diff --git a/CHANGES b/CHANGES
new file mode 100644
--- /dev/null
+++ b/CHANGES
@@ -0,0 +1,39 @@
+0.5.0: 31 Jul 2011
+   * initial preview release
+
+0.5.1: 3 Aug 2011
+   * support for delete 
+
+0.6: 16 Aug 2011
+   * implement Deletable. delete method for every object
+   * refactor HROOT generated file names (Interface.hs, Implementation.hs, FFI.hs) 
+
+0.6.3: 22 Sep 2011 
+   * Implement Existential Types 
+
+0.6.4: 28 Sep 2011 
+   * add many TH2 class methods
+
+0.6.6: 7 Oct 2011 
+   * do not need OverlappingInstances, IncoherentInstances, UndecidableInstances 
+
+
+0.6.7: 18 Oct 2011
+   * implement almost all TH1 class methods
+
+0.6.8: 20 Oct 2011
+   * implement almost all class methods of TH2, TH3, TFormula, TF1 and TGraph
+
+0.6.9: 20 Oct 2011 
+   * implement almost all class methods of TLine, TAttLine, TAttMarker, TAttText and TAttPad
+
+0.7 : 8 Nov 2011
+   * separate all class interfaces and implementation in different modules
+   * overhaul Existential 
+
+0.7.1 : 12 Nov 2011 
+   * support for static methods
+   * add TROOT
+
+0.8 : 17 Jun 2014
+   * separate packages into HROOT-core, HROOT-hist, HROOT-io, HROOT-math, HROOT-graf and HROOT is now an umbrella package
diff --git a/Config.hs b/Config.hs
new file mode 100644
--- /dev/null
+++ b/Config.hs
@@ -0,0 +1,85 @@
+{-# LANGUAGE ScopedTypeVariables #-}
+
+module Config where
+ 
+import Distribution.Simple
+import Distribution.Simple.Setup
+import Distribution.PackageDescription
+import Distribution.Simple.LocalBuildInfo
+
+import System.Exit
+import System.Process
+
+config :: LocalBuildInfo -> IO (Maybe HookedBuildInfo)
+config bInfo = do 
+  (excode, out, err) <- readProcessWithExitCode "root-config" ["--glibs"] ""
+  liboptset' <- case excode of 
+                  ExitSuccess -> do  
+                    return . Just .  mkLibraryOptionSet . words $ out
+                  _ -> do 
+                    putStrLn $ "root-config failure but I am installing HROOT without ROOT. It will not work. This is only for documentation." 
+                    return Nothing              
+  (excode2,out2,err2) <- readProcessWithExitCode "root-config" ["--incdir"] ""
+  incdir' <- case excode2 of 
+               ExitSuccess -> do  
+                 return . Just . head . words $ out2
+               _ -> do 
+                 putStrLn $ "root-config failure but I am installing HROOT without ROOT. It will not work. This is only for documentation." 
