# Burn NdArray > [Burn](https://github.com/burn-rs/burn) ndarray backend [![Current Crates.io Version](https://img.shields.io/crates/v/burn-ndarray.svg)](https://crates.io/crates/burn-ndarray) [![license](https://shields.io/badge/license-MIT%2FApache--2.0-blue)](https://github.com/burn-rs/burn-ndarray/blob/master/README.md) ## Feature Flags This crate can be used without the standard library (`#![no_std]`) with `alloc` by disabling the default `std` feature. The following flags support various BLAS options: - `blas-accelerate` - Accelerate framework (macOS only) - `blas-netlib` - Netlib - `blas-openblas` - OpenBLAS static linked - `blas-openblas-system` - OpenBLAS from the system Note, under the `no_std` mode, a random seed is generated during the build time if the seed is not initialized by by `Backend::seed` method.