Lint: Large Integer Object Library

/* 
	LINT - Large INTeger object library.
	Copyright (C) 2005 Jeremy A. Wilson 

	Licensed under the GNU Lesser General Public License version 2.1

	This library is free software; you can redistribute it and/or modify it under the terms 
	of the GNU Lesser General Public License as published by the Free Software Foundation; 
	either version 2.1 of the License, or (at your option) any later version.

	This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
	without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
	See the GNU Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public License along with this 
	library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 
	Boston, MA 02111-1307 USA 

	Author Information:
		Jeremy A. Wilson
		email: mitselplik@cox.net
		address: 915 Dover Dr., Gainesville, TX 76240
*/
#if !defined(_LINT_)
#define _LINT_

#if !defined(LINT_LENGTH)
#define LINT_LENGTH 64		// the number of 32-bit DWORDS to use - default 64 results in 2048 bit integers
#endif

class lint {
	long data[LINT_LENGTH];		
	char *str_value;

	void copy_from(lint&);
	void from_string(const char *);
	friend void div_mod_calculate(lint&, lint&, lint&, lint&);
	void not();
	void negate();
public:
	lint();
	lint(lint&);
	lint(signed long);
	lint::lint(const char *);
	lint(long *, unsigned int);
	~lint();

	lint& operator=(lint&);
	lint& operator=(signed long);
	lint& operator=(const char *);

	lint& operator++();
	lint& operator++(int);
	lint& operator--();
	lint& operator--(int);
	lint& operator~();
	lint& operator-();
	bool operator!();
	
	lint& operator+=(signed long);
	lint& operator+=(lint&);
	lint& operator-=(signed long);
	lint& operator-=(lint&);
	lint& operator*=(signed long);
	lint& operator*=(lint&);
	lint& operator/=(signed long);
	lint& operator/=(lint&);
	lint& operator%=(signed long);
	lint& operator%=(lint&);
	lint& operator<<=(signed long);
	lint& operator<<=(lint&);
	lint& operator>>=(signed long);
	lint& operator>>=(lint&);

	lint& operator&=(unsigned long);
	lint& operator&=(lint&);
	lint& operator|=(unsigned long);
	lint& operator|=(lint&);
	lint& operator^=(unsigned long);
	lint& operator^=(lint&);

	char *value(int radix = 10);
	signed long& operator()(unsigned);

	friend lint& operator+(lint&, signed long);
	friend lint& operator+(long, lint&);
	friend lint& operator+(lint&, lint&);
	
	friend lint& operator-(lint&, signed long);
	friend lint& operator-(signed long, lint&);
	friend lint& operator-(lint&, lint&);

	friend lint& operator<<(lint&, signed long);
	friend lint& operator<<(lint&, lint&);

	friend lint& operator>>(lint&, signed long);
	friend lint& operator>>(lint&, lint&);

	friend lint& operator*(lint&, signed long);
	friend lint& operator*(signed long, lint&);
	friend lint& operator*(lint&, lint&);
	
	friend lint& operator/(lint&, signed long);
	friend lint& operator/(signed long, lint&);
	friend lint& operator/(lint&, lint&);
	
	friend lint& operator%(lint&, signed long);
	friend lint& operator%(lint&, lint&);
		
	friend bool operator==(lint&, signed long);
	friend bool operator==(signed long, lint&);
	friend bool operator==(lint&, lint&);
	
	friend bool operator!=(lint&, signed long);
	friend bool operator!=(signed long, lint&);
	friend bool operator!=(lint&, lint&);
	
	friend bool operator<(lint&, lint&);
	friend bool operator<(lint&, signed long);
	friend bool operator<(signed long, lint&);

	friend bool operator<=(lint&, lint&);
	friend bool operator<=(lint&, signed long);
	friend bool operator<=(signed long, lint&);

	friend bool operator>(lint&, lint&);
	friend bool operator>(lint&, signed long);
	friend bool operator>(signed long, lint&);

	friend bool operator>=(lint&, lint&);
	friend bool operator>=(lint&, signed long);
	friend bool operator>=(signed long, lint&);

	friend lint& operator&(lint&, unsigned long);
	friend lint& operator&(unsigned long, lint&);
	friend lint& operator&(lint&, lint&);

	friend lint& operator|(lint&, unsigned long);
	friend lint& operator|(unsigned long, lint&);
	friend lint& operator|(lint&, lint&);

	friend lint& operator^(lint&, unsigned long);
	friend lint& operator^(unsigned long, lint&);
	friend lint& operator^(lint&, lint&);
};

#endif