+                 return Nothing
+  let Just lib = library . localPkgDescr $ bInfo
+      buildinfo = libBuildInfo lib
+  let (r :: Maybe HookedBuildInfo) = case liboptset' of 
+            Nothing -> Nothing
+            Just liboptset -> 
+              case incdir' of 
+                Nothing -> Nothing 
+                Just incdir -> 
+                  let hbi = emptyBuildInfo { extraLibs = extraLibs buildinfo 
+                                                         ++ libs liboptset
+                                           , extraLibDirs = libdirs liboptset 
+                                           , includeDirs = incdir : includeDirs buildinfo
+                                           }
+                  in Just (Just hbi, []) 
+  return r 
+
+
+data LibraryOptionSet = LibraryOptionSet { 
+  libs :: [String], 
+  libdirs :: [String], 
+  libopts :: [String]
+} deriving Show
+
+data LibraryOption = Lib String 
+                   | Dir String
+                   | Opt String 
+                   deriving Show
+
+mkLibraryOptionSet :: [String] -> LibraryOptionSet
+mkLibraryOptionSet strs = let opts = libraryOptions strs
+                          in  foldr f (LibraryOptionSet [] [] []) opts 
+  where f x (LibraryOptionSet l d o) = case x of
+                                         Lib st -> LibraryOptionSet (st:l) d o 
+                                         Dir st -> LibraryOptionSet l (st:d) o 
+                                         Opt st -> LibraryOptionSet l d (st:o) 
+
+libraryOptions :: [String] -> [LibraryOption] -- LibraryOptionSet 
+libraryOptions = map f 
+  where f x = let r = parseLibraryOptionClassifier x
+              in  case r of 
+                    Left msg -> error (show msg)
+                    Right result -> result
+
+
+parseLibraryOptionClassifier :: String -> Either String LibraryOption 
+parseLibraryOptionClassifier [] = Left "empty option"
+parseLibraryOptionClassifier str@(x:xs) = 
+  case x of
+    '-' -> if null xs 
+             then Left "parse error"
+             else let (y:ys) = xs
+                  in  case y of
+                        'L' -> Right (Dir ys)
+                        'l' -> Right (Lib ys)
+                        _ -> Right (Opt str)
+    _ -> Right (Opt str) 
+
diff --git a/HROOT-math.cabal b/HROOT-math.cabal
new file mode 100644
--- /dev/null
+++ b/HROOT-math.cabal
@@ -0,0 +1,53 @@
+Name:		HROOT-math
+Version:	0.8
+Synopsis:	Haskell binding to ROOT Math modules
+Description: 	HROOT is a haskell Foreign Function Interface (FFI) binding to ROOT. ROOT(http://root.cern.ch) is an object-oriented program and library developed by CERN for physics data analysis.
+Homepage:       http://ianwookim.org/HROOT
+License:        LGPL-2.1
+License-file:   LICENSE
+Author:		Ian-Woo Kim
+Maintainer: 	Ian-Woo Kim <ianwookim@gmail.com>
+Category:       Graphics, Statistics, Math, Numerical
+Tested-with:    GHC >= 7.6
+Build-Type: 	Custom
+cabal-version:  >=1.10
+Extra-source-files: 
+                       CHANGES
+                       Config.hs
+                       csrc/HROOTMathTRandom.h
+                       csrc/HROOTMathTRandom.cpp
+
+
+
+
+Library
+  default-language: Haskell2010
+  hs-source-dirs: src
+  ghc-options:  -Wall -funbox-strict-fields -fno-warn-unused-do-bind -fno-warn-orphans -fno-warn-unused-imports
+  ghc-prof-options: -caf-all -auto-all
+  Build-Depends:      base>4 && < 5, fficxx-runtime >= 0.0.999 ,HROOT-core
+  Exposed-Modules:
+                       HROOT.Math
+                       HROOT.Math.TRandom
+                       HROOT.Math.TRandom.RawType
+                       HROOT.Math.TRandom.FFI
+                       HROOT.Math.TRandom.Interface
+                       HROOT.Math.TRandom.Cast
+                       HROOT.Math.TRandom.Implementation
+  
+  Other-Modules:
+
+  extra-lib-dirs: 
+  extra-libraries:    stdc++ 
+  Include-dirs:       csrc  
+  Install-includes:   
+                       HROOT-mathType.h
+                       HROOTMathTRandom.h
+
+  C-sources:          
+                       csrc/HROOTMathTRandom.cpp
+
+
+   
+
+
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,502 @@
+                  GNU LESSER GENERAL PUBLIC LICENSE
+                       Version 2.1, February 1999
+
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+ Everyone is permitted to copy and distribute verbatim copies
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+and reuse of software generally.
+
+                            NO WARRANTY
+
+  15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
+WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
+EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
+OTHER PARTIES PROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY OF ANY
+KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE
+LIBRARY IS WITH YOU.  SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME
+THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
+WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
+AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
+FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
+CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
+LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
+RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
+FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
+SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGES.
+
+                     END OF TERMS AND CONDITIONS
+
+           How to Apply These Terms to Your New Libraries
+
+  If you develop a new library, and you want it to be of the greatest
+possible use to the public, we recommend making it free software that
+everyone can redistribute and change.  You can do so by permitting
+redistribution under these terms (or, alternatively, under the terms of the
+ordinary General Public License).
