https://github.com/JeffersonLab/chroma
Revision 82f3b07030cdd0ab737b98f0042de0e454bb13c6 authored by Balint Joo on 15 April 2010, 18:59:14 UTC, committed by Balint Joo on 15 April 2010, 18:59:14 UTC
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Tip revision: 82f3b07030cdd0ab737b98f0042de0e454bb13c6 authored by Balint Joo on 15 April 2010, 18:59:14 UTC
Updated submodule
Tip revision: 82f3b07
NEWS
Jan 07, 2010 - Robert Edwards
        Version 3.38.0
        New FILEDB interface down in QDP++. Changed Chroma's SerialDBKey/Data to match 
        accordingly.

Jan 07, 2010 - Balint Joo
        Version 3.38.0
        Merged 3.37.2 devel branch onto master. Fixed regression checks.
        Ready to go into stable

Jan 01, 2010 - Robert Edwards
	Version 3.37.2
        Made a combined prop_colorvec and prop_matelem_colorvec that saves
        prop dbs and combines in the peram construction. Can avoid using
        lookups for solution vectors or storing all the solutions in memory/disk.

Dec 31, 2009 - Robert Edwards
	Version 3.37.1
        Moved old inline_prop_matelem_colorvec to a low-memory version.
        New inline_prop_matelem_colorvec reorganizes the loops to cut-down
        on lookups.

Dec 27, 2009 - Robert Edwards
	Version 3.37.0
        Balint wrote a nifty MapObjectDisk and MapObjectMemory that function like
        databases. A use is to hold lattice objects. New factory system for the
        beasties. Removed uses of SubsetVectors in favor of MapObject's. Cleaned
        out some old routines. Lots of other cleanups. Rearranged more the MapObject
        task system.

Sep 14, 2009 - Robert Edwards
	Version 3.36.1
        Switched back to old inline genprop code. Changed inline colorvec codes
        to check for DB existence. If it does not exist, insert the metadata,
        else do not reinsert. Lots of improvements in laph codes. 

Aug 25, 2009 - Robert Edwards
	Version 3.36.0
        The start of a hybrid stochastic-distillation method (called LAPH -
        horrible name) by Colin and John. Changed how genprops are contracted
        in an effort to speed it up. Balint did lots of XLC cleanups.

July 14, 2009 - Robert Edwards
	Version 3.35.0
        Balint did all this in 3.34.1, but the latter was never actually
        tagged it. John Bulava added new measurement routines related to
        distilled dilution.

7/8/2009 - Balint
	Version 3.34.1
        Added IBiCGStab for BiCGStab with 1 Global Reduction per iteration
	Added Reliable IBiCGStab (Clover only) to allow multi-precision use.
 	Added Regressions, tweaked output. 	

05/202009 - Balint Joo
	Added Multi-Prec BiCGStab Solver (LinOp & MdagM) (Clover Only)
	Added Internally Single Precision CG Solver (MdagM only,Clover Only)

04/21/2009 - Balint Joo
	Version 3.34.0
	Added regression support for multiprec clover in propagator and t_leapfrog
	Integrated cpp-wilson-dslash for multiprec dslash support. (Experimental)


03/04/2009 - Robert Edwards  
	Version 3.33.0
        Changed around eigcg support for MdagM and M. New block colorvec support 
        by Kostas. New sloppy precision sse-dslash support by Balint. Disco eigcg
        by Kostas and Christopher.

01/26/2009 - Robert Edwards  
	Version 3.32.0
        Delta tau version of min-norm-2 integrators. New stochastic
        insertion for 3-pt corr.  Added static prop colorvec. Added grid
        sources. IO for eigcg vecs. Disconnected routines. Added static_light_cont
        and heavy_light_cont.

11/11/2008 - Robert Edwards  
	Version 3.31.1
        Fixed the "E" tensor operator in util/ferm/etensor. Reimplemented
        deriv. seqsources to reuse basic routines. Checked against old deriv.
        seqsources.

11/11/2008 - Robert Edwards  
	Version 3.31.0
        New stochastic generalized prop (3-pt) by Kostas. Added twisted-mass to
        clover. Put DB's into projection use. Fixed up colorvec generalized prop.
        New ILU style time-prec for clover. New readers for eigvecs.

08/26/2008 - Robert Edwards  
	Version 3.30.4
        Changed format of colorvec dbs. Now use fixed record dbs.

08/26/2008 - Robert Edwards  
	Version 3.30.3
        A working version of the colorvec chain.

08/02/2008:  
	Version 3.30.2
  	Balint did some rework of the comms in the sse wilson dslash.
        Started adding some Berkeley DB flags, but these will all change.

07/21/2008:  
	Version 3.30.1
        Kostas added some static-light routines from Will Detmold.

05/30/2008:  
	Version 3.30.0
  	Major overhaul of monomial structure which are now of the form

	   pseudoferm term		   tag
	  A=M^dag*M chi*A_1^-1*chi         two_flavor
	  chi*M_2*A_1^-1*M_2^dag*chi	   two_flavor_ratio_conv_conv
	  chi*R(A_2)*A_1^-1*R(A_2)*chi	   two_flavor_ratio_conv_rat
	  chi*R(A_1)*chi		   one_flavor_rat
	  chi*M_2*R(A_1)*M_2^dag*chi	   one_flavor_ratio_rat_conv
	  chi*R(A_2)*R(A_1)*R(M_2)*chi	   one_flavor_ratio_rat_rat

	  This structure exists for both 4D and 5D variants. Not all are
	  implemented at the level of the derivatives, but can be. The 5D
	  monomials no longer have an explicit reference to the
	  Pauli-Villars (PV) linOpPV.  That linOp is now added as an
	  appropriate separate monomial or the M_2 term. This is handled
	  simply by giving a DWF-like fermact with a quark mass of 1, or it
	  might require a kind of PV fermact in the case of some of the
	  more esoteric 5D actions.

05/22/2008:  
	Version 3.29.2
	Precision related tweaks in some HMC monomials. Some new variants of qqqNucNuc
        measurements and hadron_contract measurements.

05/06/2008:  
	Version 3.29.0
	 -- Support for MDWF Moebius DWF Library cleaned up and ready to go.

05/05/2008
	Maintenance: 
	-- Added support for interfacing to MDWF Moebius DWF library from MIT.
	   Currently only the Shamir variant of DWF is used and only in the
           propagator code.
	   Currently we are having difficulties with mixed precision so 
           I am enabling the double precision only.

05/02/2008
	Version 3.28.5 - Maintenance release:
	some changes here and there, but most importantly,
	first version of the code to attempt to read write usqcd propagators

	THIS VERSION NOW NEEDS qdp++ CVS Version qdp1-26-0 to build

	Known problems:
		FIXME: scalar-7n: asqtad candidate  RUN_FAILS
	                  sink_smearing_s.candidate RUN_FAILS
	                  spectrum_s.candidate.xml RUN_FAILS
			  spectrum_s_HISQ.candidate.xml RUN_FAILS
		Looking at the core file: segfault in  0x00000000005efd7b in Chroma::QDPStaggeredDslash::apply ()
 
01/21/2008 -- Robert Edwards
	Version 3.28.1 - Cleaned out old intel_sse_dslash code. Removed all
        stand-alone stout_smear routines. Changed task version to go through
        stout_utils package. Some new versions of 2+2 gaugeacts. Some more
        control over eigbounds.

