New API for Mat-Mat operations (!2524) · Merge requests · PETSc / petsc · GitLab

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Hong Zhang requested to merge hzhng/matproduct-api into master Feb 13, 2020

This branch reorganizes the API of mat-mat operations: AB, AtB, ABt, PtAP, RARt, AB*C.

see matproduct.c for detailed description of new API
removed API function XXXSymbolic() and XXXNumeric()
removed subroutines MatMatMult_xxx, MatPtAP_xxx, ...
modified MatxxxSymbolic_XXX() prototype (product is an input now)
selection of algorithm is in MatProductSetFromOptions_xxx()

Edited Feb 25, 2020 by Hong Zhang