+
+  To apply these terms, attach the following notices to the library.  It is
+safest to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the library's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+Also add information on how to contact you by electronic and paper mail.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the library, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the
+  library `Frob' (a library for tweaking knobs) written by James Random Hacker.
+
+  <signature of Ty Coon>, 1 April 1990
+  Ty Coon, President of Vice
+
+That's all there is to it!
diff --git a/Setup.lhs b/Setup.lhs
new file mode 100644
--- /dev/null
+++ b/Setup.lhs
@@ -0,0 +1,33 @@
+#! /usr/bin/env runhaskell
+  
+> import Distribution.Simple
+> import Distribution.Simple.Setup
+> import Distribution.PackageDescription
+> import Distribution.Simple.LocalBuildInfo
+>
+> import Config
+>
+> myconfigHook = simpleUserHooks { confHook = hookfunction } 
+>
+> hookfunction x y = do 
+>   binfo <- confHook simpleUserHooks x y 
+>   r_pbi <- config binfo
+>   let pkg_descr = localPkgDescr binfo
+>   
+>   let newbinfo = case r_pbi of 
+>                    Just pbi ->  binfo { localPkgDescr = updatePackageDescription pbi pkg_descr }
+>                    Nothing -> do 
+>                      let r_lib = library pkg_descr 
+>                      case r_lib of
+>                        Just lib ->  
+>                          let binfo2 = libBuildInfo lib
+>                              newlib = lib { libBuildInfo = binfo2 { cSources = [] }}  
+>                          in  binfo { localPkgDescr = pkg_descr { library = Just newlib }}  
+>                        Nothing -> error "some library setting is wrong." 
+> --   putStrLn (show (localPkgDescr newbinfo))
+>   return newbinfo
+>  
+>
+> main = defaultMainWithHooks myconfigHook
+>
+
diff --git a/csrc/HROOT-mathType.h b/csrc/HROOT-mathType.h
new file mode 100644
--- /dev/null
+++ b/csrc/HROOT-mathType.h
@@ -0,0 +1,17 @@
+#ifdef __cplusplus
+extern "C" { 
+#endif
+
+#ifndef __HROOT_MATH__
+#define __HROOT_MATH__
+
+// Opaque type definition for TRandom 
+typedef struct TRandom_tag TRandom_t; 
+typedef TRandom_t * TRandom_p; 
+typedef TRandom_t const* const_TRandom_p; 
+
+#endif // __HROOT_MATH__
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/csrc/HROOTMathTRandom.cpp b/csrc/HROOTMathTRandom.cpp
new file mode 100644
--- /dev/null
+++ b/csrc/HROOTMathTRandom.cpp
@@ -0,0 +1,47 @@
+#include <MacroPatternMatch.h>
+
+#include "HROOTCoreTNamed.h"
+#include "TRandom.h"
+#include "HROOTMathTRandom.h"
+
+using namespace std;
+
+
+template<class ToType, class FromType>
+const ToType* to_const(const FromType* x) {
+  return reinterpret_cast<const ToType*>(x);
+}
+
+template<class ToType, class FromType>
+ToType* to_nonconst(FromType* x) {
+  return reinterpret_cast<ToType*>(x);
+}
+
