GitLab

Implemented dense tensorial Chebyshev kernel + add test, fixed some failing utests by comparing RELATIVE errors instead of absolute.

Fixed handling of non homogeneous kernels of interactions (aka matrix kernel) in Uniform kernel (TODO Fix in Chebyshev if relevant), Introduced blockwise evaluation of tensorial matrix kernel (+redesign precomputation), added input parameter in AbstractUnifKernel (for OptiDis non singular Ra_{ijk} or any matrix kernel requiring an extra parameter), +divers test fixing.

Introduced tensorial physical value, potential and force (through templatization of P2PParticleContainer with dimensions NRHS and NLHS, default NRHS=NLHS=1). ChebTensorial kernel does not support this yet (TODO apply same modif on ChebInterpolator).

Implemented a tensorial version for ChebyshevSym kernel (currently in separate files for clarity/safety, TODO finalize and merge), cleaned up tensorial Uniform kernel.

A new loader to load results files, an example of its use, a test file for the class, and an exec to create results files have been added

Introduced tensorial kernels for Uniform FMM (NB: Chebyshev UCB incompatible, TODO Chebyshev Sym), tested for kernel R_{,ij} and its derivative, fixed multidimensionnal fft, + some cleanup.

Change to kernel constructor prototype for Chebyshev and Uniform. Changes propagated to all Test and UTest files (I hope)

Chebyshev and Uniform kernels can be used now with distributed algorithm. 2 test files have been added to use these kernels with FmmAlgorithmThreadProc

Implementation of Symmetric Uniform Kernel, optimized evaluation of derivative of Lagrange polynomials.

Implemented UniformGrid/Lagrange interpolation and factorized interpolation specific elements such as the MatrixKernel, Tensor and Mapping classes + Added required tests.

MpiBuffer works fine, a test file using MPI and Rotation kernel has been created in Tests/Utils, FBufferWriter/Reader is no longer used in testFmmAlgorithmProc

Create the periodic system using normal FMM functions for all kernels, add unit test for all 3 kernels, be aware that current particles are randomly generated and not real system for periodic simulations