Angle.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 Angle.h
 */

#ifndef Angle_CLASS
#define Angle_CLASS

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

#ifndef WITHOUT_ACS
#include <asdmIDLTypesC.h>
using asdmIDLTypes::IDLAngle;
#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 Angle;
Angle operator * ( double , const Angle & );
ostream & operator << ( ostream &, const Angle & );
istream & operator >> ( istream &, Angle&);

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

public:
        Angle();                                        // default constructor
        Angle(const Angle &);                                           // X const X& constructor
        Angle(const string &s);
#ifndef WITHOUT_ACS
        Angle(const IDLAngle &);
#endif
        Angle(double value);
        virtual ~Angle();                                                       // destructor
        static double fromString(const string&);
        static string toString(double);
        static Angle getAngle(StringTokenizer &t) throw(NumberFormatException);
                        
        void toBin(EndianOSStream& eoss);

        static void toBin(const vector<Angle>& angle,  EndianOSStream& eoss);
        
        static void toBin(const vector<vector<Angle> >& angle,  EndianOSStream& eoss);
        
        static void toBin(const vector<vector<vector<Angle> > >& angle,  EndianOSStream& eoss);

        static Angle fromBin(EndianISStream& eiss);
        
         static vector<Angle> from1DBin(EndianISStream & eiss);
         
         static vector<vector<Angle> > from2DBin(EndianISStream & eiss);
         
         static vector<vector<vector<Angle> > > from3DBin(EndianISStream & eiss);        
                
        Angle& operator = (const Angle&);                       // assignment operator
        Angle& operator = (const double);                       // assignment operator

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

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

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

        bool isZero() const;

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

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

        operator string () const;
        double get() const;
#ifndef WITHOUT_ACS
        IDLAngle toIDLAngle() const;
#endif
        static string unit();

private:
        double value;

};

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

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

#ifndef WITHOUT_ACS
inline Angle::Angle(const IDLAngle &l) : value(l.value) {
}
#endif

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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


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

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

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

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

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

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

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

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

#ifndef WITHOUT_ACS
inline IDLAngle Angle::toIDLAngle() const {
        IDLAngle tmp;
        tmp.value = value;
        return tmp;
}
#endif

// Friend functions

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

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

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

inline string Angle::unit() {
        return string ("rad");
}

} // End namespace asdm

#endif /* Angle_CLASS */

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