01/21/2008 -- Robert Edwards
	Version 3.28.0 - Overhauled plaq_gaugeact and lwldslash classes to now
        use a general form of anistropy coeffients - on all plaqs or links. Now
        have support for 2+2 anisotropy. New time-prec. ILU Clover hmc. New NPR
        code. New HISQ code. Some new measurements for hadron_contract for deltas.

11/29/2007 -- Robert Edwards
	Version 3.27.1 - Bug fix in stout_smear. This appeared in the link_smearing
        but not in the fermion action smearing (the fermstate codes).

11/12/2007 -- Robert Edwards
	Version 3.27.0 - First 3d SSE dslash. New SLIC-like and SLRC fermion actions.
        Some new tasks. Working Eigenvalue accelerated CG code. Changed prop readers
        to allow an optional Config_info.

10/26/2007 -- Balint Joo
	Version 3.26.0 - New Dslash written in intrinsics with unit test suite and 
        complete QMT harness (as opposed to just 32bit parscalar). 
        --enable-sse-wilson-dslash now enables new dslash. However this may be 
        slow on 32 bit systems and pentia (rather than opterons). So the old GCC 
        Inline assembly dslash can be enabled instead with the --enable-sse-wilson-dslash-old 
        configure switch. Both new and old dslashes cannot be in the same build. 
        Its one or t'other. Code passed regressions on 7n and compiled and passed 
        all regressions but the mres one in parscalar-single with the Intel compiler 
        and the new dslash.

10/24/2007 -- Robert Edwards
	Version 3.25.0 - New qdp-lapack package included in other_libs. New
        system-solver routine "eigcg" that uses Kostas' eigenvector acceleration
        technique. Renamed the eoprec logdet monomial to agree with other naming
        schemes.

09/12/2007 -- Balint Joo
        Version 3.24.3 - Lots of tydiups and fixes especially to SF related code.
        5D solvers work with GCC-4. Additions for 7n related regression testing.
        CG-DWF problems hopefully fixed in the chroma-config script file.

08/23/2007 -- Robert Edwards
	Version 3.24.2 - Cleaned up some SF Dirichlet code. Mainly, this version
        marks a QDP++ version that has QIO properly working on mesh machines.

08/14/2007 -- Robert Edwards
	Version 3.24.1 - Some rearrangement in "hadron_contract" routines. Now
        those regressions work in parallel. This code requires at least 
        QDP++ version 1.24.3 or greater.

07/17/2007 -- Balint Joo
	Version 3.24.0 - Loads of I/O related stuff from Robert. Balint had 
        Clover related improvements including support for bagel_clover
        on BG/Ls, speed improvements to clover force etc through
        'cleanup'. Negative Logdets hopefully gone (but not forgotten) as we
        moved to L^\dag D L inversion of clover term rather than Cholesky. The
        former can cope with an indefinite matrix (as long as it is
        invertible) the latter can't.

04/19/2007 -- Robert Edwards
	Version 3.23.0 - Moved around some monomial files in anticipation of big reorg
        of Remez and InvertParam groups. New output from hadspec.

05/03/2007 -- Balint Joo
	Version 3.22.7 - BG/L fixes for BAGEL dslash op (refcounting etc)
	      New CG-DWF option --enable-cg-dwf-lowmem for a lower memory CG-DWF
	      New CG option --enable-cg-solver-restart for a single CG restart
	      RsdCG and MaxCG can be independently speficied by <RsdCGRestart>
	      and <MaxCGRestart> in the inv Param file. This works by default
	      for CG-DWF solves and the tags are respected in other CG solvers if
	      --enable-cg-solver-restart is enabled. Otherwise these XML tags
	      are ignored.  

27/02/2007 -- Balint Joo
	Version 3.22.6 - Cleanded out subsets. Regressions pass but needs recent 
	QDP++ (1.22.0 at least). Merged in Robert's recent changes. Added Schur Preconditioned Space,
	Central Time preconditioned Wilson Operator.

22/02/2007 -- Balint Joo
	Version 3.22.5 - Stamp before making subset related changes

18/02/2007 -- Balint Joo
 	Added ILU Preconditioned space and  Central Preconditioned Time Wilson And Clover 
	Actions. Amazingly these actually work.

15/02/2007 -- Balint Joo
	First cut Unprec Space Central Prec Time Wilson Fermions. Complete with regression tests 

8/02/2007 -- Balint Joo
	Bug fix for linking: Removed enum_wvfkind files to attic. Unincluded
	them from  enum_io.h

12/10/2006 -- Balint Joo
	Version 3.22.1. Bug fix in how MD chronological predictor is reset.

12/10/2006 -- Balint Joo
	Version 3.22.0. Overhaul of the MD integrator codes. Now recursive. Removed
        old code.

12/10/2006 -- Robert Edwards
	Version 3.21.1. Mostly housecleaning. Removed many obsolete source construction 
        and quark smearing codes and enums. Added a Klein-Gordon operator. 

12/04/2006 -- Robert Edwards
	Version 3.21.0. Overhauled sequential source construction. Now have loads
        of working derivative sources. New regression tests that cross check the
        sequential propagator via the tie-back test and compares to a 2-pt at
        the sink. Standardized propagator headers - now have fixed structs and
        not the floating xml stuff.

11/25/2006 -- Robert Edwards
	Version 3.20.0. New component integrator codes for HMC. New staggered
        chroma task chain of  MAKE_SOURCE, PROPAGATOR and SINK_SMEARING .
        Fixes in NPR task codes.

11/07/2006 -- Robert Edwards
	Version 3.19.1. NPR code compiles and linked, but not fully tested.
        Small fix in AVP DWF-cg wrapper to correct cg-counts.

10/31/2006 -- Robert Edwards
	Version 3.19.0. Split apart the fermact.h file into lots of
        separate bits to make it easier to manage. Split up the linearop.h
        file more as well. Split up and rearranged the tprec_linop.h files for
        the anticipated new time-preconditioning. Added some new functionality
        here.  For neatness sake, moved and renamed all the "prec_*" files
        (which are specific to 4d even-odd preconditioning) to "eoprec_*"
        filenames. Start of some new inline measurements not yet turned on.

10/31/2006 -- Robert Edwards
	Version 3.18.0. New inline measurements Qll by K. Orginos.

10/14/2006 -- Robert Edwards
	Version 3.17.0. Changes in BuildingBlocks (D. Renner, K. Orginos)
        to support time reversal and translation of source location. Removed
        inline_spectrum and inline_spectrumOct - superceded by inline_hadspec.
        Reset inline_propagator version to 9. Had to regenerate lots of
        regression tests. Removed old style restart support - now done down
        inside the system solvers.
        
10/11/2006 -- Robert Edwards
	Version 3.16.1. Small fix in hadron_seqsource to make gcc4 happy.

10/10/2006 -- Robert Edwards
	Version 3.16.0. Change in seqsource construction. Now pass in full 
        propagator headers as well as props. For baryons, now compensate
        for time-ordering of source and sink baryons as well as the
        spurious phase from a quark source not at the spatial origin.

10/10/2006 -- Robert Edwards
	Version 3.15.1. Small changes in plaq+adj gauge action. Other small
        regression test cleanups.

09/21/2006 -- Robert Edwards
	Version 3.15.0. Added new ferm and gauge create state inlines.
        Changed some inlines to now use the ferm or gauge state, or at
        least the param group.

