nn_sqr
ATTRIBUTE_WARN_UNUSED_RET int nn_sqr(nn_t out, nn_src_t in);
GENERIC_TEST_NN(nn_sqr, NN_SQR, "(^2)", nn_sqr, "nn", "oi",
ret = nn_sqr(&curve_order_square, curve_order); EG(ret, err);
ret = nn_sqr(&curve_order_square, curve_order); EG(ret, err1);
ret = nn_sqr(&curve_order_square, curve_order); EG(ret, err);
ret = nn_sqr(&a, &a); EG(ret, err);
ret = nn_sqr(&y, &y); EG(ret, err);
ret = nn_sqr(&a, &a); EG(ret, err);
ret = nn_sqr(&b, &b); EG(ret, err);
ret = nn_sqr(&b, &b); EG(ret, err);
ret = nn_sqr(&q_square, q); EG(ret, err);
ret = nn_sqr(r_square, r); EG(ret, err);