- || !BN_mod_lshift1_quick(t0, p->Y, group->field)
- || !group->meth->field_mul(group, t1, r->X, p->Z, ctx)
- || !group->meth->field_mul(group, t2, r->Z, s->Z, ctx)
- || !group->meth->field_mul(group, t2, t1, t2, ctx)
- || !group->meth->field_mul(group, t3, t2, t0, ctx)
- || !group->meth->field_mul(group, t2, r->Z, p->Z, ctx)
- || !group->meth->field_sqr(group, t4, t2, ctx)
- || !BN_mod_lshift1_quick(t5, group->b, group->field)
- || !group->meth->field_mul(group, t4, t4, t5, ctx)
- || !group->meth->field_mul(group, t6, t2, group->a, ctx)
- || !group->meth->field_mul(group, t5, r->X, p->X, ctx)
- || !BN_mod_add_quick(t5, t6, t5, group->field)
- || !group->meth->field_mul(group, t6, r->Z, p->X, ctx)
- || !BN_mod_add_quick(t2, t6, t1, group->field)
- || !group->meth->field_mul(group, t5, t5, t2, ctx)
- || !BN_mod_sub_quick(t6, t6, t1, group->field)
- || !group->meth->field_sqr(group, t6, t6, ctx)
- || !group->meth->field_mul(group, t6, t6, s->X, ctx)
- || !BN_mod_add_quick(t4, t5, t4, group->field)
- || !group->meth->field_mul(group, t4, t4, s->Z, ctx)
- || !BN_mod_sub_quick(t4, t4, t6, group->field)
- || !group->meth->field_sqr(group, t5, r->Z, ctx)
- || !group->meth->field_mul(group, r->Z, p->Z, s->Z, ctx)
- || !group->meth->field_mul(group, r->Z, t5, r->Z, ctx)
- || !group->meth->field_mul(group, r->Z, r->Z, t0, ctx)
- /* t3 := X, t4 := Y */
- /* (X,Y,Z) -> (XZ,YZ**2,Z) */
- || !group->meth->field_mul(group, r->X, t3, r->Z, ctx)
+ || !BN_mod_lshift1_quick(t4, p->Y, group->field)
+ || !group->meth->field_mul(group, t6, r->X, t4, ctx)
+ || !group->meth->field_mul(group, t6, s->Z, t6, ctx)
+ || !group->meth->field_mul(group, t5, r->Z, t6, ctx)
+ || !BN_mod_lshift1_quick(t1, group->b, group->field)
+ || !group->meth->field_mul(group, t1, s->Z, t1, ctx)