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23.11.16 Release CLHEP-2.3.4.2
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22.11.16 Release CLHEP-2.3.4.1
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18.11.16 Release CLHEP-2.3.4.0
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26.08.16 Release CLHEP-2.3.3.2
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21.06.16 Release CLHEP-2.3.3.1
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31.05.16 Release CLHEP-2.3.3.0
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22.04.16 Release CLHEP-2.3.2.2
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19.04.16 Release CLHEP-2.3.2.1
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10.11.15 Release CLHEP-2.3.1.1
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03.11.15 Release CLHEP-2.3.1.0
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09.07.15 Release CLHEP-2.3.0.0
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12.06.15 Release CLHEP-2.2.0.8
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27.05.15 Release CLHEP-2.2.0.6
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10.02.15 Release CLHEP-2.2.0.5
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21.11.14 Release CLHEP-2.2.0.4
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18.08.14 Release CLHEP-2.2.0.3
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12.08.14 Release CLHEP-2.2.0.2
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23.06.14 Release CLHEP-2.2.0.1
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16.06.14 Release CLHEP-2.2.0.0
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14.05.14 Release CLHEP-2.2.0.0.b01
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14.11.14 Release CLHEP-2.1.4.3
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12.05.14 Release CLHEP-2.1.4.2
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2014-05-04 Lynn Garren <garren@fnal.gov> 

  * src/Vector.cc: remove inline - no reason to use it in a cc file

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2014-02-24 Lynn Garren <garren@fnal.gov> 

  * remove register declaration of doubles
    use of register is now redundant and ignored by modern compilers

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14.11.13 Release CLHEP-2.1.4.1
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05.11.13 Release CLHEP-2.1.4.0
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2013-01-11 Lynn Garren <garren@fnal.gov> 

	* change the names of more internal variables so -Wshadow does not complain

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14.11.12 Release CLHEP-2.1.3.1
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06.11.12 Release CLHEP-2.1.3.0
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2012-09-06  Joe Boudreau <boudreau@cern.ch>

	* DiagMatrix, GenMatrix, SymMatrix: add invert() and inverse() methods
	  Added two methods to [-,Diag,Sym]Matrix to carry out the matrix 
	  inversion without the users needing to provide an ierr flag. 
	  These methods are all inline and called invert() and inverse(), 
	  so they overload the existing inversion routines for the relevant class.  
	  If an error occurs, then an std::runtime_error is thrown.

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16.08.12 Release CLHEP-2.1.2.5
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09.07.12 Release CLHEP-2.1.2.4
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31.05.12 Release CLHEP-2.1.2.3
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2012-05-30 Lynn Garren <garren@fnal.gov> 

	* more cleanup for -Wextra (remove register declaration of iterators)
	  According to Stroustrup, 2000, use of register is now redundant.

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14.02.12 Release CLHEP-2.1.2.2
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06.02.12 Release CLHEP-2.1.2.1
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2012-02-01 Lynn Garren <garren@fnal.gov> 

	* change the names of internal variables so -Wshadow does not complain

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16.12.11 Release CLHEP-2.1.2.0
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29.07.11 Release CLHEP-2.1.1.0
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2011-06-30  W. E. Brown  <wb@fnal.gov>

	* rename internal size variable as size_ to avoid symbol conflicts

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11.11.10 Release CLHEP-2.1.0.1
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23.07.10 Release CLHEP-2.1.0.0
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16.06.10 Release CLHEP-2.1.0.0.b01
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11.06.10 Release CLHEP-2.0.5.0.b01
==============================

2010-06-11  Lynn Garren <garren@fnal.gov>

	* Matrix/Matrix.h: inline virtual functions are now only virtual and not inline
	* Matrix/Vertex.h: inline virtual functions are now only virtual and not inline

==============================
09.03.10 Release CLHEP-2.0.4.6
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08.12.09 Release CLHEP-2.0.4.5
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12.11.09 Release CLHEP-2.0.4.4
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2009-11-10  Lynn Garren <garren@fnal.gov>

        * test/testBug7328.cc:  allow for heap collection before testing
	* configure.in, test/Makefile.am: finer control over testBug7328 

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03.11.09 Release CLHEP-2.0.4.4.b01
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04.07.09 Release CLHEP-2.0.4.3
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18.11.08 Release CLHEP-2.0.4.2
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04.11.08 Release CLHEP-2.0.4.1
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07.08.08 Release CLHEP-2.0.4.0
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2008-07-16  Lynn Garren <garren@fnal.gov>

	* src/SymMatrix.cc, Matrix.cc, DiagMatrix.cc, MatrixLinear.cc: 
	Iterators were set to a nonexistent memory location in many places.
	Even though the iterators were not used, this operation is not allowed 
	and causes problems with the newer VC++ compilers.  
	In some cases, a more efficient rewrite was possible.

