Function ggml_is_matrix

subprojects/llama.cpp/ggml/src/ggml.c:1336–1340

}

bool ggml_is_matrix(const struct ggml_tensor * tensor) {
    static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function");

    return tensor->ne[2] == 1 && tensor->ne[3] == 1;
}

bool ggml_is_3d(const struct ggml_tensor * tensor) {
    return tensor->ne[3] == 1;