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Real.h

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/* SimData: Data Infrastructure for Simulations
 * Copyright (C) 2002 Mark Rose <tm2@stm.lbl.gov>
 * 
 * This file is part of SimData.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */


#ifndef __SIMDATA_REAL_H__
#define __SIMDATA_REAL_H__

#include <SimData/BaseType.h>
#include <SimData/Random.h>

#include <string>
#include <cmath>


NAMESPACE_SIMDATA


class SIMDATA_EXPORT Real: public BaseType {
        static random::Taus2 _rng;
        float _mean, _sigma;
        float _value;
public:
        Real(float mean=0.0, float sigma=0.0);

        void set(float mean, float sigma);

        void regen();

        float getMean() const;
        
        float getSigma() const;
        
        float getValue() const;

        virtual std::string asString() const;

        virtual std::string typeString() const { return "type::Real"; }

        /*
        float __neg__();
        float __pos__();
        float __abs__();
        int __nonzero__();
        float __float__();
        int __int__();
        long __long__();
        float __add__(float v);
        float __radd__(float v);
        float __sub__(float v);
        float __rsub__(float v);
        float __mul__(float v);
        float __rmul__(float v);
        float __div__(float v);
        float __rdiv__(float v);
        float __rpow__(float v);
        float __pow__(float v);
        */

#ifndef SWIG

        inline operator float() const { return _value; }
#endif
        
        virtual void serialize(Archive&);

        virtual void parseXML(const char* cdata);

// insert Python shadow class code to emulate "operator float()"
#ifdef SWIG______NONO
%insert("shadow") %{
    def __coerce__(self, other):
        if isinstance(other, Real):
            return (self.getValue(), other.getValue())
        return (self.getValue(), other)
%}
#endif // SWIG

};

#ifdef SWIG
%extend Real {
        float __neg__() { return -(*self); }
        float __pos__() { return (*self); }
        float __abs__() { return static_cast<float>(fabs(*self)); }
        float __add__(float v) { return v + (*self); }
        float __radd__(float v) { return v + (*self); }
        float __sub__(float v) { return (*self) - v; }
        float __rsub__(float v) { return v - (*self); }
        float __mul__(float v) { return v * (*self); }
        float __rmul__(float v) { return v * (*self); }
        float __div__(float v) { assert(v != 0.0); return (*self) / v; }
        float __rdiv__(float v) { assert((*self) != 0.0); return v / (*self); }
        float __rpow__(float v) { return static_cast<float>(pow(v, (*self))); }
        float __pow__(float v) { return static_cast<float>(pow((*self), v)); }
        int __int__() { return (int)(*self); }
        long __long__() { return (long)(*self); }
        float __float__() { return (*self); }
        int __nonzero__() { return (*self) != 0.0; }
}
#endif // SWIG


NAMESPACE_SIMDATA_END

#endif //__SIMDATA_REAL_H__

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