ossimTerm.cpp

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#include <ossim/base/ossimTerm.h>


#include <iostream>


inline ossimTerm* ossimTerm::operator+(ossimTerm* rhs) const{
    return new ossimPolynomial(this->copy(), rhs->copy());
}
inline ossimTerm* ossimTerm::operator*(ossimTerm* rhs) const{
    return new ossimProd(this->copy(), rhs->copy());
}



ossimTerm* ossimMonom::derivative(const ossim_uint32& variable) const{
    return new ossimMonom(coef*exp, var->derivative(variable), exp-1);
}


ossimTerm* ossimMonom::copy() const{
    return new ossimMonom(coef, var->copy(), exp);
}



ossimTerm* ossimPolynomial::derivative(const ossim_uint32& variable) const{
    return new ossimPolynomial(lTerm->derivative(variable), rTerm->derivative(variable));
}


ossimTerm* ossimPolynomial::copy() const{
    return new ossimPolynomial(lTerm->copy(), rTerm->copy());
}



ossimTerm* ossimProd::derivative(const ossim_uint32& variable) const{
    return new ossimPolynomial(new ossimProd(lTerm->copy(), rTerm->derivative(variable)), new ossimProd(lTerm->derivative(variable), rTerm->copy()));
}


ossimTerm* ossimProd::copy() const{
    return new ossimProd(lTerm->copy(), rTerm->copy());
}



ossimTerm* ossimVar::derivative(const ossim_uint32& variable) const{
    if(var == variable) return new ossimVar(var);
return new ossimConst(0);
}


ossimTerm* ossimVar::copy() const{
    return new ossimVar(var);
}



ossimTerm* ossimConst::derivative(const ossim_uint32& /* variable */ ) const
{
   return new ossimConst(0);
}


ossimTerm* ossimConst::copy() const{
    return new ossimConst(val);
}