WeightInherit.hh

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#pragma once
 
#include "Exceptions.hh"
#include "properties/WeightBase.hh"
 
namespace cadabra {
 
    class WeightInherit : virtual public WeightBase {
        public:
            virtual ~WeightInherit();
            
            // The following exception class is thrown when 'value' cannot figure out the
            // weight because a sum contains terms of different weight.
            class WeightException : public ConsistencyException {
                public:
                    WeightException(const std::string&);
                };
 
            virtual bool          parse(Kernel&, std::shared_ptr<Ex>, keyval_t&) override;
            virtual multiplier_t  value(const Kernel&, Ex::iterator, const std::string& forcedlabel) const override;
            virtual std::string   unnamed_argument() const override
                {
                return "type";
                };
            virtual std::string   name() const override;
 
            enum CombinationType { multiplicative, additive, power } combination_type;
 
            multiplier_t value_self;
        };
 
    }