Exemplo n.º 1
0
void
dcprint(Blk *hptr)
{
	Blk *p, *q, *dec;
	int dig, dout, ct, sc;

	rewind(hptr);
	while(sfeof(hptr) == 0) {
		if(sgetc(hptr)>99) {
			rewind(hptr);
			while(sfeof(hptr) == 0) {
				Bprint(&bout,"%c",sgetc(hptr));
			}
			Bprint(&bout,"\n");
			return;
		}
	}
	fsfile(hptr);
	sc = sbackc(hptr);
	if(sfbeg(hptr) != 0) {
		Bprint(&bout,"0\n");
		return;
	}
	count = ll;
	p = copy(hptr,length(hptr));
	sclobber(p);
	fsfile(p);
	if(sbackc(p)<0) {
		chsign(p);
		OUTC('-');
	}
	if((obase == 0) || (obase == -1)) {
		oneot(p,sc,'d');
		return;
	}
	if(obase == 1) {
		oneot(p,sc,'1');
		return;
	}
	if(obase == 10) {
		tenot(p,sc);
		return;
	}
	/* sleazy hack to scale top of stack - divide by 1 */
	pushp(p);
	sputc(p, sc);
	p=salloc(0);
	create(p);
	sputc(p, 1);
	sputc(p, 0);
	pushp(p);
	if(dscale() != 0)
		return;
	p = div(arg1, arg2);
	release(arg1);
	release(arg2);
	sc = savk;

	create(strptr);
	dig = logten*sc;
	dout = ((dig/10) + dig) / logo;
	dec = getdec(p,sc);
	p = removc(p,sc);
	while(length(p) != 0) {
		q = div(p,basptr);
		release(p);
		p = q;
		(*outdit)(rem,0);
	}
	release(p);
	fsfile(strptr);
	while(sfbeg(strptr) == 0)
		OUTC(sbackc(strptr));
	if(sc == 0) {
		release(dec);
		Bprint(&bout,"\n");
		return;
	}
	create(strptr);
	OUTC('.');
	ct=0;
	do {
		q = mult(basptr,dec);
		release(dec);
		dec = getdec(q,sc);
		p = removc(q,sc);
		(*outdit)(p,1);
	} while(++ct < dout);
	release(dec);
	rewind(strptr);
	while(sfeof(strptr) == 0)
		OUTC(sgetc(strptr));
	Bprint(&bout,"\n");
}
Exemplo n.º 2
0
void
print(struct blk *hptr)
{
	int sc;
	register struct blk *p,*q,*dec;
	int dig,dout,ct;

	rewind(hptr);
	while(sfeof(hptr) == 0){
		if(sgetc(hptr)>99){
			rewind(hptr);
			while(sfeof(hptr) == 0){
				printf("%c",sgetc(hptr));
			}
			printf("\n");
			return;
		}
	}
	fsfile(hptr);
	sc = sbackc(hptr);
	if(sfbeg(hptr) != 0){
		printf("0\n");
		return;
	}
	count = ll;
	p = copy(hptr,length(hptr));
	sunputc(p);
	fsfile(p);
	if(sbackc(p)<0){
		chsign(p);
		OUTC('-');
	}
	if((obase == 0) || (obase == -1)){
		oneot(p,sc,'d');
		return;
	}
	if(obase == 1){
		oneot(p,sc,'1');
		return;
	}
	if(obase == 10){
		tenot(p,sc);
		return;
	}
	create(strptr);
	dig = log_10*sc;
	dout = ((dig/10) + dig) /logo;
	dec = getdec(p,sc);
	p = removc(p,sc);
	while(length(p) != 0){
		q = dcdiv(p,basptr);
		release(p);
		p = q;
		(*outdit)(rem,0,1);
	}
	release(p);
	fsfile(strptr);
	while(sfbeg(strptr) == 0)OUTC(sbackc(strptr));
	if(sc == 0){
		release(dec);
		printf("\n");
		return;
	}
	create(strptr);
	OUTC('.');
	ct=0;
	do{
		q = mult(basptr,dec);
		release(dec);
		dec = getdec(q,sc);
		p = removc(q,sc);
		(*outdit)(p,1,ct+1<dout);
	}while(++ct < dout);
	release(dec);
	rewind(strptr);
	while(sfeof(strptr) == 0)OUTC(sgetc(strptr));
	printf("\n");
	return;
}