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-<h2>hat file format</h2>
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-<TD><font size=-1><A HREF="../online.html">Main Table of Contents</A></font></TD>
-<TD ALIGN=RIGHT><B>VERSION 4.6</B></TR>
-<TR><TD><font size=-1><A HREF="http://www.gromacs.org">GROMACS homepage</A></font></TD>
-<TD ALIGN=RIGHT><B>Sat 19 Jan 2013</B></TR></TABLE></CENTER><HR>
-<h3>Description</h3>
-Files with the hat file extension contain
-a fourier transform of a spread function used in the PPPM algorithm.
-Eigenvectors are produced by <a href="mk_ghat.html">mk_ghat</a>
-and read by <a href="mdrun.html">mdrun</a>.
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{ eftASC, ".m2p", "ps", NULL, "Input file for mat2ps"},
{ eftXDR, ".mtx", "hessian", "-m", "Hessian matrix"},
{ eftASC, ".edi", "sam", NULL, "ED sampling input"},
- { eftASC, ".hat", "gk", NULL, "Fourier transform of spread function" },
{ eftASC, ".cub", "pot", NULL, "Gaussian cube file" },
{ eftASC, ".xpm", "root", NULL, "X PixMap compatible matrix file" },
{ eftASC, "", "rundir", NULL, "Run directory" }