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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
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<A NAME="PetscMallocA"><H1>PetscMallocA</H1></A>
Allocate and optionally clear one or more objects, possibly using coalesced malloc
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Sys/PetscMallocA.html#PetscMallocA">PetscMallocA</A>(int n,<A HREF="../Sys/PetscBool.html#PetscBool">PetscBool</A> clear,int lineno,const char *function,const char *filename,size_t bytes0,void *ptr0,...)
</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>n </B></TD><TD>- number of objects to allocate (at least 1)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>clear </B></TD><TD>- use calloc() to allocate space initialized to zero
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>lineno </B></TD><TD>- line number to attribute allocation (typically __LINE__)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>function </B></TD><TD>- function to attribute allocation (typically PETSC_FUNCTION_NAME)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>filename </B></TD><TD>- file name to attribute allocation (typically __FILE__)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>bytes0 </B></TD><TD>- first of n object sizes
</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>ptr0 </B></TD><TD>- first of n pointers to allocate
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This function is not normally called directly by users, but rather via the macros <A HREF="../Sys/PetscMalloc1.html#PetscMalloc1">PetscMalloc1</A>(), <A HREF="../Sys/PetscMalloc2.html#PetscMalloc2">PetscMalloc2</A>(), or <A HREF="../Sys/PetscCalloc1.html#PetscCalloc1">PetscCalloc1</A>(), etc.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
PetscMallocAlign(), <A HREF="../Sys/PetscMallocSet.html#PetscMallocSet">PetscMallocSet</A>(), <A HREF="../Sys/PetscMalloc1.html#PetscMalloc1">PetscMalloc1</A>(), <A HREF="../Sys/PetscMalloc2.html#PetscMalloc2">PetscMalloc2</A>(), <A HREF="../Sys/PetscMalloc3.html#PetscMalloc3">PetscMalloc3</A>(), <A HREF="../Sys/PetscMalloc4.html#PetscMalloc4">PetscMalloc4</A>(), <A HREF="../Sys/PetscMalloc5.html#PetscMalloc5">PetscMalloc5</A>(), <A HREF="../Sys/PetscMalloc6.html#PetscMalloc6">PetscMalloc6</A>(), <A HREF="../Sys/PetscMalloc7.html#PetscMalloc7">PetscMalloc7</A>(), <A HREF="../Sys/PetscCalloc1.html#PetscCalloc1">PetscCalloc1</A>(), <A HREF="../Sys/PetscCalloc2.html#PetscCalloc2">PetscCalloc2</A>(), <A HREF="../Sys/PetscCalloc3.html#PetscCalloc3">PetscCalloc3</A>(), <A HREF="../Sys/PetscCalloc4.html#PetscCalloc4">PetscCalloc4</A>(), <A HREF="../Sys/PetscCalloc5.html#PetscCalloc5">PetscCalloc5</A>(), <A HREF="../Sys/PetscCalloc6.html#PetscCalloc6">PetscCalloc6</A>(), <A HREF="../Sys/PetscCalloc7.html#PetscCalloc7">PetscCalloc7</A>(), <A HREF="../Sys/PetscFreeA.html#PetscFreeA">PetscFreeA</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/sys/memory/mal.c.html#PetscMallocA">src/sys/memory/mal.c</A>
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