842                             const felem x1, const felem y1, const felem z1,  in point_add_mixed()  argument
846   felem_square(z1z1, z1);  in point_add_mixed()
847   felem_sum(tmp, z1, z1);  in point_add_mixed()
850   felem_mul(z1z1z1, z1, z1z1);  in point_add_mixed()
880                       const felem y1, const felem z1, const felem x2,  in point_add()  argument
884   felem_square(z1z1, z1);  in point_add()
888   felem_sum(tmp, z1, z2);  in point_add()
897   felem_mul(z1z1z1, z1, z1z1);  in point_add()
928     const felem z1, const felem x2, const felem y2, const felem z2) {  in point_add_or_double_vartime()  argument
932   felem_square(z1z1, z1);  in point_add_or_double_vartime()
936   felem_sum(tmp, z1, z2);  in point_add_or_double_vartime()
945   felem_mul(z1z1z1, z1, z1z1);  in point_add_or_double_vartime()
955     point_double(x_out, y_out, z_out, x1, y1, z1);  in point_add_or_double_vartime()
1248   felem x1, y1, z1, x2, y2, z2, px, py;  in p256_points_mul_vartime()  local
1259   scalar_base_mult(x1, y1, z1, n1);  in p256_points_mul_vartime()
1270     memcpy(z1, z2, sizeof(z2));  in p256_points_mul_vartime()
1273     point_add_or_double_vartime(x1, y1, z1, x1, y1, z1, x2, y2, z2);  in p256_points_mul_vartime()
1276   point_to_affine(px, py, x1, y1, z1);  in p256_points_mul_vartime()