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
Detected Version Rev Change Commit
Aug 3, 2024 12:43am 0 VERSION_BUMP 73736b6b
Jan 25, 2024 10:33pm 0 VERSION_BUMP 18bc85f6
Mar 20, 2023 1:09pm 0 VERSION_BUMP f53bbad9
Mar 20, 2023 1:09pm 0 VERSION_BUMP f9d4db8f
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