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
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Sys/PetscMemzero.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>PetscMemzero</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="PetscMemzero"><H1>PetscMemzero</H1></A>
Zeros the specified memory.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
PETSC_STATIC_INLINE PetscErrorCode PetscMemzero(void *a,size_t n)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>a </B></TD><TD>- pointer to beginning memory location
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD>- length (in bytes) of memory to initialize
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Compile Option</FONT></H3>
PETSC_PREFER_BZERO - on certain machines (the IBM RS6000) the bzero() routine happens
to be faster than the memset() routine. This flag causes the bzero() routine to be used.
<P>
Developer Note: this is inlined for fastest performance
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscMemcpy.html#PetscMemcpy">PetscMemcpy</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../include/petscsys.h.html#PetscMemzero">include/petscsys.h</A>
<BR><A HREF="./index.html">Index of all Sys 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>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/sys/examples/tutorials/ex5.c.html">src/sys/examples/tutorials/ex5.c.html</A><BR>
<A HREF="../../../src/mat/examples/tutorials/ex5.c.html">src/mat/examples/tutorials/ex5.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex10.c.html">src/ksp/ksp/examples/tutorials/ex10.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex28.c.html">src/ksp/ksp/examples/tutorials/ex28.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex42.c.html">src/ksp/ksp/examples/tutorials/ex42.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex43.c.html">src/ksp/ksp/examples/tutorials/ex43.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex49.c.html">src/ksp/ksp/examples/tutorials/ex49.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex4.c.html">src/snes/examples/tutorials/ex4.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex7.c.html">src/snes/examples/tutorials/ex7.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex15.c.html">src/snes/examples/tutorials/ex15.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex48.c.html">src/snes/examples/tutorials/ex48.c.html</A><BR>
</BODY></HTML>
|