09/21/2006 -- Robert Edwards
	Version 3.14.7. Added a registration in inline_wilslp

09/21/2006 -- Robert Edwards
	Version 3.14.6. Major housecleaning. Changed all the uses of the
	registration method to now be **runtime**. The "registerAll()"
	function is exposed that will register the thingy. There is a
	private "registered" flag that is initially false and then set
	to true upon registration done at runtime.

09/18/2006 -- Robert Edwards
	Version 3.14.5. House cleaning. Split off all gauge states
	and ferm states to their own gaugestates and fermstates
	directories. Changed all the paths.

09/14/2006 -- Robert Edwards
	Version 3.14.0. New chroma/other_libs/cg-dwf package now
	included. The DWF QpropT routine reworked to use the new package
	(double prec. SSE). Changed hmc to split output into XMLLOG
	and XMLDAT.

09/09/2006 -- Robert Edwards
	Version 3.12.0. First apparently working version of stout force
	code for HMC.  Rearrangements in stouting for gauge and fermion
	actions.

08/28/2006 -- Robert Edwards
	Version 3.11.2. Small but important edge case in stout_fermstate
	fixed.	Bug fix in SftMom handling in test of zero_offset. Small
	fix in inline_hadspec allowing optional displacement type
	field. Retooled all important update routines, stouts, fermacts,
	etc. to use START_CODE/END_CODE.

08/24/2006 -- Robert Edwards
	Version 3.11.1. Fixed regression metric in mesons from v3.11.0 .
	Rearranged mesplq and added measurements of all plaquette planes.
	Regenerated all regression output since they depend on the
	plaquette output. Fully converted the block-ing code along with
	fuzglue, polycor and gluecor.

08/19/2006 -- George T. Fleming
	Version 3.11.0.  Changed the interface of the slow Fourier
	transform (SftMom) class to allow for any lattice point to be
	chosen as the spatial origin.  Previously, this meant that the
	origin was always implicitly (0,0,0,0), which lead to various
	phase problems.  One example is 2pt correlation functions between
	a point source not at the origin and a sink at non-zero momentum:
	the overall phase depends upon the location of the source.
	Using the new interface, the phase can be made independent of
	the location of the source by choosing the origin of the Fourier
	transform to be the location of the source.  Several things remain
	to be fixed:  (1) sequential sources at non-zero sink momentum,
	(2) building blocks with link paths which cross boundaries, (3)
	baryonic sequential sources where t_source > t_sink, i.e. the
	boundary is between the source and sink.

08/17/2006 -- Balint Joo
	Version 3.10.4. Fixed stout fermstate to support smear_dir.
	New form of purgaug input/output.

08/15/2006 -- Balint Joo
	Version 3.10.3. Stout Fermstate rides. Reinterpret nontrivialP()
	flag to mean underlying gauge boundaries are trivial in FermBC-s
	only (ie still old meaning in GaugeBC-s for now). Stout Fermstate
	tested for SF, periodic, antiperiodic, and Dirichlet fermion
	BCs. Twisted Ferm BC_s are not expected to work.

07/27/2006 -- Balint Joo
	Version 3.10.2. Patches to SSE DWF CG to support double-prec sums.
	Added more optimized plaq+two_plaq gauge monomial. Added profiling
	to inline_eigbnds in 5D case.

07/21/2006 -- Balint Joo
	Version 3.10.1. Added two_plaq monomials.

07/11/2006 -- Robert Edwards
	Version 3.9.0. Changed interface to the inline WILSLP and MESONSPEC.
        Turned on  HADRON_SPECTRUM (hadspec). This is a replacement for SPECTRUM.

07/11/2006 -- Robert Edwards
	Version 3.8.2. More small fixes in wilslp (Wilson loops).

07/06/2006 -- Robert Edwards
	Version 3.8.1. Fixes in wilslp (Wilson loops).

07/04/2006 -- Robert Edwards
	Version 3.8.0. Changed FermionAction API to produce system
        solver classes. No longer have a fixed InvertParam
	set. Removed old inverter enum and support. Have default creation
	for inverters to solve M*psi=chi, MdagM*psi=chi, and multi-shift
	support. Some older files still have explicit calls to CG solver.
        Converted usage of  source/source_type, fermact, sink/sink_type
        to using GroupXML_t. Converted all monomials to use GroupXML_t as
        well.

07/03/2006 -- Robert Edwards
	Version 3.7.4. 5D Hasenbusch monomial support.

06/18/2006 -- Robert Edwards
	Version 3.7.3. Bug fix in xml output in task MESONSPEC. Some code cleanups to make
        various compilers happy.

06/11/2006 -- Robert Edwards
	Version 3.7.2. Fixed param path in inline_link_smear.

06/11/2006 -- Robert Edwards
	Version 3.7.1. Bug fixes. Removed all use of linkSmear - it is problematic
        with the current qdp++.

06/11/2006 -- Robert Edwards
	Version 3.7.0. Change in quarkProp and SystemSolver interface. 
	QuarkProp now takes a number of tries (restarts) at calling the qprop routine. 
	The SystemSolver routines now return a structure of iteration counts and
	residual. Changed all regression tests to use this new propagator option
	(version 10).

06/08/2006 -- Robert Edwards
	Version 3.6.2. Improved memory usage with inline_mesonspec. Some 
        fixes/improvements in polynomial linops. New parallel regression runners.

05/26/2006 -- Robert Edwards
	Version 3.6.1. Improved inline_mesonspec. Small bug fix down in
        64bit SSE wilson dslash (intel_sse_wilson_dslash).

05/24/2006 -- Robert Edwards
	Version 3.6.0. New format for inline_mesonspec. Added spin insertions. 
        Overhauled inline_stoch_baryon. Removed quark_smear_first/last from
        shell source/sink construction/smearing. Now print true residuals
        in some inversion routines.

05/19/2006 -- Robert Edwards
	Version 3.5.1. Added no-quark-smearing.

05/17/2006 -- Balint Joo
	Version 3.4.2. Added Support for configurable testcase runners.
	Added mpirun_rsh runner. This runner is currently hardwired to 
	run the tests on qcd6n277 and qcd6n278

05/11/2006 -- Robert Edwards
	Version 3.4.1. First possibly working version of stoch_baryon task.

05/10/2006 -- Robert Edwards
	Version 3.4.0. Moved stoch_meson to an inline measurement. Removed stoch_meson.cc
        mainprog. Made a new stoch_baryon inline measurement - not functional yet.
        Fixed 5D fermacts to actually call their desired quarkProp routines. They
        were missing the "const" qualifier at the end of the decl (thus new funcs
        not seen by virtual funcs).

05/09/2006 -- Robert Edwards
	Version 3.3.0. Upgraded SHELL_SOURCE,SHELL_SMEARING and SHELL_SINK
        inline tasks to now take an order of the smearing versus displacements.

04/26/2006 -- Robert Edwards
	Version 3.2.1. Removed SNARF task - was superceded. Added NERSC reader
        task. Cleanups and generlization of sfpcac support.

04/18/2006 -- Robert Edwards
	Version 3.2.0. Switched purgaug to using the gauge action construction.
        Still somewhat limited, though. Putting legit aniso support in more of the
        gauge actions - still more is needed.

04/14/2006 -- Robert Edwards
	Version 3.1.1. Small changes. configure.ac now writes an empty run command for
        make xcheck.

04/11/2006 -- Robert Edwards
	Version 3.1.0. Big change on chroma,hmc,purgaug input - one must now always
        specify the input gauge field on tasks that need it. The default reader
        has been removed. Added more Schroedinger functional measurements.

