69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
#pragma once
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#include <vector>
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#include "Term.h"
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class Expression
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{
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public:
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Expression( double constant = 0.0 );
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Expression( const Term&, double constant = 0.0 );
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Expression( const std::vector< Term >&, double constant = 0.0 );
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Expression( const std::vector< Term >&&, double constant = 0.0 );
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const std::vector< Term >& terms() const { return m_terms; }
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double constant() const { return m_constant; }
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double value() const;
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private:
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std::vector< Term > m_terms;
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double m_constant;
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};
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extern Expression operator-( const Expression& );
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extern Expression operator+( const Expression&, const Expression& );
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extern Expression operator-( const Expression&, const Expression& );
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extern Expression operator+( const Expression&, const Term& );
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extern Expression operator-( const Expression&, const Term& );
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extern Expression operator+( const Term&, const Expression&);
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extern Expression operator-( const Term&, const Expression&);
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extern Expression operator+( const Expression&, const Variable& );
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extern Expression operator-( const Expression&, const Variable& );
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extern Expression operator-( const Variable&, const Expression&);
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extern Expression operator+( const Variable&, const Expression&);
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extern Expression operator*( const Expression&, double );
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extern Expression operator/( const Expression&, double );
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extern Expression operator+( const Expression&, double );
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extern Expression operator-( const Expression&, double );
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extern Expression operator*( double, const Expression&);
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extern Expression operator+( double, const Expression&);
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extern Expression operator-( double, const Expression&);
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extern Expression operator+( const Term&, const Term& );
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extern Expression operator-( const Term&, const Term& );
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extern Expression operator+( const Term&, const Variable& );
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extern Expression operator-( const Term&, const Variable& );
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extern Expression operator-( const Variable&, const Term&);
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extern Expression operator+( const Variable&, const Term&);
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extern Expression operator+( const Term&, double );
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extern Expression operator-( const Term&, double );
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extern Expression operator+( double, const Term&);
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extern Expression operator-( double, const Term&);
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extern Expression operator+( const Variable&, const Variable& );
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extern Expression operator-( const Variable&, const Variable& );
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extern Expression operator+( const Variable&, double );
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extern Expression operator-( const Variable&, double );
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extern Expression operator+( double, const Variable& );
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extern Expression operator-( double, const Variable& );
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