67   int a_neg = a->neg, ret;  in BN_add()
74   if (a_neg ^ b->neg) {  in BN_add()
87       r->neg = 1;  in BN_add()
92       r->neg = 0;  in BN_add()
98   r->neg = a_neg;  in BN_add()
156   r->neg = 0;  in BN_uadd()
177   if (a->neg) {  in BN_add_word()
178     a->neg = 0;  in BN_add_word()
181       a->neg = !(a->neg);  in BN_add_word()
204   int add = 0, neg = 0;  in BN_sub()  local
212   if (a->neg) {  in BN_sub()
213     if (b->neg) {  in BN_sub()
219       neg = 1;  in BN_sub()
222     if (b->neg) {  in BN_sub()
224       neg = 0;  in BN_sub()
233     r->neg = neg;  in BN_sub()
248     r->neg = 1;  in BN_sub()
253     r->neg = 0;  in BN_sub()
338   r->neg = 0;  in BN_usub()
364   if (a->neg) {  in BN_sub_word()
365     a->neg = 0;  in BN_sub_word()
367     a->neg = 1;  in BN_sub_word()
373     a->neg = 1;  in BN_sub_word()