- MP_SCAN(&sc, a);
- e = 0;
- while (MP_STEP(&sc) && !MP_BIT(&sc))
- e++;
-
- /* --- Do the shift --- */
-
- if (e)
- a = mp_lsr(a, a, e);
-
- /* --- Maybe adjust the sign of @s@ --- */
-
- nn = n->v[0] & 7;
- if ((e & 1) && (nn == 3 || nn == 5))
- s = -s;
-
- if (MP_LEN(a) == 1 && a->v[0] == 1)
- goto done;
-
- if ((nn & 3) == 3 && (a->v[0] & 3) == 3)
- s = -s;
- }
+ a = mp_odd(a, a, &e);
+ nn = n->v[0] & 7;
+ if ((e & 1) && (nn == 3 || nn == 5))
+ s = -s;
+ if (MP_LEN(a) == 1 && a->v[0] == 1)
+ goto done;
+ if ((nn & 3) == 3 && (a->v[0] & 3) == 3)
+ s = -s;