shithub: riscv

ref: 31a6f6c83db8e845bc5bf2f0927685a6c2bdfdb2
dir: /sys/src/libmp/port/mpmod.c/

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

void
mpmod(mpint *x, mpint *n, mpint *r)
{
	int sign;

	sign = x->sign;
	if((n->flags & MPfield) == 0
	|| ((Mfield*)n)->reduce((Mfield*)n, x, r) != 0)
		mpdiv(x, n, nil, r);
	if(sign < 0)
		mpmagsub(n, r, r);
}