BigNbr

A library for calculating with big numbers written in plain C. (GiantNbr's small brother)

Why developing two library for doing the same thing?

GiantNbr use integer arrays (multiple digits) for storing the numbers, thats why it is a little bit more complicated. BigNbr uses char arrays for storing digit by digit values. Thats why this is easy to understand and implement.

How it started

To be onest i tried to figure out how division can be implemented in GiantNbr, but it was to complicated. I started developing BigNbr to figure out a simple algorithm for doing division and thought this could be worth sharing with others.

Example

#include <stdio.h>
#include <stdbool.h>
#include "bignbr.h"

int
main (int argc, char *argv)
{
	bignbr a, b;

	bignbr_init (&a, 3, "+99");
	bignbr_init (&b, 1, "+1");

	bignbr_add (&a, &b);
	bignbr_print (&a);

	bignbr_free (&a);
	bignbr_free (&b);

	return 0;
}

$ ./test

$ +100