PETSc version 3.15.5
MatTransColoringApplyDenToSp
Given a symbolic matrix product Csp=A*B^T for which a MatTransposeColoring context has been created and a dense matrix Cden=A*Btdense in which Btdens is obtained from MatTransColoringApplySpToDen(), recover sparse matrix Csp from Cden. 
Synopsis
#include "petscmat.h" 
PetscErrorCode MatTransColoringApplyDenToSp(MatTransposeColoring matcoloring,Mat Cden,Mat Csp)
Collective on MatTransposeColoring
Input Parameters
|  | coloring | - coloring context created with MatTransposeColoringCreate() | 
|  | Cden | - matrix product of a sparse matrix and a dense matrix Btdense | 
Output Parameter
Notes
These are used internally for some implementations of MatRARt()
See Also
 MatTransposeColoringCreate(), MatTransposeColoringDestroy(), MatTransColoringApplySpToDen()
Level
advanced
Location
src/mat/interface/matrix.c
Implementations
MatTransColoringApplyDenToSp_SeqAIJ in src/mat/impls/aij/seq/matmatmult.c
Index of all Mat routines
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Index of all manual pages