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<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="VecScatterFFTWToPetsc"><H1>VecScatterFFTWToPetsc</H1></A>
Converts FFTW output to the PETSc vector.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
#include "petscvec.h"
PetscErrorCode VecScatterFFTWToPetsc(Mat A,Vec x,Vec y)
</PRE>
Collective on <A HREF="../Mat/Mat.html#Mat">Mat</A>
<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>- FFTW matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>x </B></TD><TD>- FFTW vector
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<DT><B>y </B> -PETSc vector
<br>
<P>
<P>
Note: While doing real transform the FFTW output of backward DFT contains extra zeros at the end of last dimension.
<A HREF="../Mat/VecScatterFFTWToPetsc.html#VecScatterFFTWToPetsc">VecScatterFFTWToPetsc</A> removes those extra zeros.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Mat/VecScatterPetscToFFTW.html#VecScatterPetscToFFTW">VecScatterPetscToFFTW</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/impls/fft/fftw/fftw.c.html#VecScatterFFTWToPetsc">src/mat/impls/fft/fftw/fftw.c</A>
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