PETSc version 3.16.6
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MatTransColoringApplySpToDen

 Given a symbolic matrix product C=A*B^T for which a MatTransposeColoring context has been created, computes a dense B^T by Apply MatTransposeColoring to sparse B.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatTransColoringApplySpToDen(MatTransposeColoring coloring,Mat B,Mat Btdense)
Collective on MatTransposeColoring

Input Parameters

B - sparse matrix B
Btdense - symbolic dense matrix B^T
coloring - coloring context created with MatTransposeColoringCreate()

Output Parameter

Btdense - dense matrix B^T

Notes

These are used internally for some implementations of MatRARt()

See Also

MatTransposeColoringCreate(), MatTransposeColoringDestroy(), MatTransColoringApplyDenToSp()

Level

advanced

Location

src/mat/interface/matrix.c

Implementations

MatTransColoringApplySpToDen_SeqAIJ in src/mat/impls/aij/seq/matmatmult.c

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