zvec
Copyright 2025-present the zvec project

This product is licensed under the Apache License, Version 2.0 (see the LICENSE
file). It includes third-party software components that are distributed under
their own licenses, as listed below.

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Third-Party Components
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pyglass
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Project: pyglass — Graph Library for Approximate Similarity Search
Homepage: https://github.com/zilliztech/pyglass
License:  MIT License
Used in:  src/core/utility/linear_pool.h

The LinearPool implementation (and the accompanying Neighbor / Bitset helpers)
in src/core/utility/linear_pool.h is adapted from pyglass, with modifications
(a BlockHeap-compatible reset()/push_block() interface and the use of
MemoryHelper for huge-page-backed allocation). The related BlockHeap design in
src/core/utility/block_heap.{h,cc} is also derived from pyglass.

Original license text:

    MIT License

    Copyright (c) 2023 zh Wang

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all
    copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    SOFTWARE.