04/04/2006 -- Robert Edwards
	Version 3.0.1. Minor compilation fixes.

04/03/2006 -- Robert Edwards
	Version 3.0.0. Major overhaul of fermion and gauge action interface. Basically,
        all fermacts and gaugeacts now carry out  <T,P,Q>  template parameters. These are
        the fermion type, the "P" - conjugate momenta, and "Q" - generalized coordinates
        in the sense of Hamilton's equations. The fermbc's have been rationalized to never
        be over multi1d<T>. The "createState" within the FermionAction is now fixed meaning
        the "u" fields are now from the coordinate type. There are now "ConnectState" that
        derive into FermState<T,P,Q> and GaugeState<P,Q>.

03/21/2006 -- Robert Edwards
	Version 2.15.3. Bug fix, or rather new addition to funcmap. Changed all
        IO funcmaps to disambiguate them and not pile onto the same funcmap!!!

03/21/2006 -- Robert Edwards
	Version 2.15.2. Bug fixes in new derivative displacements. Changed around
        output regression tests. Some cleanups in IO.

03/21/2006 -- Robert Edwards
	Version 2.15.1. Removed use of overlap_state from various 5d fermacts
        since it is not used. Added more regression tests. Cleaned out some
        old input files.

03/20/2006 -- Robert Edwards
	Version 2.15.0. Major change of inline suite. There is no longer a gauge field
        passed into the measurements. Instead, tasks must read a gauge field. By default,
        they all will try to read a "default_gauge_field" buffer placed there by the
        main program. With this change, any task can smear a gauge field and hand
        that to the next task for use instead of having to write the config, exiting,
        and restarting.

03/16/2006 -- Robert Edwards
	Version 2.14.0. Major overhaul in GaugeBC's and FermBC's . New initial
        support for Schroedinger functional BC's. The GaugeBC's seem to work
        under HMC (at least energy is conserved). Carried over BC's known under
        SZIN. However, the FermBC's don't conserve energy yet. This is understood -
        the LinOP.deriv() functions do not know the BC's hence can't enforce
        them - only important to HMC. This needs more work.

03/06/2006 -- Robert Edwards
	Version 2.13.4. Backed out changes to clover with external field. It's
        breaking something but passes regression test.

03/06/2006 -- Robert Edwards
	Version 2.13.3. Changes to mesonspec code.

03/02/2006 -- Robert Edwards
	Version 2.13.2. Added new partial wall source. More regression tests. Added
        flop counts on clover. Start of new simplistic (minimal) meson and future
        baryon spectroscopy.

02/27/2006 -- Robert Edwards
	Version 2.13.1. Some mods in supporting staggered spectrum as an inline.
        Some changes by Alistair Hart via Craig McNeile to fuzzed wilson loops.
        New HMC integrator support by Carsten Urbach.

02/25/2006 -- Robert Edwards
	Version 2.13.0. Reorg of the fermbcs and gaugebcs. Now putting in 
        Schroedinger functional.

02/25/2006 -- Robert Edwards
	Version 2.12.1. Small cleanups before reorg of fermbc and gaugebc.
        New monomials for clover.

02/23/2006 -- Balint Joo & Thomas Streuer
        Version 2.12.0. MultiMass overlap and eigenvector projection. 
        Inline Ritz measurement. Some XML magic needed in writing the 
        multiple props. For this reason	we now need qdp1-20-1.

02/21/2006 -- Robert Edwards
	Version 2.11.0. Yet another overhaul. This time, the idea of "displacement"
        in make_source and sink_smear has been generalized to another factory generated
        object. Now have lots of derivative things that are "displacements" of a source
        or sink. More regression tests. New staggered spectrum regression tests and code.

02/16/2006 -- Robert Edwards
	Version 2.10.1. Removed chroma_config.h from chromabase.h and instead only
        include it in routines that require it. Thus, recompilations are drastically
        lowered upon changing versions. Added timing to SSE DWF CG.

02/16/2006 -- Robert Edwards
	Version 2.10.0. Changed naming scheme for Monomials. The fermact is no longer
        in the run-time monomial name.

02/16/2006 -- Robert Edwards
	Version 2.9.2. Preconditioned clover monomials and logdet monomials now 
        working. More regression tests for t_leapfrog.

02/15/2006 -- Robert Edwards
	Version 2.9.1. New clover bits. New sequential sources.

02/10/2006 -- Robert Edwards
	Version 2.9.0. Overhauls of fermion action classes and monomials. More to
        go. Overhauled sequential source and morphed into an object factory. More
        seqsources coming. Added start of polynomial preconditioning monomials.

01/03/2006 -- Robert Edwards
	Version 2.8.2. Fixed clover builds and turned back on.

01/03/2006 -- Balint Joo
	Version 2.8.1. Removed clover support temporarily till build problems
        sorted. Added Hasenbusch 4d monomial support.

01/01/2006 -- Robert Edwards
	Version 2.8.0. New clover fermion support. Added altivec dwf support.

12/26/2005 -- Robert Edwards
	Version 2.7.4. Some fixes in barhqhq - used by spectrumOct.

12/25/2005 -- Robert Edwards
	Version 2.7.3. Updated some regression tests. Added a few more.

12/25/2005 -- Robert Edwards
	Version 2.7.2. Updated baryon spectrum codes and seqsources to abstract away
        spin matrices and functionality into small functions.

12/20/2005 -- Robert Edwards
	Version 2.7.1. Small changes for regression support. Fixed little things.

12/18/2005 -- Robert Edwards
	Version 2.7.0. Overhauled how aniso is done - pushed it down into the 
        Wilson-esque dslashes. New clover support. Most importantly, start of new
        rigourous regression test system.

12/18/2005 -- Robert Edwards
	Version 2.6.1. Updated many regression tests to now use a new WEAK_FIELD
        instead of using the SZIN chroma/tests/test_purgaug.cfg1   config.

12/14/2005 -- Robert Edwards
	Version 2.6.0. Changed FermionAction (fermact.h) interface to use a
        quarkSpinType instead of a nonRelProp. Now, there can be FULL,UPPER,LOWER
        quark prop calculations.

12/08/2005 -- Robert Edwards
	Version 2.5.5. Small cleanups to make gcc4.0 happy.

11/30/2005 -- Robert Edwards
	Version 2.5.4. Renamed PropSource_t and PropSink_t to PropSourceConst_t and
        PropSinkSmear_t. Added new PropSourceSmear_t . Updates of stochastic codes.

11/30/2005 -- Robert Edwards
	Version 2.5.3. Minutae.

11/20/2005 -- Robert Edwards
	Version 2.5.2. Bug fixes. Hyp_smear3d didn't set the time link correctly.
        Fixed stout smearing when called from quark smearing - otherwise it was
        fine. Added LINK_SMEAR inline to replace all the separate inlines.

11/20/2005 -- Robert Edwards
	Version 2.5.1. Some library routines require qdp-1.18.X . Rearranged diluted
        source construction.

11/20/2005 -- Robert Edwards
	Version 2.5.0. Some new main programs require qdp-1.18.X . The features are
        new binary ops on Seeds.

11/16/2005 -- Robert Edwards
	Version 2.4.3. Changed names in smearing and source/sink constructions.

11/08/2005 -- Robert Edwards
	Version 2.4.2. Some new sources.

11/08/2005 -- Robert Edwards
	Version 2.4.1. Small changes to source and sink smearing to get it to compile
        on different platforms.

