Commit 49c86008 authored by vaillancour's avatar vaillancour
Browse files

Fix critical carry/overflow

parent eb0d505f

lib_dec/fd_cng_dec.c

+14 −0
Original line number Diff line number Diff line
@@ -826,6 +826,19 @@ Word16 ApplyFdCng ( 
            {



                Carry = 0;

#ifdef BASOP_NOGLOB /* Critical Carry/Overflow */

                L_tmp = L_add_co(L_tmp,*(cngNoiseLevel+j), &Carry, &Overflow);

                Overflow = 0;



                if(*(cngNoiseLevel+j) < 0)

                {

                    L_c = L_msuNs_co(L_c,0,0, &Carry, &Overflow);

                }

                if(*(cngNoiseLevel+j) >= 0)

                {

                    L_c = L_macNs_co(L_c,0,0, &Carry, &Overflow);

                }

#else

                L_tmp = L_add_c(L_tmp,*(cngNoiseLevel+j));

                Overflow = 0;
@@ -837,6 +850,7 @@ Word16 ApplyFdCng ( 
                {

                    L_c = L_macNs(L_c,0,0);

                }

#endif

            }

            L_tmp = norm_llQ31(L_c,L_tmp,&L_tmp_exp);

            L_tmp_exp = sub(add(L_tmp_exp,*cngNoiseLevel_exp),1);