Temperature.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 Temperature.h
 */

#ifndef Temperature_CLASS
#define Temperature_CLASS

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

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

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

namespace asdm {

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

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

public:
        static double fromString(const string&);
        static string toString(double);
        static Temperature getTemperature(StringTokenizer &t) throw(NumberFormatException);

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

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

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

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

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

        bool isZero() const;

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

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

        operator string () const;
        double get() const;
#ifndef WITHOUT_ACS
        IDLTemperature toIDLTemperature() const;
#endif
        static string unit();

private:
        double value;

};

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

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

#ifndef WITHOUT_ACS
inline Temperature::Temperature(const IDLTemperature &l) : value(l.value) {
}
#endif

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

#ifndef WITHOUT_ACS
inline IDLTemperature Temperature::toIDLTemperature() const {
        IDLTemperature tmp;
        tmp.value = value;
        return tmp;
}
#endif

// Friend functions

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

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

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

inline string Temperature::unit() {
        return string ("degC");
}

} // End namespace asdm

#endif /* Temperature_CLASS */

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