Add indiesort, pcg-rand

Author: mattreecebentley

README.md

@@ -641,6 +641,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [linmath.h](https://github.com/datenwolf/linmath.h) - A lean linear math library, aimed at graphics programming. [WTFPL]
 * [lp_solve](https://sourceforge.net/projects/lpsolve) - A library used to formulate and solve linear programming problems. [LGPL] [website](http://lpsolve.sourceforge.net)
 * [OpenBLAS](https://github.com/xianyi/OpenBLAS) - An optimized BLAS library based on GotoBLAS2 1.13 BSD version. [BSD 3-clause] [website](http://www.openblas.net/)
+* [PCG-rand](https://www.pcg-random.org/) - PCG is a family of simple fast space-efficient statistically good algorithms for random number generation. Unlike many general-purpose RNGs, they are also hard to predict. [Apache]
 * [QuantLib](https://github.com/lballabio/quantlib) - A free/open-source library for quantitative finance. [Modified BSD] [website](http://quantlib.org/)
 * [StatsLib](https://github.com/kthohr/stats) - A C++ header-only library of statistical distribution functions. [Apache2] [website](https://www.kthohr.com/statslib.html)
 * [SymEngine](https://github.com/symengine/symengine) - Fast symbolic manipulation library, a rewriting of SymPy's core in C++. [MIT]
@@ -851,6 +852,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 
 * [pdqsort](https://github.com/orlp/pdqsort) - Pattern-defeating quicksort. [zlib]
 * [Timsort](https://github.com/gfx/cpp-TimSort) - A templated stable sorting function which outperforms quicksort-based algorithms including std::sort, for reversed or semi-sorted data. [MIT]
+* [Indiesort](https://github.com/mattreecebentley/plf_indiesort) - A sort wrapper which enables the use of std::sort (& other random-access sort functions) with non-random-access containers, and also improves sort performance for large/non-trivially-copyable types in random-access containers and arrays. [zLib] [website](https://plflib.org/indiesort.htm)
 
 ## Video