/
Number.h
59 lines (49 loc) · 1.25 KB
/
Number.h
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/*
**
** Number.h
** Copyright by Jan Poeschko
**
*/
#pragma once
#include "Atom.h"
#include "Input.h"
#include <memory>
// Forward declarations
class Number;
// Typedefs
//typedef std::auto_ptr<ConvertingNumber> ConvertingNumberPtr;
//typedef int NumberConvertLevel;
// Number hierarchy (states who can rely on who;
// e.g. MachineInteger need not implement addition with an
// ArbitraryInteger, only of two MachineInteger's):
// 11 MachineInteger
// 12 ArbitraryInteger
// 20 Rational
// 31 MachineReal
// 32 ArbitraryReal
// 40 Complex
class Number : public Atom
{
public:
// Constructors, destructor
Number();
virtual ~Number();
// Read functions
static IntegerType ReadInteger(Input &input);
static NumberPtr Read(Input &input);
// abstract Number functions
virtual NumberPtr Plus(Number *number) = 0;
virtual NumberPtr Times(Number *number) = 0;
virtual NumberPtr Power(Number *number) = 0;
virtual CompareResult Compare(Number *number) = 0;
virtual void Negate() = 0;
virtual NumberPtr Abs() = 0;
virtual NumberPtr ApplyN() = 0;
virtual bool IsNumeric() = 0;
virtual NumberPtr Sin();
virtual NumberPtr Cos();
virtual NumberPtr CloneNumber()
{
return auto_ptr_cast<Number>(Clone());
}
};