czgdp1807

ENH: Extending _distance_pybind with additional distance metrics

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#### Reference issue #14077 #### What does this implement/fix? In this PR following metrics will be ported to `_distance_pybind11`, - [x] dice - [x] hamming - [x] jaccard - [x]...

ENH: sparse.csgraph: implement minimum cost flow (network simplex)

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#### Reference issue https://github.com/scipy/scipy/pull/14392#issuecomment-882912248 #### What does this implement/fix? I have ported minimum cost flow algorithm (network simplex) from `networkx` project. The code has been adapted for graphs following CSR...

Porting `stack.py` to C++ backend

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#### Description of the problem We need to port `stack.py` code in Python to C++ code. We did this for arrays before, 1. Python code for arrays - https://github.com/codezonediitj/pydatastructs/blob/master/pydatastructs/linear_data_structures/arrays.py 2....

Release Checklist for 1.0.1

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#### Description of the problem Following things are to be completed for releasing 0.0.1 of PyDataStructs, - [x] Update version number everywhere. - [x] Update `index.rst` (installation command) #### Example...

Alternatives to `unordered_map`, `unordered_set` for C++ backend.

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AFAIK, these are slow in STL of C++. We have found some alternatives - policy based data structures (https://codeforces.com/blog/entry/60737, SparseHash by Google, `abseil::flat_hash_map`, `boost::unordered_map` (https://comp.lang.cpp.moderated.narkive.com/VPUab6if/performance-difference-between-std-unordered-map-and), https://codeforces.com/blog/entry/62393 - implementing our own...

Adding analysis of string matching APIs using Urban dictionary

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#### Description of the problem As in the tutorial description [here](https://pydatastructs.readthedocs.io/en/latest/tutorials.html), we say, "we plan to add some more examples showing usage of pydatastructs on real world data sets such...

Add Segment Trees

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#### Description of the problem Add segment trees to `pydatastructs.trees.space_partitioning_trees`. #### Example of the problem #### References/Other comments Use, https://en.wikipedia.org/wiki/Segment_tree

Implementing C++ backend for `pydatastructs.arrays`

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#### Description of the problem Since these data structures are the mostly used by other APIs in `pydatastructs`, it makes sense to start implementing backend support for this module. Starting...

Versioning Tool/Script

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#### Description of the problem We need a tool/script that can update version number everywhere in the project by executing a single command. Following are the constraints, 1. We decide...

Add `ImplicitArray`

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#### Description of the problem As of now in `OneDimensionalArray` and subclasses we store all the data explicitly in memory. `ImplicitArray` will just store a function object. This function object...