double);
        Speed& operator /= (const double);

        Speed operator + (const Speed&) const;  // arithmetic operators
        Speed operator - (const Speed&) const;
        Speed operator * (const double) const;
        Speed operator / (const double) const;

        bool operator < (const Speed&) const;           // comparison operators
        bool operator > (const Speed&) const;
        bool operator <= (const Speed&) const;
        bool operator >= (const Speed&) const;
        bool operator == (const Speed&) const;
        bool equals(const Speed&) const;
        bool operator != (const Speed&) const;

        bool isZero() const;

        Speed operator - () const;                                      // unary minus
        Speed operator + () const;                              // unary plus

        string toString() const;
        string toStringI() const;

        operator string () const;
        double get() const;
#ifndef WITHOUT_ACS
        IDLSpeed toIDLSpeed() const;
#endif
        static string unit();

private:
        double value;

};

// Speed constructors
inline Speed::Speed() : value(0.0) {
}

inline Speed::Speed(const Speed &t) : value(t.value) {
}

#ifndef WITHOUT_ACS
inline Speed::Speed(const IDLSpeed &l) : value(l.value) {
}
#endif

inline Speed::Speed(const string &s) : value(fromString(s)) {
}

inline Speed::Speed(double v) : value(v) {
}

// Speed destructor
inline Speed::~Speed() { }

// assignment operator
inline Speed& Speed::operator = ( const Speed &t ) {
        value = t.value;
        return *this;
}

// assignment operator
inline Speed& Speed::operator = ( const double v ) {
        value = v;
        return *this;
}

// assignment with arithmetic operators
inline Speed& Speed::operator += ( const Speed& t) {
        value += t.value;
        return *this;
}

inline Speed& Speed::operator -= ( const Speed& t) {
        value -= t.value;
        return *this;
}

inline Speed& Speed::operator *= ( const double n) {
        value *= n;
        return *this;
}

inline Speed& Speed::operator /= ( const double n) {
        value /= n;
        return *this;
}

// arithmetic functions
inline Speed Speed::operator + ( const Speed &t2 ) const {
        Speed tmp;
        tmp.value = value + t2.value;
        return tmp;
}

inline Speed Speed::operator - ( const Speed &t2 ) const {
        Speed tmp;
        tmp.value = value - t2.value;
        return tmp;
}
inline Speed Speed::operator * ( const double n) const {
        Speed tmp;
        tmp.value = value * n;
        return tmp;
}

inline Speed Speed::operator / ( const double n) const {
        Speed tmp;
        tmp.value = value / n;
        return tmp;
}

// comparison operators
inline bool Speed::operator < (const Speed& x) const {
        return (value < x.value);
}

inline bool Speed::operator > (const Speed& x) const {
        return (value > x.value);
}

inline bool Speed::operator <= (const Speed& x) const {
        return (value <= x.value);
}

inline bool Speed::operator >= (const Speed& x) const {
        return (value >= x.value);
}

inline bool Speed::operator == (const Speed& x) const {
        return (value == x.value);
}
inline bool Speed::equals(const Speed& x) const {
        return (value == x.value);
}

inline bool Speed::operator != (const Speed& x) const {
        return (value != x.value);
}

// unary - and + operators
inline Speed Speed::operator - () const {
        Speed tmp;
        tmp.value = -value;
        return tmp;
}

inline Speed Speed::operator + () const {
        Speed tmp;
    tmp.value = value;
        return tmp;
}

// Conversion functions
inline Speed::operator string () const {
        return toString();
}

inline string Speed::toString() const {
        return toString(value);
}

inline string Speed::toStringI() const {
        return toString(value);
}

inline double Speed::get() const {
        return value;
}

#ifndef WITHOUT_ACS
inline IDLSpeed Speed::toIDLSpeed() const {
        IDLSpeed tmp;
        tmp.value = value;
        return tmp;
}
#endif

// Friend functions

inline Speed operator * ( double n, const Speed &x) {
        Speed tmp;
        tmp.value = x.value * n;
        return tmp;
}

inline ostream & operator << ( ostream &o, const Speed &x ) {
        o << x.value;
        return o;
}

inline istream & operator >> ( istream &i, Speed &x ) {
        i >> x.value;
        return i;
}

inline string Speed::unit() {
        return string ("m/sec");
}

} // End namespace asdm

#endif /* Speed_CLASS */

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