PETSc version 3.15.5
MatMPIDenseSetPreallocation
Sets the array used to store the matrix entries
Synopsis
#include "petscmat.h"
PetscErrorCode MatMPIDenseSetPreallocation(Mat B,PetscScalar *data)
Collective
Input Parameters
| data | - optional location of matrix data. Set data=NULL for PETSc
to control all matrix memory allocation.
|
Notes
The dense format is fully compatible with standard Fortran 77
storage by columns.
The data input variable is intended primarily for Fortran programmers
who wish to allocate their own matrix memory space. Most users should
set data=NULL.
See Also
MatCreate(), MatCreateSeqDense(), MatSetValues()
Level
intermediate
Location
src/mat/impls/dense/mpi/mpidense.c
Implementations
MatMPIDenseSetPreallocation_MPIDense in src/mat/impls/dense/mpi/mpidense.c
Index of all Mat routines
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Index of all manual pages