petsc-3.11.4 2019-09-28
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MatSeqDenseSetPreallocation

Sets the array used for storing the matrix elements

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatSeqDenseSetPreallocation(Mat B,PetscScalar data[])
Collective on MPI_Comm

Input Parameters

B - the matrix
data - the array (or NULL)

Notes

The data input variable is intended primarily for Fortran programmers who wish to allocate their own matrix memory space. Most users should need not call this routine.

Keywords

dense, matrix, LAPACK, BLAS

See Also

MatCreate(), MatCreateDense(), MatSetValues(), MatSeqDenseSetLDA()

Level

intermediate

Location

src/mat/impls/dense/seq/dense.c

Examples

src/mat/examples/tutorials/ex2.c.html
src/ksp/ksp/examples/tutorials/ex30.c.html

Implementations

MatSeqDenseSetPreallocation_SeqDense in src/mat/impls/dense/seq/dense.c

Index of all Mat routines
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Index of all manual pages