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01.05.08 Release CLHEP-2.0.3.3
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18.10.07 Release CLHEP-2.0.3.2
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15.11.06 Release CLHEP-2.0.3.1
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18.10.06 Release CLHEP-2.0.3.0
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20.06.06 Release CLHEP-2.0.2.3
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21.11.05 Release CLHEP-2.0.2.2
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2005-11-21  Lynn Garren <garren@fnal.gov>

	* src/Makefile.am, test/Makefile.am: Build libraries for 
	Windows Visual C++ without lib prefix.

==============================
22.06.05 Release CLHEP-2.0.2.1
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Wed Jun 22 2005  Andreas Pfeiffer  <andreas.pfeiffer@cern.ch>

	* configure.in: changed soname to install_name for darwin targets,
	dylibs still don't build properly on 10.3/10.4, static libs ok.

2005-06-19  Lynn Garren <garren@fnal.gov>

	* configure.in, Makefile.am: 
	Use lib when building Visual C++ libraries.
	Disable shared library build for Solaris CC.

==============================
22.04.05 Release CLHEP-2.0.2.0
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2005-04-07  Lynn Garren <garren@fnal.gov>

	* configure.in: set AR and ARFLAGS

2005-03-23  Mark Fischler  <mf@fnal.gov>

	* SymMatrix.cc, testBug7328.cc

	Repair bug introduced into determinant of large matrices, and exposed
	by testBug7328 when it is run on VC++ 7.1.
	Also clean up the test program to avoid declaring loop indices
	in the for loop statement when indices of the same name will be used
	later -- VC++ still fouls up when this is done, though it is proper 
	C++.

2005-03-15  Mark Fischler  <mf@fnal.gov>

	* SymMatrix.cc, testBug7328.cc
	
	Repair of bug 7328, a memory leak encountered when inverting symmetric
	matrices above the size of 6x6.
	
2005-02-25  Mark Fischler  <mf@fnal.gov>

	* Matrix.cc, testBug6181.cc
	
	Repair of bug 6181, a serious error in inverting matrices above the
	size of 6x6.  

2005-02-18  Lynn Garren  <garren@fnal.gov>

	* configure.in, Makefile.am: Stop using libtool.  
	The newer releases of libtool seem to have dropped support for 
	Windows Visual C++.  

2005-02-14  Lynn Garren  <garren@fnal.gov>

	* configure.in: Visual C++ flags are now "-EHsc -nologo -GR -GX -MD"

2005-02-14  Mark Fischler  <mf@fnal.gov>

	* SymMatrixInvert.cc
	
	  Implementation of invertHaywood4()

2005-02-03  Lynn Garren  <garren@fnal.gov>

	* configure.in: install step creates libCLHEP.a, libCLHEP.so,
	and/or libCLHEP.dylib by adding a symbolic link.

2005-02-02  Andreas PFEIFFER  <andreas.pfeiffer@cern.ch>

	* configure.in: modified compiler flags for windows:
	added "-O -GR -GX -MD" as this is needed for the multi-thread
	environments used.

2005-02-01  Lynn Garren  <garren@fnal.gov>

	* Matrix: remove HEP_CC_NEED_SUB_WITHOUT_CONST ifdefs
	HEP_CC_NEED_SUB_WITHOUT_CONST has been defined to 1 in all 
	cases for a long time.

2005-01-31  Andreas PFEIFFER  <andreas.pfeiffer@cern.ch>

	* src/Matrix.h: fixed error in sub(int, int, int, int), savannah 
	bug id 6176, added corresponding files (testBug6176*) in test/,
	updated Makefile.am accordingly to generate tests.

==============================
30.11.04 Release CLHEP-2.0.1.2
==============================
==============================
27.10.04 Release CLHEP-2.0.1.1
==============================

Fri Sep 24          2004 Lynn Garren <garren@fnal.gov>

	* use AM_CXXFLAGS
	* require autoconf 2.59, automake 1.9.1, and libtool 1.9b

	* Matrix: remove unnecessary copy and disable allocator

Tue Aug 31         2004 Lynn Garren <garren@fnal.gov>
	
	* change Solaris CC compile flags from "-O -mt" to "-O"
	* libtools 1.9b or later is required for Solaris CC

==============================
23.07.04 Release CLHEP-2.0.1.0
==============================

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11.05.04 Release CLHEP-2.0.0.2
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11.05.04 Release CLHEP-1.9.0.2
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==============================
21.04.04 Release CLHEP-2.0.0.1
==============================

==============================
24.10.03 Release CLHEP-2.0.0.0
==============================

==============================
23.10.03 Release CLHEP-1.9.0.0
==============================
	
Tue Aug 27 10:11:14 2002 Mark Fischler <mf@fnal.gov>

	* Matrix/Matrix.cc:

	Fix a BUG that was in trace from time immemorial!

	Trace used to return the sum of the elements in the first column,
	rather than the sum of the diagonal elements.

	Warning:  This repair may change the behavior of some programs.
	I claim in those cases, the change is a correction.
	

==============================
01.06.02 Release CLHEP-1.8.0.0
==============================

=========================================
25.04.02 revised StdHep uses HepMC
=========================================

=========================================
08.03.02 HepMC has become a part of CLHEP
=========================================

==========================================
09.11.01 HepPDT has become a part of CLHEP
==========================================

Mon Aug 13 11:21:31 2001 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/GenMatrix.cc:

	Added #include <string.h> to provide declaration of memset().

	* Matrix/Matrix.cc:

	All "return invertHaywood...(ierr);" statements have been
	subdivided in two lines: 
	   invertHaywood...(ierr);
	   return;
	to avoid problems on DEC/cxx.

	* Matrix/DiagMatrix.h,SymMatrix.h,Vector.h:

	Removed "explicit" for constructors with two parameters to avoid
	problems on HP/aCC.

	* Geometry/BasicVector3D.h: Corrected operator>>
	
Mon Jul 30 18:31:38 2001 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/Makefile.in:

	Added MatrixEqRotation.cc, MatrixInvert.cc, SymMatrixInvert.cc.

Mon Jul 30 11:19:43 2001 Mark Fischler <mf@fnal.gov>

	* Matrix/MatrixInvert.cc,SymMatrixInvert.cc (Added):

	These files contain invertHaywood 4, 5, and 6
	and invertChoelsky 4, 5, 6.
	
Fri Jul 27 2001 Mark Fischler <mf@fnal.gov>

	* Matrix/SymMatrix.h,SymMatrix.cc,Matrix.h,Matrix.cc:
	* Matrix/SymMatrixInvert.cc,MatrixINvert.cc (Added):

	Implemented speed-improved inversion for 4x4, 5x5 and 6x6 matrices.
	Inserted the Haywood-style implemtation of inversion for 4x4, 5x5,
	and 6x6 matrices. The speed increase is consdierable for some cases,
	and a bit less in others. In particular, 5x5 symmetric positive
	definite matrices go quite fast now, and these are importat for
	tracking.

	* Matrix/GenMatrix.cc,GenMatrix.icc:

	Zero the elements in the case of pre-allocated storage.
	When constructing a matrix small enough to use pre-allocated array,
	still zero the array data. Lack of this was causing CDF code to crash.

	* Matrix/Vector.h,Matrix.h:

	Made ctor from int explicit.

==============================
15.06.01 Release CLHEP-1.7.0.0
==============================
	
==========================================================================
18.01.01 ZOOM PhysicsVectors Capabilities have become part of CLHEP/Vector
==========================================================================
	
======================================================================
24.10.00 Generic Functions by Joe Boudreau have become a part of CLHEP
======================================================================

==============================
20.10.00 Release CLHEP-1.6.0.0
==============================

==============================================================================
12.10.00 Expression Evaluator by Evgueni Tcherniaev has become a part of CLHEP
         Alist, String and Combination have been disabled
==============================================================================

	
Tue Aug 22 11:33:33 2000 Mark Fischler <mf@fncrdn.fnal.gov>

	* Matrix/GenMatrix.cc:

	Correction to operator==, to use indices 1-3 rather than 0-2.

==============================
08.05.00 Release CLHEP-1.5.0.0
==============================

============================================================
24.04.00 StdHepC++ by Lynn Garren has become a part of CLHEP
============================================================


Fri Jul  2 19:02:10 1999 Mark Fischler <mf@fncrdn.fnal.gov>

	* Matrix/Vector.h:

	class HepSymMatrix;
	class HepDiagMatrix;
	needed to be forward-declared in Vector.h
	so that some rather strict compilers would not issue a message.

==============================
20.04.99 Release CLHEP-1.4.0.0
==============================
	
Thu Feb  4 11:38:32 1999 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* test/testMatrix.out.save:

	Update: the initial random sequence is now different


Wed Jan 13 09:59:26 1999 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/SymMatrix.cc,test/testInversion.cc: 

	Removed declaration of unused variables

Wed Jan  6 17:34:18 1999 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/SymMatrix.cc,SymMatrix.h: 

	New invert() based on "Bunch-Kaufman" algorithm.

	* test/Makefile.in:
	* test/testInversion.cc,testInversion.out.save (Added):

	Added test for new inversion algorithm.

Fri Dec 18 11:00:23 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/Matrix.cc,Matrix.h,SymMatrix.cc,Vector.cc:

	Changed dfact() and dfinv() to dfact_matrix() and dfinv_matrix()
	to avoid conflicts with correspondent CERNLIB symbols.