11/08/2005 -- Robert Edwards
	Version 2.4.0. Overhauled source mechanisms. Now have classes and factories
        for quark source construction, quark source smearing, quark sink smearing,
        quark smearing generically, and link smearing. MAKE_SOURCE and SINK_SMEAR
        now use these  source_construction, and sink_smearing, resp.

11/08/2005 -- Robert Edwards
	Version 2.3.6. Last changes and additions before move to new source
        mechanism.

11/04/2005 -- Robert Edwards
	Version 2.3.5. Version using new blas routines suitable for twisted-mass ferms
        from qdp. Some new IO minutae.

11/02/2005 -- Robert Edwards
	Version 2.3.4. Tiny changes.

10/25/2005 -- Robert Edwards
	Version 2.3.3. Some housecleaning. Moved some files from hadron to sources.
        Added flop counts for 4D CGNE. Removed some spurious "const" from linearop.h .

10/25/2005 -- Robert Edwards
	Version 2.3.2. Last tweaks before moving around files.

10/24/2005 -- Robert Edwards
	Version 2.3.1. Commented out some unused inline stuff.

10/24/2005 -- Robert Edwards
	Version 2.3.0. New noisy sources in inline_make_source and

10/24/2005 -- Robert Edwards
	Version 2.2.3. Added PARTFILE to qdp_volfmt string-to-enum map. Added call of
        fermbc aggregator in fermacts.

10/18/2005 -- Robert Edwards
	Version 2.2.2. Minor tweaks.

10/12/2005 -- Robert Edwards
	Version 2.2.1. Tightened some QDP file checks. Added updating of xml
        from gauge_startup in cases where no files read.

09/29/2005 -- Robert Edwards
	Version 2.2.0. Stout support added to HMC.

09/29/2005 -- Robert Edwards
	Version 2.1.0. Building blocks moved to version 3. 

09/26/2005 -- Robert Edwards
	Version 2.0.4. Added flavor label to inline_building_blocks.

09/26/2005 -- Robert Edwards
	Version 2.0.3. Some cleanups in the inline IO codes.

09/26/2005 -- Robert Edwards
	Version 2.0.2. Commented problematic conversion codes in QIO inline reader/writers
        for now.

09/26/2005 -- Robert Edwards
	Version 2.0.1. Fixed paths in chroma/tests/chroma . Fixed up seqsource
        conventions.

09/25/2005 -- Robert Edwards
	Version 2.0.beta. MAJOR UPGRADE! Many main progs vanish. New emphasis on inline
        measurements. New regression tests in  chroma/tests/chroma/* that mirror the
        chroma/lib/meas/inline/*  directories.

09/23/2005 -- Robert Edwards
	Version 1.24.1. More updates of IO inlines.

09/23/2005 -- Robert Edwards
	Version 1.24.0. Lots of new staggered measurements. New IO inline routines.

09/13/2005 -- Robert Edwards
	Version 1.23.11. Fixes to lib/Makefile.am to solve install build problems.

09/06/2005 -- Robert Edwards
	Version 1.23.10. New staggered meson spectrum code.

08/31/2005 -- Robert Edwards
	Version 1.23.9. Added qqbar and mescomp support.

08/27/2005 -- Robert Edwards
	Version 1.23.8. Added v4 back to prop reads. New staggered spectrum
        measurements.

08/23/2005 -- Robert Edwards
	Version 1.23.7. Added timings to inline measurements around IO routines.

08/23/2005 -- Robert Edwards
	Version 1.23.6. Cosmetic changes before some production work. Corresponds
        to using QDP++ 1.15.2 .

08/18/2005 -- Robert Edwards
	Version 1.23.5. Added hypsmear4d and smearing stuff to inline measurements.

07/29/2005 -- Robert Edwards
	Version 1.23.4. Added new info to building-blocks footer - new version 2.

07/20/2005 -- Robert Edwards
	Version 1.23.3. Fixes to barseqsrc routines to fix malfeature/conventions of 
        quarkContract12. 

07/19/2005 -- Robert Edwards
	Version 1.23.2. New inline multi-mass propagator routine. Chroma.cc
        now takes RNG seed.

07/13/2005 -- Robert Edwards
	Version 1.23.1. New flopcounts in minvcg codes.

06/29/2005 -- Robert Edwards
	Version 1.23.0. Major changes by Balint Joo in bagel lib, new flop counts,
        new memory hints from QDP++. Most of these aimed at QCDOC.

06/14/2005 -- Balint Joo
	Version 1.22.3. Fixed various things in the build system.
        GMP is now enabled with --with-gmp=<DIR>. DIR is optional.
	If not given one can use env variables GMP_CXXFLAGS, GMP_LDFLAGS
	and GMP_LIBS. If these environment variables are empty, GMP_LIBS
	will be defined as -lgmp assuming that the GMP is in a standard
	location. Not specifying --with-gmp disables building the GMP
	remez code

	The BAGEL WILSON DSLASH is now enabled with --with-bagel-wilson-dslash=DIR. DIR is optional. If not given it falls back to environment variables
        BAGEL_WILSON_DSLASH_CXXFLAGS, BAGEL_WILSON_DSLASH_LDFLAGS, BAGEL_WILSON_DSLASH_LIBS. Not giving the --with-bagel-wilson-dslash option disables the
use of the bagel wilson dslash

05/28/2005 -- Robert Edwards

	Version 1.22.2. Moved dwf_linop_base to dwflike_linop_base. Made
        the 1-flav Monomials also support 1 & 3 as a special case of more
        generic fractional flavor.

05/27/2005 -- Balint Joo

	Version 1.22.1. Cleaned up prec_ovlap_contfrac5d_linop codes.

05/27/2005 -- Balint Joo

	Version 1.22.0. Added new --enable-opt-cfz-linop option. Now
        have some optimized version of prec_ovlap_contfrac5d_linop.

05/27/2005 -- Balint Joo

	Version 1.21.6. Changed integrators to use num-steps instead of
        step-size.

05/19/2005 -- Robert Edwards

	Version 1.21.5. Mods in CFZ codes. New HMC integrators.

05/04/2005 -- Robert Edwards

	Version 1.21.4. New z2 sources. New HMC monomial control in 1-flavor.

04/25/2005 -- Robert Edwards

	Version 1.21.3. Added qpropqio for chroma.

04/25/2005 -- Robert Edwards

	Version 1.21.2. BJ added OvExt code and factories. Small cleanups and
        adding xml_file support to inline measurements.

04/17/2005 -- Robert Edwards

	Version 1.21.1. Changed one-flavor HMC monomial codes to support
        nth-rootery.

04/17/2005 -- Robert Edwards

	Version 1.21.0. Moved most mainprogs/main/*.cc codes to be wrappers
        over inline measurements. Inline codes significantly extended.

04/06/2005 -- Balint Joo

	Version 1.20.6. Small changes before major update of mainprogs.

04/02/2005 -- Balint Joo

	Version 1.20.5. Optimizations to the diag bits of the DWF,NEF variants

03/22/2005 -- Robert Edwards

	Version 1.20.4. Added  mainprogs/main/qpropqio.cc

03/21/2005 -- Robert Edwards

	Version 1.20.3. No major changes, but an improvement in qdp++ to the 
        sumMulti to now use a QMP global sum on an array instead of individual
        sums.

03/14/2005 -- Robert Edwards

	Version 1.20.2. Fixed Building-Blocks stuff (ExampleBuildingBlocks)
        to now do BB for each seqprop instead of all together. This
        helps get around the max file-descriptor problem.

