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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);
}