+template<class ToType, class FromType>
+const ToType& to_constref(const FromType& x) {
+  return reinterpret_cast<const ToType&>(x);
+}
+
+template<class ToType, class FromType>
+ToType& to_nonconstref(FromType& x) {
+  return reinterpret_cast<ToType&>(x);
+}
+
+
+#define CHECKPROTECT(x,y) IS_PAREN(IS_ ## x ## _ ## y ## _PROTECTED)
+
+#define TYPECASTMETHOD(cname,mname,oname) \
+  IIF( CHECKPROTECT(cname,mname) ) ( \
+  (to_nonconst<oname,cname ## _t>), \
+  (to_nonconst<cname,cname ## _t>) )
+
+
+TNAMED_DEF_VIRT(TRandom)
+TOBJECT_DEF_VIRT(TRandom)
+DELETABLE_DEF_VIRT(TRandom)
+
+TRANDOM_DEF_VIRT(TRandom)
+
+TRANDOM_DEF_NONVIRT(TRandom)
+
+
diff --git a/csrc/HROOTMathTRandom.h b/csrc/HROOTMathTRandom.h
new file mode 100644
--- /dev/null
+++ b/csrc/HROOTMathTRandom.h
@@ -0,0 +1,68 @@
+#ifdef __cplusplus
+extern "C" { 
+#endif 
+
+#ifndef __HROOT_MATH__TRandom__
+#define __HROOT_MATH__TRandom__
+
+#include "HROOT-mathType.h"
+
+#include "HROOTCoreTNamed.h"
+#include "HROOTCoreTObject.h"
+#include "HROOTCoreDeletable.h"
+#include "HROOT-coreType.h"
+
+#undef TRANDOM_DECL_VIRT
+#define TRANDOM_DECL_VIRT(Type) \
+int Type ## _GetSeed ( Type ## _p p ); \
+double Type ## _Gaus ( Type ## _p p, double mean, double sigma ); \
+void Type ## _SetSeed ( Type ## _p p, int seed ); \
+double Type ## _Uniform ( Type ## _p p, double x1, double x2 )
+
+#undef TRANDOM_DECL_NONVIRT
+#define TRANDOM_DECL_NONVIRT(Type) \
+Type ## _p Type ## _newTRandom ( int seed )
+
+#undef TRANDOM_DEF_VIRT
+#define TRANDOM_DEF_VIRT(Type)\
+int Type ## _GetSeed ( Type ## _p p )\
+{\
+return TYPECASTMETHOD(Type,GetSeed,TRandom)(p)->GetSeed();\
+}\
+double Type ## _Gaus ( Type ## _p p, double mean, double sigma )\
+{\
+return TYPECASTMETHOD(Type,Gaus,TRandom)(p)->Gaus(mean, sigma);\
+}\
+void Type ## _SetSeed ( Type ## _p p, int seed )\
+{\
+TYPECASTMETHOD(Type,SetSeed,TRandom)(p)->SetSeed(seed);\
+}\
+double Type ## _Uniform ( Type ## _p p, double x1, double x2 )\
+{\
+return TYPECASTMETHOD(Type,Uniform,TRandom)(p)->Uniform(x1, x2);\
+}
+
+#undef TRANDOM_DEF_NONVIRT
+#define TRANDOM_DEF_NONVIRT(Type)\
+Type ## _p Type ## _newTRandom ( int seed )\
+{\
+Type * newp = new Type (seed); \
+return to_nonconst<Type ## _t, Type >(newp);\
+}
+
+TNAMED_DECL_VIRT(TRandom);
+TOBJECT_DECL_VIRT(TRandom);
+DELETABLE_DECL_VIRT(TRandom);
+
+
+TRANDOM_DECL_VIRT(TRandom);
+
+
+TRANDOM_DECL_NONVIRT(TRandom);
+
+
+#endif // __HROOT_MATH__TRandom__
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/HROOT/Math.hs b/src/HROOT/Math.hs
new file mode 100644
--- /dev/null
+++ b/src/HROOT/Math.hs
@@ -0,0 +1,9 @@
+module HROOT.Math (
+module HROOT.Math.TRandom 
+) where
+
+import HROOT.Math.TRandom
+
+
+
+
diff --git a/src/HROOT/Math/TRandom.hs b/src/HROOT/Math/TRandom.hs
new file mode 100644
--- /dev/null
+++ b/src/HROOT/Math/TRandom.hs
@@ -0,0 +1,15 @@
+module HROOT.Math.TRandom
+  (
+    TRandom(..)
+  , ITRandom(..)
