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<TITLE>PetscRandomGetValueImaginary</TITLE>
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<A NAME="PetscRandomGetValueImaginary"><H1>PetscRandomGetValueImaginary</H1></A>
Generates a random number. Call this after first calling <A HREF="../Sys/PetscRandomCreate.html#PetscRandomCreate">PetscRandomCreate</A>().
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode PetscRandomGetValueImaginary(PetscRandom r,PetscScalar *val)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Intput Parameter</FONT></H3>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>r </B></TD><TD>- the random number generator context
</TD></TR>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>val </B></TD><TD>- the value
</TD></TR>
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-random_type petscrand48</B></TD><TD>- . -random_type petscrand
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-random_type sprng, uses SPRNG package</B></TD><TD>-
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
Use <A HREF="../Vec/VecSetRandom.html#VecSetRandom">VecSetRandom</A>() to set the elements of a vector to random numbers.
<P>
<H3><FONT COLOR="#CC3333">Example of Usage</FONT></H3>
<PRE>
<A HREF="../Sys/PetscRandomCreate.html#PetscRandomCreate">PetscRandomCreate</A>(<A HREF="../Sys/PETSC_COMM_WORLD.html#PETSC_COMM_WORLD">PETSC_COMM_WORLD</A>,&r);
<A HREF="../Sys/PetscRandomGetValueImaginary.html#PetscRandomGetValueImaginary">PetscRandomGetValueImaginary</A>(r,&value1);
<A HREF="../Sys/PetscRandomGetValueImaginary.html#PetscRandomGetValueImaginary">PetscRandomGetValueImaginary</A>(r,&value2);
<A HREF="../Sys/PetscRandomGetValueImaginary.html#PetscRandomGetValueImaginary">PetscRandomGetValueImaginary</A>(r,&value3);
<A HREF="../Sys/PetscRandomDestroy.html#PetscRandomDestroy">PetscRandomDestroy</A>(r);
</PRE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscRandomCreate.html#PetscRandomCreate">PetscRandomCreate</A>(), <A HREF="../Sys/PetscRandomDestroy.html#PetscRandomDestroy">PetscRandomDestroy</A>(), <A HREF="../Vec/VecSetRandom.html#VecSetRandom">VecSetRandom</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/random/interface/random.c.html#PetscRandomGetValueImaginary">src/sys/random/interface/random.c</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/ksp/ksp/examples/tutorials/ex11.c.html">src/ksp/ksp/examples/tutorials/ex11.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex11f.F.html">src/ksp/ksp/examples/tutorials/ex11f.F.html</A><BR>
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