File: MatRestoreArray.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD>
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>MatRestoreArray</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<A NAME="MatRestoreArray"><H1>MatRestoreArray</H1></A>
Restores the matrix after <A HREF="../Mat/MatGetArray.html#MatGetArray">MatGetArray</A>() has been called. 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h" 
int MatRestoreArray(Mat mat,PetscScalar *v[])
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>mat </B></TD><TD>- the matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>v </B></TD><TD>- the location of the values
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Fortran Note</FONT></H3>
This routine is used differently from Fortran, e.g.,
<PRE>
        <A HREF="../Mat/Mat.html#Mat">Mat</A>         mat
        <A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A> mat_array(1)
        PetscOffset i_mat
        int         ierr
        call <A HREF="../Mat/MatGetArray.html#MatGetArray">MatGetArray</A>(mat,mat_array,i_mat,ierr)

  C  Access first local entry in matrix; note that array is
  C  treated as one dimensional
        value = mat_array(i_mat + 1)

        [... other code ...]
        call <A HREF="../Mat/MatRestoreArray.html#MatRestoreArray">MatRestoreArray</A>(mat,mat_array,i_mat,ierr)
</PRE>

<P>
See the Fortran chapter of the users manual and
petsc/src/mat/examples/tests for details
<P>

<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 <A HREF="../Mat/MatGetArray.html#MatGetArray">MatGetArray</A>(), <A HREF="../Mat/MatRestoreArrayF90.html#MatRestoreArrayF90">MatRestoreArrayF90</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/interface/matrix.c.html#MatRestoreArray">src/mat/interface/matrix.c</A>
<BR><A HREF="./index.html">Index of all Mat routines</A>
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