+  , upcastTRandom
+  , downcastTRandom
+  , newTRandom
+ 
+  ) where
+
+import HROOT.Math.TRandom.RawType
+import HROOT.Math.TRandom.Interface
+import HROOT.Math.TRandom.Implementation
+
+
diff --git a/src/HROOT/Math/TRandom/Cast.hs b/src/HROOT/Math/TRandom/Cast.hs
new file mode 100644
--- /dev/null
+++ b/src/HROOT/Math/TRandom/Cast.hs
@@ -0,0 +1,22 @@
+{-# LANGUAGE FlexibleInstances, FlexibleContexts, TypeFamilies, 
+             MultiParamTypeClasses, OverlappingInstances, IncoherentInstances #-}
+
+module HROOT.Math.TRandom.Cast where
+
+
+import Foreign.Ptr
+import Foreign.ForeignPtr (castForeignPtr, newForeignPtr_)
+import Foreign.ForeignPtr.Unsafe
+import FFICXX.Runtime.Cast
+import System.IO.Unsafe
+
+import HROOT.Math.TRandom.RawType
+import HROOT.Math.TRandom.Interface
+
+instance (ITRandom a, FPtr a) => Castable a (Ptr RawTRandom) where
+  cast = unsafeForeignPtrToPtr . castForeignPtr . get_fptr
+  uncast = cast_fptr_to_obj . castForeignPtr . unsafePerformIO . newForeignPtr_ 
+
+instance Castable TRandom (Ptr RawTRandom) where
+  cast = unsafeForeignPtrToPtr . castForeignPtr . get_fptr
+  uncast = cast_fptr_to_obj . castForeignPtr . unsafePerformIO . newForeignPtr_ 
diff --git a/src/HROOT/Math/TRandom/FFI.hsc b/src/HROOT/Math/TRandom/FFI.hsc
new file mode 100644
--- /dev/null
+++ b/src/HROOT/Math/TRandom/FFI.hsc
@@ -0,0 +1,71 @@
+{-# LANGUAGE ForeignFunctionInterface #-}
+
+-- module HROOT.Class.FFI where
+
+module HROOT.Math.TRandom.FFI where
+
+
+import Foreign.C            
+import Foreign.Ptr
+
+-- import HROOT.Class.Interface
+
+-- #include ""
+
+import HROOT.Math.TRandom.RawType
+import HROOT.Core.TObject.RawType
+import HROOT.Core.TClass.RawType
+
+#include "HROOTMathTRandom.h"
+
+foreign import ccall "HROOTMathTRandom.h TRandom_SetName" c_trandom_setname 
+  :: (Ptr RawTRandom) -> CString -> IO ()
+
+foreign import ccall "HROOTMathTRandom.h TRandom_SetNameTitle" c_trandom_setnametitle 
+  :: (Ptr RawTRandom) -> CString -> CString -> IO ()
+
+foreign import ccall "HROOTMathTRandom.h TRandom_SetTitle" c_trandom_settitle 
+  :: (Ptr RawTRandom) -> CString -> IO ()
+
+foreign import ccall "HROOTMathTRandom.h TRandom_Draw" c_trandom_draw 
+  :: (Ptr RawTRandom) -> CString -> IO ()
+
+foreign import ccall "HROOTMathTRandom.h TRandom_FindObject" c_trandom_findobject 
+  :: (Ptr RawTRandom) -> CString -> IO (Ptr RawTObject)
+
+foreign import ccall "HROOTMathTRandom.h TRandom_GetName" c_trandom_getname 
+  :: (Ptr RawTRandom) -> IO CString
+
+foreign import ccall "HROOTMathTRandom.h TRandom_IsA" c_trandom_isa 
+  :: (Ptr RawTRandom) -> IO (Ptr RawTClass)
+
+foreign import ccall "HROOTMathTRandom.h TRandom_Paint" c_trandom_paint 
+  :: (Ptr RawTRandom) -> CString -> IO ()
+
+foreign import ccall "HROOTMathTRandom.h TRandom_printObj" c_trandom_printobj 
+  :: (Ptr RawTRandom) -> CString -> IO ()
+
+foreign import ccall "HROOTMathTRandom.h TRandom_SaveAs" c_trandom_saveas 
+  :: (Ptr RawTRandom) -> CString -> CString -> IO ()
