Malin Ljungberg

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This is a status report of a long-term research eeort focusing on object-oriented modeling of parallel PDE solvers, based on nite diierence methods on composite, structured grids. Two previous results of this eeort are reviewed, the class libraries Cogito and Compose. Cogito is implemented in Fortran 90, with MPI for the message passing, and provides(More)
Symmetry exploiting software based on the generalized Fourier transform (GFT) is presented from a practical design point of view. The algorithms and data structures map closely to the relevant mathematical abstractions, which primarily are based upon representation theory for groups. Particular care has been taken in the design of the data layout of the(More)
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