gcc/libdecnumber/decNumber.c

7066   Int  bump;		      /* 1 if coefficient needs to be incremented */
7071   bump=0;		      /* assume a smooth ride */
7082       if (residue<0 && lsd5!=1) bump=-1;
7083        else if (residue>0 && lsd5==0) bump=1;
7084       /* [bump==1 could be applied directly; use common path for clarity] */
7089       if (residue<0) bump=-1;
7093       if (residue>5) bump=1;
7097       if (residue>5) bump=1;		/* >0.5 goes up */
7100 	if (*dn->lsu & 0x01) bump=1;
7105       if (residue>=5) bump=1;
7109       if (residue>0) bump=1;
7116 	if (residue<0) bump=-1;
7119 	if (residue>0) bump=1;
7127 	if (residue<0) bump=-1;
7130 	if (residue>0) bump=1;
7142   /* now bump the number, up or down, if need be */
7143   if (bump==0) return;			     /* no action required */
7150   if (bump>0) {
7160 	dn->exponent++; 		     /* and bump exponent */
7171     } /* bump>0 */
7173     /* here checking for a pre-bump of 1000... (leading 1, all */
7186 	dn->exponent--; 		     /* and bump exponent */
7210     } /* bump<0 */
7212   /* Actual bump needed.  Do it. */
7213   decUnitAddSub(dn->lsu, D2U(dn->digits), uarrone, 1, 0, dn->lsu, bump);