(JEC) 7/10/15 update README

README.md

 Laguerre Spherical Harmonic Transform
 ======================================
-Version 1.x
+Version 1.x (last update of this file 7/10/15)
 
 Main Author: J.E Campagne - Lab. Accelerateur Lineaire - CNRS/IN2P3 & PARIS-SUD University - France
 	
@@ -21,6 +21,9 @@ git clone https://gitlab.in2p3.fr/campagne/LagSHT.git
 	* lagsht_spheregeom.h (.cc) : set of classes to deeal with the 2D sphere pixelization and libsharp initialization
 	* lagsht_geom.h : define some typedef used in the code for geometry
 	* lagsht_testsuite.c : a simple program to test different piece of the code
+	* laguerre2bessel.h (.cc) : implement the computation of Fourier-Bessel transform from Fourier-Laguerre coeff.
+	* lagsht_bessel.h (.cc) : simple Bessel class (use Boost)
+	* quadinteg.h : Quadrature integration and strategy 
 * **root** directiry 
 	* Makefile that should be tuned to the local platform (*.inc files)
 * **doc** directiry 
@@ -40,9 +43,13 @@ Look at the `libsharp-code/libsharp/sharp_cxx.h` file and add if necessary
 * OpenBLAS (see note Darwin below): 
 
 If the variable `CBLAS` is defined then the code of laguerreTransform.cc use the BLAS matrix multiplication highly optimized. See installation in the Readme.md using
-`git clone https://github.com/xianyi/OpenBLAS.git`	
+`git clone https://github.com/xianyi/OpenBLAS.git`
+	
 **WARNING**: on Darwin the Makefile use the `Accelerate Framework` features which are a bit more effective than OpenBLAS.
 
+* Boost (version >= 1.58):
+
+This is simply header files which are needed to access to the `"boost/math/special_functions/bessel.hpp"` and related headers of the library.
 
 # Compilation
 1. edit Makefile and adapat to local platform :
@@ -100,6 +107,7 @@ If the variable `CBLAS` is defined then the code of laguerreTransform.cc use the
 		2: to test 1D- Laguerre Transform (Synthesis & Analysis)
 		3: to test 2D- pixelization schemes from libsharp 
 		4: to test the full 3D Spherical Harmonic Laguerre trabsform (Synthesis & Analysis) 
+		5: to test the Laguerre -> Bessel transform 
 	> <geometry>
 		Gauss : use the Gauss quadrature by default Ntheta = Lmax and
 		 Nphi = 2Lmax - 1.