03/12/2005 -- Robert Edwards

	Version 1.20.1. Changed ExampleBuildingBlocks to use an XML
        interface.

03/06/2005 -- Robert Edwards

	Version 1.20.0. Overhauled sequential source construction.
        Eliminated "magic numbers" for sources. Now all string 
        driven. Added force measurements to HMC.

03/06/2005 -- Robert Edwards

	Version 1.19.14. Bug fix in SzinGauge_t constructor. This was
        introduced when the initHeader's were removed in favor of 
        constructors.

03/02/2005 -- Robert Edwards

	Version 1.19.13. Bug fix in ZoloNef FermAct codes. Only showed 
        up in Zolo case. This bug was introduced 2/14/05 - now squashed.

03/02/2005 -- Robert Edwards

	Version 1.19.12. Argh - bug fix. Resize's in linop array routines
        caused problems. Updated command-line args to all main programs.

02/27/2005 -- Robert Edwards

	Version 1.19.11. Small code simplifications.

02/27/2005 -- Robert Edwards

	Version 1.19.10. 5D versions of Chrono predictor in place.
        Changed input format of sink_smear and qqq_w to take arrays.

02/23/2005 -- Balint Joo

	Version 1.19.9. Upgrade again of Chrono predictors. Seems to
        work for 4D. Need 5D.

02/23/2005 -- Robert Edwards

	Version 1.19.8. Updated interface for Chrono predictors.  Start of
	aniso support in GaugeActs. Split off some structs to separate
	files to thin-out file dependencies.

02/21/2005 -- Robert Edwards

	Version 1.19.7. Added aniso support for DWF and SSE DWF.
        Changed all initHeader-s to appropriate default constructors
        for the structs. Changed quarkProp routines to take SystemSolver
        instead of FermAct.

02/21/2005 -- Robert Edwards

	Version 1.19.6. Moved stock mainprogs to bin_PROGRAMS. They
        are now installed.

02/16/2005 -- Robert Edwards

	Version 1.19.5. Added hybrid meson stuff to spectrum_w. 

02/13/2005 -- Robert Edwards

	Version 1.19.4. Changed/fixed all ContFrac codes to have a +OverMass 
        sign convention. Changed Zolo fermacts to take ApproxMin/Max from 
        FermionAction group. 

02/10/2005 -- Robert Edwards

	Version 1.19.3. Fixed ritz code to work over subsets.

02/09/2005 -- Robert Edwards

	Version 1.19.2. Small bug fixes. Split off hypsmear.cc

02/06/2005 -- Robert Edwards

	Version 1.19.1. Added a bunch of aggregators to simplify
        linkage stuff.

02/02/2005 -- Robert Edwards

	Version 1.19.0. One flavor RHMC support now in place.
        One currently needs a  --enable-gmp  flag on configure
        to hook in GNU GMP.

02/02/2005 -- Robert Edwards

	Version 1.18.9. Added missing files to lib/Makefile.am .
        Upgraded Remez codes. New configure switch for GMP.

02/01/2005 -- Robert Edwards

	Version 1.18.8. Cosmetic changes. Code sync.

01/31/2005 -- Robert Edwards

	Version 1.18.7. Fixed output names in proginfo to produce valid XML !

01/31/2005 -- Robert Edwards

	Version 1.18.6. Fixes in HT fermact codes.

01/27/2005 -- Robert Edwards

	Version 1.18.5. Split abs_monomial into separate
        two flavor and new one flavor rational support.

01/16/2005 -- Robert Edwards

	Version 1.18.4. Mainprogs including HMC finally appears
        stable after all the XML singleton instances, etc. More
        Chrono predictors.

01/16/2005 -- Robert Edwards

	Version 1.18.3. Added more 5D monomials. Added Pauli-Villars
        for contfrac5d.

01/15/2005 -- Robert Edwards

	Version 1.18.2. Fixed norms on new gaugeacts. Seem okay.

01/15/2005 -- Balint Joo

	Version 1.18.1. Added missing include files to lib/Makefile.am
        Fixed norms on new gaugeacts. Seem okay.

01/14/2005 -- Robert Edwards

	Version 1.18.0. Major housecleaning. All lib routines now in
        Chroma namespace. Removed all "using" directives in lib routines.
        The QDP namespace is however, "used" in chromabase.h

01/14/2005 -- Robert Edwards

	Version 1.17.1. Some code cleanups/namespaces. Logging in HMC.
        Merged in Al Hart's changes.

01/13/2005 -- Balint Joo

	Version 1.17.0. Major reorg of molecdyn dir. Files split and
        rearranged. Basic HMC structure in place - still some polishing.
        Gauge acts like plaq,rect,pg seem to all work.

01/12/2005 -- Robert Edwards

	Version 1.16.1. Added new gauge actions (wrappers over plaq,rect,pg).

01/12/2005 -- Robert Edwards

	Version 1.16.0. Rearranged actions/gauge directories.

01/12/2005 -- Robert Edwards

	Version 1.15.5. More hardening of HMC. Some bug fixes in gaugeacts.

01/11/2005 -- Robert Edwards

	Version 1.15.4. Added plaq,rect,pg gaugeacts. Made gauge monomial
        class generic.

01/11/2005 -- Robert Edwards

	Version 1.15.3. More hardeninng of HMC. Chrono prediction added.
        Added ParWilson (Twisted Mass Wilson) support within HMC.

01/10/2005 -- Robert Edwards

	Version 1.15.2. Changed HMC monomial routines to more generic
        method.

01/10/2005 -- Robert Edwards

	Version 1.15.1. Some more HMC suport. Small code cleanups
        to make code pass -Wall.

01/07/2005 -- Robert Edwards

	Version 1.15.0. Added SSE qpropT for DWF. 

01/06/2005 -- Robert Edwards

	Version 1.14.3. HMC support appears fixed.

01/04/2005 -- Robert Edwards

	Version 1.14.2. Added linOpPV back into FermAct5D hierachy.
        Rearranged and extended Monomial support which now has a 4D
        and 5D branch. Abstracted derivative/refresh codes. Added 
        new monomials.

01/04/2005 -- Robert Edwards

	Version 1.14.1. Small changes in derivative support.

01/01/2005 -- Robert Edwards

	Version 1.14.0. Another major overhaul of FermionAction
        classes. The concept of derivative is pushed up higher in
        the tree. All fermacts now have some default derivative
        support (possibly nothing more than Not Implemented message).
        Qprop and QpropT now produced via factory functions ala
        LinearOperators. Now have a SystemSolver class - can be used
        for all solvers.

01/01/2005 -- Robert Edwards

	Version 1.13.1. HMC now runs, but still needs work.

12/29/2004 -- Robert Edwards

	Version 1.13.0. Rearranged top-level FermionAction support.
        Consolidated FermFactories.

12/29/2004 -- Robert Edwards

	Version 1.12.1. HMC changes and support for gauge and
        ferm Monomials.

12/23/2004 -- Robert Edwards

	Version 1.12.0. Now have a FermBC factory/foundries. Removed 
        explicit FermBC args from FermAct factories and now the creation
        of the FermBC is done within the construction of the FermAct.
        Similarly, HMC will create FermActs as needed. The old "boundary"
        within propagator.cc input is now shoved into the FermionAction
        xml.

12/23/2004 -- Robert Edwards

	Version 1.11.3. More HMC changes.

