ec_field_element_sqr
void ec_field_element_sqr(const EC_FIELD_MODULUS *m, EC_FIELD_ELEMENT *r,
ec_field_element_sqr(&group->fm, &t0, &X1);
ec_field_element_sqr(&group->fm, &t1, &Y1);
ec_field_element_sqr(&group->fm, &t2, &Z1);
ec_field_element_sqr(&group->fm, &t0, &X1);
ec_field_element_sqr(&group->fm, &t1, &Y1);
ec_field_element_sqr(&group->fm, &t2, &Z1);
ec_field_element_sqr(&group->fm, &z2, &point->fe_z);
ec_field_element_sqr(&group->fm, &y2z, &point->fe_y);
ec_field_element_sqr(&group->fm, &x3, &point->fe_x);