MatMPIAdjSetPreallocation

Sets the array used for storing the matrix elements

Synopsis

#include "petscmat.h" 
PetscErrorCode MatMPIAdjSetPreallocation(Mat B, PetscInt *i, PetscInt *j, PetscInt *values)

Logically Collective

Input Parameters

• A - the matrix

• i - the indices into j for the start of each row

• j - the column indices for each row (sorted for each row). The indices in i and j start with zero (NOT with one).

• values - [use NULL if not provided] edge weights

See Also

Matrices, Mat, MatCreate(), MatCreateMPIAdj(), MatSetValues(), MATMPIADJ, MatCreateMPIAdj()

Level

intermediate

Location

src/mat/impls/adj/mpi/mpiadj.c

Implementations

MatMPIAdjSetPreallocation_MPIAdj in src/mat/impls/adj/mpi/mpiadj.c

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