+
+foreign import ccall "HROOTMathTRandom.h TRandom_Write" c_trandom_write 
+  :: (Ptr RawTRandom) -> CString -> CInt -> CInt -> IO CInt
+
+foreign import ccall "HROOTMathTRandom.h TRandom_delete" c_trandom_delete 
+  :: (Ptr RawTRandom) -> IO ()
+
+foreign import ccall "HROOTMathTRandom.h TRandom_newTRandom" c_trandom_newtrandom 
+  :: CInt -> IO (Ptr RawTRandom)
+
+foreign import ccall "HROOTMathTRandom.h TRandom_GetSeed" c_trandom_getseed 
+  :: (Ptr RawTRandom) -> IO CInt
+
+foreign import ccall "HROOTMathTRandom.h TRandom_Gaus" c_trandom_gaus 
+  :: (Ptr RawTRandom) -> CDouble -> CDouble -> IO CDouble
+
+foreign import ccall "HROOTMathTRandom.h TRandom_SetSeed" c_trandom_setseed 
+  :: (Ptr RawTRandom) -> CInt -> IO ()
+
+foreign import ccall "HROOTMathTRandom.h TRandom_Uniform" c_trandom_uniform 
+  :: (Ptr RawTRandom) -> CDouble -> CDouble -> IO CDouble
+
diff --git a/src/HROOT/Math/TRandom/Implementation.hs b/src/HROOT/Math/TRandom/Implementation.hs
new file mode 100644
--- /dev/null
+++ b/src/HROOT/Math/TRandom/Implementation.hs
@@ -0,0 +1,88 @@
+{-# LANGUAGE ForeignFunctionInterface, TypeFamilies, MultiParamTypeClasses, 
+             FlexibleInstances, TypeSynonymInstances, EmptyDataDecls, 
+             OverlappingInstances, IncoherentInstances #-}
+
+module HROOT.Math.TRandom.Implementation where
+
+
+import FFICXX.Runtime.Cast
+
+import HROOT.Math.TRandom.RawType
+import HROOT.Math.TRandom.FFI
+import HROOT.Math.TRandom.Interface
+import HROOT.Math.TRandom.Cast
+import HROOT.Core.TClass.RawType
+import HROOT.Core.TClass.Cast
+import HROOT.Core.TClass.Interface
+import HROOT.Core.TNamed.RawType
+import HROOT.Core.TNamed.Cast
+import HROOT.Core.TNamed.Interface
+import HROOT.Core.TObject.RawType
+import HROOT.Core.TObject.Cast
+import HROOT.Core.TObject.Interface
+import HROOT.Core.Deletable.RawType
+import HROOT.Core.Deletable.Cast
+import HROOT.Core.Deletable.Interface
+
+import Data.Word
+import Foreign.C
+import Foreign.Ptr 
+import Foreign.ForeignPtr
+
+import System.IO.Unsafe
+
+
+instance ITRandom TRandom where
+  getSeed = xform0 c_trandom_getseed
+  gaus = xform2 c_trandom_gaus
+  setSeed = xform1 c_trandom_setseed
+  uniform = xform2 c_trandom_uniform
+instance ITNamed TRandom where
+  setName = xform1 c_trandom_setname
+  setNameTitle = xform2 c_trandom_setnametitle
+  setTitle = xform1 c_trandom_settitle
+instance ITObject TRandom where
+  draw = xform1 c_trandom_draw
+  findObject = xform1 c_trandom_findobject
+  getName = xform0 c_trandom_getname
+  isA = xform0 c_trandom_isa
+  paint = xform1 c_trandom_paint
+  printObj = xform1 c_trandom_printobj
+  saveAs = xform2 c_trandom_saveas
+  write = xform3 c_trandom_write
+instance IDeletable TRandom where
+  delete = xform0 c_trandom_delete
+
+instance ITRandom (Exist TRandom) where
+  getSeed (ETRandom x) = getSeed x
+  gaus (ETRandom x) = gaus x
+  setSeed (ETRandom x) = setSeed x
+  uniform (ETRandom x) = uniform x
+instance ITNamed (Exist TRandom) where