12/22/2004 -- Robert Edwards

	Version 1.11.2. New HMC support. First versions of Monomials.

12/15/2004 -- Robert Edwards

	Version 1.11.1. Fixed chroma_config (for libs). Moved other routines
        to chroma namespace. Added more to EXTRA_DIST .

12/12/2004 -- Robert Edwards

	Version 1.11.0. Major overhaul of fermact and linearop class
        structure. Removed dsdu stuff - now in linops. Introduced
        levels of fermacts (base or not) that have derivs. All low
        level fermacts/linops have an additional template param for
        type of conjugate momenta in derivative. Made all fermacts and
        linops within chroma namespace.

12/09/2004 -- Robert Edwards

	Version 1.10.2. Changed prec. DWF-base to have linOp4D only
        use prec. 5D operators.

12/09/2004 -- Robert Edwards

	Version 1.10.1. Small fixes/tweaks

12/09/2004 -- Robert Edwards

	Version 1.10.0. Overhaul of DWF-like class structure.

12/06/2004 -- Robert Edwards

	Version 1.9.2. Changes to staggered stuff. Start of xmldiff checks.

11/22/2004 -- Robert Edwards

	Version 1.9.1. Removed last of all Namelist-isms. 

11/22/2004 -- Robert Edwards

	Version 1.9.0. Big merge of Wilson and Staggered builds - now all
        the same. Cleaned up automake files so make distcheck  should work.

11/20/2004 -- Robert Edwards

	Version 1.8.2. More changes within Zolo Ferm support. 
        Changed staggered files to use LatticeStaggeredFermion

10/21/2004 -- Robert Edwards

	Version 1.8.1. More updates. First start of Zolo in NEF.

10/18/2004 -- Robert Edwards

	Version 1.8.0. First version. Changed to support QMP-2. New fermion action
        initialization. New support for variable initialization.

09/28/2004 -- Balint

     -- ZolotarevStateInfo has been renamed to OverlapStateInfo
	( and the previous empty OverlapStateInfo base class has been removed)

     -- I have added the state_info field to Propagator_Input_t 
	  as a standard string. I had it in ChromaProp_t first but I 
	  believe it should not be part of the <Param> </Param>
	  tagset but rather live at the same level as Cfg_t in the
	  top level applications. Look in propagator.cc to see how 
	  I manage it. Essentially I do this (propagator.cc line 84):

    // Read any auxiliary state information
    // if it exists
    if( inputtop.count("StateInfo") == 1 ) {
      XMLReader xml_state_info(inputtop, "StateInfo");
      std::ostringstream os;
      xml_state_info.print(os);
      input.stateInfo = os.str();
    }
    else {
    // Write an empty <?xml ... ><StateInfo/> document if not 
    // found 
      XMLBufferWriter s_i_xml;
      push(s_i_xml, "StateInfo");
      pop(s_i_xml);
      input.stateInfo = s_i_xml.str();
    }

    I have added dummy createState() functions to the various
    fermacts that read from an XML containing StateInfo. Apart
    from the overlap, these createState()-s just ignore
    the XML, but this virtual func could be a good hook for you
    if you add StateInfo to some ZolotarevCoeff-ed DWF fermacts.
    In fact, if you just write these, they'll be picked up appropriately
    by propagator...

    A sample usage of state info is in 
	chroma/tests/propagator/propagator_zolo4d_v6.xml.in

    -- As agreed, I have removed backward compatibility with 
    SZIN - type vectors in createOverlapState() -- now just 
    uses my evecs.

    -- I have written factory functions for creating OverlapConnectState-s
    in overlap_state.h overlap_state.cc. I originally wrote these
    as templated funcs, but then I couldn't shove them into the .cc file
    - they'd needed to have stayed in the .h file where the prototypes
    are defined. So I did similar things to the Inverter functions. 
    I wrote out the "specialisations" in the .h file and wrapped a templated
    version in the .cc. Your fermact's createState()-s can just dive on these
    see ovlap_partfrac_4d_fermact_w.[h,cc]. The issue of 4D and 5D BC's is
    hacked around as discussed:

  	i) The aux ferm act gets trivial BC-s. This doesn't matter as 
	   we never use them. We always use the BC-s of the parent.
       ii) the createOverlapState() function is passed a linOp which
	   the caller FermAct constructs. AuxMass is therefore no longer
	   passed
       iii) the createOverlapState() function creates a SimpleConnectState
           internally to call the passed linOp with, after applying
	   the modifyU() function of the passed FermBC

    -- Zolotarev4DFermAct and Zolotarev5DFermActArray have been renamed:
     as  OverlapPartFrac4DFermAct
     and 
	 UnprecOverlapContFrac5DFermActArray

     and put in ovlap_partfrac4d_fermact_w.[h,cc] 
         and    unprec_ovlap_contfrac4d_fermact_array_w.[h,cc] 

    the zolotarev5d_linop_array_w.[h,cc] is still there but will
    also be renamed real soon now.  

    -- I have removed the double mappings for backward compatibility
    ZOLOTAREV_4D and ZOLOTAREV_5D are dead. Now you need to specify
    something like:

  <FermionAction>
    <FermAct>OVERLAP_PARTIAL_FRACTION_4D</FermAct>
    <IsChiral>true</IsChiral>
    <ApproximationType>ZOLOTAREV</ApproximationType>
    <Mass>0.04</Mass>
    <RatPolyDeg>17</RatPolyDeg>
    <InnerSolve>
      <MaxCG>1000</MaxCG>
      <RsdCG>1.0e-7</RsdCG>
      <ReorthFreq>20</ReorthFreq>
    </InnerSolve>
    <AuxFermAct>
      <FermAct>UNPRECONDITIONED_WILSON</FermAct>
      <Mass>-1.4</Mass>
    </AuxFermAct>
  </FermionAction>

   Other new FermActs:

 	"UNPRECONDITIONED_OVERLAP_CONTINUED_FRACTION_5D"
and soon "OVERLAP_CONTINUED_FRACTION_5D" (which will be preconditioned)

    
    ApproximationType can be "ZOLOTAREV" or "TANH" for now.
    Robert feel free to add your own here if you want. 

	io/enum_io/enum_coeffs_io.[h,cc]
	io/enum_io/enum_fermacttype_io.[h,cc]

    I have removed therefore the old XML input files from the repository
    and added in the new ones.

    -- Approximation type can now also be TANH with the following caveats:

	i) rescaling: I am still not clear on this. I may not need
	to do this at all or I may need to do it the same way 
	as done in the ZOLO case. I'll ask Tony.
	
	ii) projection: I saw in your paper that in the Borici 
	(TANH) case, the EigValFunc is not signum but in fact 
	the polar approximation: \epsilon_{Ls/2}


    -- Also note from the above XML, that as agreed, I pushed the IsChiral
    to be a user supplied parameter. So that if we have a bad approximation
    for Zolotarev we can set it to false. Likewise if we have a supremely
    high order tanh approximation with projection so that we are effectively
    chiral then you can set it to true.

    -- fermact_paramio.h fermact_paramio.cc zolotarev4d_fermact_paramio.h
       zolotarev4d_fermact_paramio.cc are GONE (removed from CVS)
       zolotarev5d_fermact_paramio.[h,cc] are still around but 
       will be gone real soon now.


08/30/2004 -- Robert Edwards

	Version 1.7.4. Really, these are the last changes before 1.8

08/30/2004 -- Robert Edwards

	Version 1.7.3. Last changes before 1.8

08/20/2004 -- Robert Edwards

	Version 1.7.2. Changed wall-FF codes to allow wall-source.

