Function ggml_is_empty

subprojects/llama.cpp/ggml/src/ggml.c:1469–1477

}

bool ggml_is_empty(const struct ggml_tensor * tensor) {
    for (int i = 0; i < GGML_MAX_DIMS; ++i) {
        if (tensor->ne[i] == 0) {
            // empty if any dimension has no elements
            return true;
        }
    }
    return false;
}

bool ggml_are_same_shape(const struct ggml_tensor * t0, const struct ggml_tensor * t1) {
    static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function");