petsc-master 2020-10-29
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MatDenseReplaceArray

Allows one to replace the array in a dense matrix with an array provided by the user. This is useful to avoid copying an array into a matrix

Synopsis

#include "petscmat.h"  
PetscErrorCode  MatDenseReplaceArray(Mat mat,const PetscScalar *array)
Not Collective

Input Parameters

mat - the matrix
array - the array in column major order

Notes

The memory passed in MUST be obtained with PetscMalloc() and CANNOT be freed by the user. It will be freed when the matrix is destroyed.

See Also

MatDenseGetArray(), VecReplaceArray()

Level

developer

Location

src/mat/impls/dense/mpi/mpidense.c

Implementations

MatDenseReplaceArray_MPIDense in src/mat/impls/dense/mpi/mpidense.c
MatDenseReplaceArray_SeqDense in src/mat/impls/dense/seq/dense.c

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Index of all manual pages