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README

                             FLAG CODE 
                http://astro-informatics.github.io/flag
              Fast Fourier-Laguerre transform on the ball
	   Exact spherical Bessel and Fourier-Bessel transforms
  ----------------------------------------------------------------

DESCRIPTION
     The FLAG code provides functionality to perform fast and exact
     Fourier-Laguerre and Fourier-Bessel transforms on the ball.

VERSION
     Release 1.0b1, November 2012

AUTHORS
     B. Leistedt (www.ixkael.com/blog)
     J. D. McEwen (www.jasonmcewen.org)

REFERENCES
     B. Leistedt and J. D. McEwen, Exact Wavelets on the Ball, 
     IEEE Trans. Sig. Proc., 60, 2012 (arXiv:1205.0792)
     
     J. D. McEwen and Y. Wiaux, A novel sampling theorem on the
     sphere, IEEE Trans. Sig. Proc., 59, 2011 (arXiv:1110.6298).

DOCUMENTATION
     See doc/index.html

INSTALLATION
     See documentation

REQUIREMENTS
     SSHT (http://www.spinsht.org)
     FFTW (http://www.fftw.org)

DOWNLOAD
     http://www.jasonmcewen.org/codes.html

SUPPORT
     Please email the authors.

NOTE
     The package is in beta and is still under development.
     Please report problems/bugs by email to: boris.leistedt@gmail.com

LICENSE
     FLAG package to perform fast wavelet transform on the sphere<br>
     Copyright (C) 2012 Boris Leistedt & Jason McEwen

     This program is free software; you can redistribute it and/or
     modify it under the terms of the GNU General Public License
     as published by the Free Software Foundation; either version 2
     of the License, or (at your option) any later version.

     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details (LICENSE.txt).

     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
     MA  02110-1301, USA.

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