code: drawterm

ref: e4f9a4578a50e9b6694514e7c94004f4b82f6eab
dir: /libmp/mpmod.c/

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#include "os.h"
#include <mp.h>
#include "dat.h"

// remainder = b mod m
//
// knuth, vol 2, pp 398-400

void
mpmod(mpint *b, mpint *m, mpint *remainder)
{
	mpdiv(b, m, nil, remainder);
	if(remainder->sign < 0)
		mpadd(m, remainder, remainder);
}