gcclibs/libdecnumber/decNumber.c

981   decNumber *allocdac = NULL;	/* -> allocated acc buffer, iff used */
1108       decNumberZero (dac);	/* acc=1 */
1157 	      decNumberCopy (dac, &dnOne);	/* restore acc=1 */
2241   Unit *acc;			/* accumulator for result */
2244   Unit *allocacc = NULL;	/* -> allocated acc buffer, iff allocated */
2505       acc = res->lsu;		/* assume build direct */
2515 	  acc = accbuff;	/* assume use local buffer */
2524 	      acc = allocacc;
2539       res->digits = decUnitAddSub (lhs->lsu, D2U (lhs->digits), rhs->lsu, D2U (rhs->digits), rhsshift, acc, mult) * DECDPUN;	/* [units -> digits] */
2546       decDumpAr ('+', acc, D2U (res->digits));
2553       if (acc != res->lsu)
2562 		res->digits = decGetDigits (acc, D2U (res->digits));
2563 	      decSetCoeff (res, set, acc, res->digits, &residue, status);
2575 		  *(acc + D2U (res->digits)) = 0;	/* ensure leading 0 is there */
2585 		      res->digits = decGetDigits (acc, D2U (res->digits));
2590 	      decSetCoeff (res, set, acc, res->digits, &residue, status);
2703 /* long subtractions.  These are acc and var1 respectively.           */
2714   Unit *acc = accbuff;		/* -> accumulator array for result */
2717   Int acclength;		/* length of acc needed [Units] */
2734   Int maxdigits;		/* longest LHS or required acc length */
2939 	  acc = allocacc;	/* use the allocated space */
3050       accnext = acc + acclength - 1;	/* -> msu of acc [NB: allows digits+1] */
3130 	  /* We have the next unit; unless it's a leading zero, add to acc */
3171       /* here: acc      has at least reqdigits+1 of good results (or fewer */
3174       /*       accunits is the number of digits we collected in acc */
3176 	{			/* acc is 0 */
3261 		wasodd = 1;	/* acc is odd */
3265 	      /* treat the residue, in var1, as the value to return, via acc */
3436   Unit *acc = accbuff;		/* -> accumulator array for exact result */
3520 	  acc = allocacc;	/* use the allocated space */
3529       *acc = 0;			/* .. (lsu=0) */
3541 		decUnitAddSub (&acc[shift], accunits - shift, lhs->lsu,
3542 			       madlength, 0, &acc[shift], *mer) + shift;
3545 	    {			/* extend acc with a 0; we'll use it shortly */
3547 	      *(acc + accunits) = 0;
3555       decDumpAr ('*', acc, accunits);
3558       /* acc now contains the exact result of the multiplication */
3561       res->digits = decGetDigits (acc, accunits);	/* count digits exactly */
3574       decSetCoeff (res, set, acc, res->digits, &residue, status);
4030   Unit *acc;			/* accumulator for result */
4032   Unit *allocacc = NULL;	/* -> allocated acc buffer, iff allocated */
4033   Int accunits, need;		/* units in use or needed for acc */
4070   acc = accbuff;		/* assume use local buffer */
4076       acc = allocacc;
4082   accunits = decUnitAddSub (a, alength, b, blength, expunits, acc,
4090       for (u = acc; u < acc + accunits - 1 && *u == 0;)