#include "os.h"#include <mp.h>#include "dat.h" #define VLDIGITS (sizeof(vlong)/sizeof(mpdigit)) /* *  this code assumes that a vlong is an integral number of *  mpdigits long. */mpint*uvtomp(uvlong v, mpint *b){	int s; 	if(b == nil){		b = mpnew(VLDIGITS*Dbits);		setmalloctag(b, getcallerpc(&v));	}else		mpbits(b, VLDIGITS*Dbits);	b->sign = 1;	for(s = 0; s < VLDIGITS; s++){		b->p[s] = v;		v >>= sizeof(mpdigit)*8;	}	b->top = s;	return mpnorm(b);} uvlongmptouv(mpint *b){	uvlong v;	int s; 	if(b->top == 0 || b->sign < 0)		return 0LL; 	if(b->top > VLDIGITS)		return -1LL; 	v = 0ULL;	for(s = 0; s < b->top; s++)		v |= (uvlong)b->p[s]<<(s*sizeof(mpdigit)*8); 	return v;}