MatResetHash

Reset the matrix so that it will use a hash table for the next round of MatSetValues() and MatAssemblyBegin()/MatAssemblyEnd().

Synopsis

#include "petscmat.h" 
PetscErrorCode MatResetHash(Mat A)

Collective

Input Parameter

• A - the matrix

Notes

The matrix will again delete the hash table data structures after following calls to MatAssemblyBegin()/MatAssemblyEnd() with MAT_FINAL_ASSEMBLY.

Currently only supported for MATAIJ matrices.

See Also

Matrices, Mat, MatResetPreallocation()

Level

intermediate

Location

src/mat/interface/matrix.c

Implementations

MatResetHash_MPIAIJ() in src/mat/impls/aij/mpi/mpiaij.c
MatResetHash_SeqAIJ() in src/mat/impls/aij/seq/aij.c

---

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages