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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