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Bitpit
Scientific computing software library From Wikipedia, the free encyclopedia
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bitpit[1] is an open source modular library for scientific computing. The goal of bitpit is to ease the burden of writing scientific programs providing the common building blocks needed by every scientific application.
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Each module of the bitpit library is developed to address a specific aspect of real-life application development. Modules can be used as building blocks to quickly develop a high-performance scientific application. The library consists of several modules ranging from low level functionalities like algebraic operators to high level functionalities like the evaluation of distance functions on computational meshes.
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Features and modules
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Features and the modules of bitpit include:
- Cartesian and unstructured volume and surface meshes
- Parallel linear quadtree/octree with load balancing and 2:1 balancing (PABLO [2][3][4][5][6][7][8][9][10] - PArallel Balanced Linear Octree)
- Basic container object for different types of meshes (surface and volume) which allows the concomitant use of more than one mesh at the same time
- Methods for the evaluation of signed and unsigned distance functions from generic objects immersed in a computational mesh
- Basic algebraic operators (Addition, subtraction, multiplication, division), mathematical functions (dot product, cross product, norm, absolute value), stream operators and display functions for some of the Standard Template Library (STL) containers
- A collection of useful containers for scientific applications.
- binary buffers for parallel data exchange and high level methods for handling MPI parallel communications.
- methods for reading and writing common data files, like DGF (Dune Grid Format), STL (STereo Litography) and VTK (Visualization ToolKit) files, and for handling logfiles.
- tools for handling and solving small dense linear systems.
- Radial Basis Function interpolation and parametrization even with large set of nodes.
- Sorting algorithms (LIFO, kd-tree, and binary tree)
- A computational geometry methods collection
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