xtensor ☆

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Description:
Multi-dimensional arrays with broadcasting and lazy computing

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: c++ numerical-computing numpy math header-only

Install: brew install xtensor

About:
Xtensor is a C++ library offering N-dimensional arrays compatible with NumPy's syntax, featuring lazy evaluation and broadcasting. It enables high-performance numerical computing by leveraging expression templates to optimize operations and avoid unnecessary temporary allocations. The library provides a rich API for algebraic operations and seamless interoperability with other scientific computing tools.

Key Features:

Lazy evaluation with expression templates for performance
Broadcasting and universal functions (ufuncs)
Python bindings via xtensor-python
STL-compatible and header-only

Use Cases:

Scientific computing and numerical analysis in C++
Bridging high-performance C++ algorithms with Python

Alternatives:

Eigen – Focuses on linear algebra; lacks NumPy-style broadcasting and lazy evaluation
Blaze – High-performance math library; more focused on dense and sparse linear algebra

Version History

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