	* Matrix/GenMatrix.cc,GenMatrix.h: Added operator== 

	* Matrix/GenMatrix.icc: 

	Added implementations of operator[] for GenMatrix_row
	and GenMatrix_row_const.
	Commented-out (temporary solution) pile-up mechanism
	in delete_m() and new_m() since responsible of huge mwmory leaks.

	* Matrix/Matrix.cc:

	Fixed bug in dfact_matrix() and introduced "epsilon" constant.

	* Matrix/Pile.h:

	Moved private data on bottom and destructor on top:
	trick needed to fix a bug in VxWorks which requires destructors
	of template classes to be declared at the begining.

=========================================================================
16.12.98 Started: merging with BaBar version of CLHEP provided by G.Cosmo
=========================================================================

Fri Dec 11 11:58:09 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* config/CLHEP.h: 
	* Matrix/Matrix.cc,Matrix.h,Vector.cc,Vector.h: 
	* tests/testMatrix.cc:

	Introduced HEP_USE_VECTOR_MODULE flag to facilitate
	disabling dependence between the Matrix and Vector modules

	* Utilities/CLHEP.h: 

	Added config/TemplateFuntions.h by request of G.Cosmo

Mon Sep 28 09:06:56 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* configure.in: 

	Some modifications for a case NT & g++

	* Matrix/DiagMatrix.icc: 

	Bug fix: ncol has been changed to nrow by request of Nobu Katayama

==========================
28.07.98 Release CLHEP-1.3
==========================

Fri Jul 17 09:08:52 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/DiagMatrix.cc:	Bug fix in operator+= and operator-=

Fri Jul  3 15:44:38 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/DiagMatrix.cc: 

	Added ierr = 0; in void HepDiagMatrix::invert().
	Thanks to Andre.Holzner@cern.ch

Thu Feb 19 10:19:45 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/Matrix.cc:

	Bug fix in dfact() provided by Nobu Katayama.
	The bug affected calculation of determinant.


Tue Feb 10 17:44:35 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/Matrix.cc: 

	Changed HepDouble *mm(m); -> HepDouble *mm; mm = m;
	to avoid problems on Windows NT

==========================
05.02.98 Release CLHEP-1.2
==========================

Fri Jan 30 17:10:59 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/:
	* DiagMatrix.cc,DiagMatrix.h,DiagMatrix.icc,GenMatrix.cc: 
	* GenMatrix.h,GenMatrix.icc,Matrix.cc,Matrix.h,Matrix.icc: 
	* MatrixLinear.cc,Pile.h,SymMatrix.cc,SymMatrix.h,SymMatrix.icc:
	* Vector.cc,Vector.h,Vector.icc: 

	Removed PersistentIO stuff. Changes in comments

	* Matrix/:
	* DiagMatrix.cc,DiagMatrix.h,GenMatrix.cc,GenMatrix.h,Matrix.cc: 
	* Matrix.h,SymMatrix.cc,SymMatrix.h,Vector.cc,Vector.h: 

 	#include <iostream.h> isolated in GenMatrix.h and Pile.h

Wed Jan 28 09:55:53 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>

	* Matrix/Matrix.cc: 

	Bug fix in HepMatrix::operator=(const HepRotation &m2)

Fri Jan 23 16:24:24 1998 Evgueni Tcherniaev <Evgueni.Tcherniaev@cern.ch>


	* Geometry/Plane3D.h:
	* Matrix/DiagMatrix.h,Matrix.h,SymMatrix.h,Vector.h:
	* String/CmdLine.h:
	* Vector/LorentzVector.h,ThreeVector.h: 
	
	Declaration class ostream; changed to #include <iostream.h>
	to avoid problems with KCC

========================================================
08.12.97 Release CLHEP-1.1: Geant4 has migrated to CLHEP
========================================================
	
Fri Mar 14 19:24:41 1997  Nobu KATAYAMA  <katayama@hpca02.cern.ch>

	- Added Matrix = Rotation

Fri Feb  7 12:31:52 1997  Leif Lonnblad  <lonnblad@sp053>


	* Matrix/Vector.cc: Wraped the #include of PIStream.h and
 	POStream.h inside a #ifndef HEP_NO_PERSISTENT_STREAMS.

	* Matrix/SymMatrix.cc: Wraped the #include of PIStream.h and
 	POStream.h inside a #ifndef HEP_NO_PERSISTENT_STREAMS.

	* Matrix/Matrix.cc: Wraped the #include of PIStream.h and
 	POStream.h inside a #ifndef HEP_NO_PERSISTENT_STREAMS.

	* Matrix/DiagMatrix.icc (fast): Changed the 'static const double
 	zero = 0.0' statement to 'static double zero = 0.0' to avoid
 	problems on some compilers.

	* Matrix/DiagMatrix.cc: Wraped the #include of PIStream.h and
 	POStream.h inside a #ifndef HEP_NO_PERSISTENT_STREAMS.