+  setName (ETRandom x) = setName x
+  setNameTitle (ETRandom x) = setNameTitle x
+  setTitle (ETRandom x) = setTitle x
+instance ITObject (Exist TRandom) where
+  draw (ETRandom x) = draw x
+  findObject (ETRandom x) = findObject x
+  getName (ETRandom x) = getName x
+  isA (ETRandom x) = isA x
+  paint (ETRandom x) = paint x
+  printObj (ETRandom x) = printObj x
+  saveAs (ETRandom x) = saveAs x
+  write (ETRandom x) = write x
+instance IDeletable (Exist TRandom) where
+  delete (ETRandom x) = delete x
+
+
+newTRandom :: CInt -> IO TRandom
+newTRandom = xform0 c_trandom_newtrandom
+
+
+
+
+
+instance FPtr (Exist TRandom) where
+  type Raw (Exist TRandom) = RawTRandom
+  get_fptr (ETRandom obj) = castForeignPtr (get_fptr obj)
+  cast_fptr_to_obj fptr = ETRandom (cast_fptr_to_obj (fptr :: ForeignPtr RawTRandom) :: TRandom)
diff --git a/src/HROOT/Math/TRandom/Interface.hs b/src/HROOT/Math/TRandom/Interface.hs
new file mode 100644
--- /dev/null
+++ b/src/HROOT/Math/TRandom/Interface.hs
@@ -0,0 +1,44 @@
+{-# LANGUAGE ForeignFunctionInterface, TypeFamilies, MultiParamTypeClasses, 
+             FlexibleInstances, TypeSynonymInstances, 
+             EmptyDataDecls, ExistentialQuantification, ScopedTypeVariables #-}
+
+-- module HROOT.Class.Interface where
+
+module HROOT.Math.TRandom.Interface where
+
+
+import Data.Word
+import Foreign.C
+import Foreign.Ptr
+import Foreign.ForeignPtr
+import FFICXX.Runtime.Cast
+
+import HROOT.Math.TRandom.RawType
+
+import HROOT.Core.TNamed.Interface
+---- ============ ----
+
+
+
+class (ITNamed a) => ITRandom a where
+
+    getSeed :: a -> IO CInt 
+
+    gaus :: a -> CDouble -> CDouble -> IO CDouble 
+
+    setSeed :: a -> CInt -> IO () 
+
+    uniform :: a -> CDouble -> CDouble -> IO CDouble 
+
+instance Existable TRandom where
+  data Exist TRandom = forall a. (FPtr a, ITRandom a) => ETRandom a
+
+upcastTRandom :: (FPtr a, ITRandom a) => a -> TRandom
+upcastTRandom h = let fh = get_fptr h
+                      fh2 :: ForeignPtr RawTRandom = castForeignPtr fh
+                  in cast_fptr_to_obj fh2
+
+downcastTRandom :: (FPtr a, ITRandom a) => TRandom -> a 
+downcastTRandom h = let fh = get_fptr h
+                        fh2 = castForeignPtr fh
+                    in cast_fptr_to_obj fh2
diff --git a/src/HROOT/Math/TRandom/RawType.hs b/src/HROOT/Math/TRandom/RawType.hs
new file mode 100644
--- /dev/null
+++ b/src/HROOT/Math/TRandom/RawType.hs
@@ -0,0 +1,16 @@
+{-# LANGUAGE ForeignFunctionInterface, TypeFamilies, MultiParamTypeClasses, 
+             FlexibleInstances, TypeSynonymInstances, 
+             EmptyDataDecls, ExistentialQuantification, ScopedTypeVariables #-}
+
+module HROOT.Math.TRandom.RawType where
+
+
+import Foreign.ForeignPtr
+import FFICXX.Runtime.Cast  
+
+data RawTRandom
+newtype TRandom = TRandom (ForeignPtr RawTRandom) deriving (Eq, Ord, Show)
+instance FPtr TRandom where
+   type Raw TRandom = RawTRandom
+   get_fptr (TRandom fptr) = fptr
+   cast_fptr_to_obj = TRandom
