1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Vec/VecGetOwnershipRange.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>VecGetOwnershipRange</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.14.5 v3.14.5 docs/manualpages/Vec/VecGetOwnershipRange.html "><small>Report Typos and Errors</small></a></div>
<A NAME="VecGetOwnershipRange"><H1>VecGetOwnershipRange</H1></A>
Returns the range of indices owned by this processor, assuming that the vectors are laid out with the first n1 elements on the first processor, next n2 elements on the second, etc. For certain parallel layouts this range may not be well defined.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscvec.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Vec/VecGetOwnershipRange.html#VecGetOwnershipRange">VecGetOwnershipRange</A>(<A HREF="../Vec/Vec.html#Vec">Vec</A> x,<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> *low,<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> *high)
</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>x </B></TD><TD>- the vector
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>low </B></TD><TD>- the first local element, pass in NULL if not interested
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>high </B></TD><TD>- one more than the last local element, pass in NULL if not interested
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
The high argument is one more than the last element stored locally.
<P>
Fortran: PETSC_NULL_INTEGER should be used instead of NULL
<P>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Mat/MatGetOwnershipRange.html#MatGetOwnershipRange">MatGetOwnershipRange</A>(), <A HREF="../Mat/MatGetOwnershipRanges.html#MatGetOwnershipRanges">MatGetOwnershipRanges</A>(), <A HREF="../Vec/VecGetOwnershipRanges.html#VecGetOwnershipRanges">VecGetOwnershipRanges</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/vec/vec/interface/vector.c.html#VecGetOwnershipRange">src/vec/vec/interface/vector.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/vec/vec/utils/tagger/tutorials/ex1.c.html">src/vec/vec/utils/tagger/tutorials/ex1.c.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex3.c.html">src/vec/vec/tutorials/ex3.c.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex5.c.html">src/vec/vec/tutorials/ex5.c.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex8.c.html">src/vec/vec/tutorials/ex8.c.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex9.c.html">src/vec/vec/tutorials/ex9.c.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex10.c.html">src/vec/vec/tutorials/ex10.c.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex15.c.html">src/vec/vec/tutorials/ex15.c.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex16.c.html">src/vec/vec/tutorials/ex16.c.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex18.c.html">src/vec/vec/tutorials/ex18.c.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex3f.F.html">src/vec/vec/tutorials/ex3f.F.html</A><BR>
<A HREF="../../../src/vec/vec/tutorials/ex5f.F90.html">src/vec/vec/tutorials/ex5f.F90.html</A><BR>
<BR><A HREF="./index.html">Index of all Vec routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
</BODY></HTML>
|
