35   if ((res = mp_init_multi(&x, &y, &u, &v, &B, &D, NULL)) != MP_OKAY) {  in fast_mp_invmod()
40   if ((res = mp_copy (b, &x)) != MP_OKAY) {  in fast_mp_invmod()
45   if ((res = mp_mod (a, b, &y)) != MP_OKAY) {  in fast_mp_invmod()
50   if ((res = mp_copy (&x, &u)) != MP_OKAY) {  in fast_mp_invmod()
53   if ((res = mp_copy (&y, &v)) != MP_OKAY) {  in fast_mp_invmod()
62     if ((res = mp_div_2 (&u, &u)) != MP_OKAY) {  in fast_mp_invmod()
67       if ((res = mp_sub (&B, &x, &B)) != MP_OKAY) {  in fast_mp_invmod()
72     if ((res = mp_div_2 (&B, &B)) != MP_OKAY) {  in fast_mp_invmod()
80     if ((res = mp_div_2 (&v, &v)) != MP_OKAY) {  in fast_mp_invmod()
86       if ((res = mp_sub (&D, &x, &D)) != MP_OKAY) {  in fast_mp_invmod()
91     if ((res = mp_div_2 (&D, &D)) != MP_OKAY) {  in fast_mp_invmod()
99     if ((res = mp_sub (&u, &v, &u)) != MP_OKAY) {  in fast_mp_invmod()
103     if ((res = mp_sub (&B, &D, &B)) != MP_OKAY) {  in fast_mp_invmod()
108     if ((res = mp_sub (&v, &u, &v)) != MP_OKAY) {  in fast_mp_invmod()
112     if ((res = mp_sub (&D, &B, &D)) != MP_OKAY) {  in fast_mp_invmod()
133     if ((res = mp_add (&D, b, &D)) != MP_OKAY) {  in fast_mp_invmod()
139   res = MP_OKAY;  in fast_mp_invmod()