08/20/2004 -- Robert Edwards

	Version 1.7.1. Some more hmc support.

08/01/2004 -- Robert Edwards

	Version 1.7.0. Added SSE_DWF_CG support.

07/27/2004 -- Robert Edwards

	Version 1.6.2. Changed START/END_CODE() to not have first arg.

07/27/2004 -- Robert Edwards

	Version 1.6.1. Changed sink_smear2_w.{h,cc} to fermion indep.
        sink_smear2.{h,cc}. Other small lib/Makefile.am fixes.

07/26/2004 -- Robert Edwards

	Version 1.6.0. New HMC support. New profiling support.
	Changed mem. layout to remove PDWVector layer - only matters
	for SSE routines. Removed completely all uses, decls, files
	with LatticeDWFermion.

07/13/2004 -- Robert Edwards

	Version 1.5.20. Final version before minor release of QDP breaks old
        usage of LatticeDWFermion.

06/08/2004 -- Robert Edwards

	Version 1.5.19. Modifed Wallformfac mainprog to write binary.

06/08/2004 -- Robert Edwards

	Version 1.5.18. Wallformfac codes debugged to some
	extent. Added new delta operators in baryons_w.cc .
	Time for major tests.

05/28/2004 -- Robert Edwards

	Version 1.5.17. Changed Coulomb gfixing to use gauge transf matrices.
        Put relaxed solvers in for overlap and into things like quarkProp4

05/27/2004 -- Robert Edwards

	Version 1.5.16. Fixed SciDAC gauge IO to always read/write in
        single prec. Fixed initialization in multi-mass quark prop.

05/25/2004 -- Robert Edwards

	Version 1.5.15. Fixed KYU qprop readers to correct basis.
        Completed insertion of GMRES and relaxed codes. Also inner
        "preconditioned" versions.

05/19/2004 -- Robert Edwards

	Version 1.5.14. Relaxed solvers for overlap appear to work. Now have
        BiCG codes, SUMR, CG, etc. and multi-mass variants. Fixed KYU qprop
        reader.

05/13/2004 -- Robert Edwards

	Version 1.5.13. QQQ program now can output in Dirac or Degrand-Rossi
        basis. Made basis rotation more public.

05/13/2004 -- Balint Joo

	Version 1.5.12. Working multi-mass SUMR code.

05/12/2004 -- Robert Edwards

	Version 1.5.11. Tidying in the sequential source/prop reader/writers.
        Working SUMR codes. Overlap under development to use new tricks.

05/04/2004 -- Balint Joo

	Version 1.5.10. Overlap double pass appears okay.

05/02/2004 -- Robert Edwards

	Version 1.5.9. Qproptransf codes in place. Now have completed
	conversion to new seqsource/propagator qprop format.

04/29/2004 -- Robert Edwards

	Version 1.5.8. Wall-formfactor code appears to work and agree
	with bar3ptfn code with a wall sink.

04/29/2004 -- Balint Joo

	Version 1.5.7. Changed auto-isms to allow correct installation. Fixed 
        chroma-config to be useful. Now have a chroma_config.h and internal.h.

04/27/2004 -- Robert Edwards

	Version 1.5.6. Last changes (mostly overlap) before splitup of main codes.

04/23/2004 -- Robert Edwards

	Version 1.5.5. More support for overlap.

04/22/2004 -- Robert Edwards

	Version 1.5.4. BUG FIX in baryon_w.cc . The proton_{4,5,6} were converted
        incorrectly from szin. 
        Cleanups in gauge initialization. Overlap support now in propagator codes.

04/21/2004 -- Robert Edwards

	Version 1.5.3. New version of propagator input. New wall-sink
        formfactor codes. New multi-prop. support.

04/05/2004 -- Robert Edwards

	Version 1.5.2. Start of support for SZINQIO.

04/01/2004 -- Robert Edwards

	Version 1.5.1. Added non-relativistic support to seqprop.

02/22/2004 -- Robert Edwards

	Version 1.5.0. Major change in propagator model in main programs. ONLY
        support SciDAC format of propagators. Now, the "Param" group on input is the
        header of some propagator. There are XML and binary parts of propagators
        (SciDAC format). The XML part is used in subsequent calculations, thus removing
        potentially erroneous use of input params in calcs.
        All test files changed to match

02/22/2004 -- Robert Edwards

	Version 1.4.4. Some new programs added. Fixed make_source/propagator/seqprop/spectrum
        chain of tests to be consistent and give reasonable output. Cross-checked against
        new (un-committed) XML driven input/output model.

01/27/2004 -- Robert Edwards

	Version 1.4.3. Overhauled SSE Wilson dslash support. New index tables.

01/26/2004 -- Robert Edwards

	Version 1.4.2. More eigenvalue stuff. Tagging pre-release of the
        new SSE Wilson dslash support.

01/07/2004 -- Robert Edwards

	Version 1.4.1. Functioning Zolotarev code by Balint Joo.
	Also, added WILSON and STAGGERED build control.

01/01/2004 -- Robert Edwards

	Version 1.4.0. Removed all proxies. Switched to only use Handles
	(proxies were just glorified handles). Changed fermact factory
	functions to require a Handle<const ConnectState>  instead of a
	pointer to a connect state.  Added Fermion and Gauge BC support.
	Now a new virtual getFermBC in FermAct.  Now, the semantics is
	the FermAct is responsible for applying the Fermionic BC. All
	the fermacts changed to pass a FermBC which is then applied
	to the U fields in createState. This is supplied as a default
	in createState. 
        First tentative code for pure gauge heatbath and dyn. ferm. HMC.

12/31/2003 -- Robert Edwards

	Version 1.3.2. More tweaks in fermacts. Added first versions
        of heatbath and HMC (not working yet).
        This is a pre-release before major changes to come. The next
        version changes substantially the fermacts - now gauge and
        fermion BC are included in the proper way.

12/06/2003 -- Robert Edwards

	Version 1.3.1. Added various gauge fixing routines.

12/02/2003 -- Robert Edwards

	Version 1.3.0. Another overhaul of FermionAction support. Now
        create and pass around gauge connection state.

12/01/2003 -- Robert Edwards

	Version 1.2.1. Minor tweaks. Pre-release for 1.3.0 .

11/23/2003 -- Robert Edwards

	Version 1.2.0. Overhauled FermionAction and LinearOperator. Added
        new even-odd preconditioned support.

11/20/2003 -- Robert Edwards

	Version 1.1.4. Switched LinearOperator and FermionAction interfaces to
        pass what was return type as instead argument to operator() & apply (linop)
        and dsdu (fermact).

11/20/2003 -- Robert Edwards

	Version 1.1.3. Small tweaks.

11/16/2003 -- Robert Edwards

	Version 1.1.2. Added extended-overlap action and linop.

11/14/2003 -- Robert Edwards

	Version 1.1.1. Rearranged fermact files and made more base classes.
        Merged separate dsdu and qprop files into corresponding fermact files.

11/14/2003 -- Robert Edwards

	Version 1.1.0. Added array versions of fermacts. Now have functioning
        unprecondition DWF operator.

10/09/2003 -- Robert Edwards

	Version 1.0.1. Changed all cout/cerr/QDP_info to use QDPIO::cout/cerr.

10/07/2003 -- Robert Edwards

	Version 1.0.0. First major release. Supports sse extensions. Several
        bits in production. More to come.
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