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#ifndef SIMPLIFIER_H
#define SIMPLIFIER_H
#include "expressions.hpp"
class Simplifier {
private:
void simplifyChildren(Expression *root, Expression *left, Expression *right);
Expression *ruleMultiplyByOne(MultiplicationExpression *expr);
Expression *ruleDivideByOne(DivisionExpression *expr);
Expression *ruleMultiplyByZero(MultiplicationExpression *expr);
Expression *ruleZeroDivision(DivisionExpression *expr);
Expression *ruleOnePower(PowerExpression *expr);
Expression *ruleZeroPower(PowerExpression *expr);
public:
Expression *visit(Variable *expr);
Expression *visit(Literal *expr);
Expression *visit(Function *expr);
Expression *visit(NegationExpression *expr);
Expression *visit(AddExpression *expr);
Expression *visit(SubExpression *expr);
Expression *visit(MultiplicationExpression *expr);
Expression *visit(DivisionExpression *expr);
Expression *visit(PowerExpression *expr);
};
Expression *simplify(Expression *to_simplify);
#endif /* SIMPLIFIER_H */
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