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ChangeLog
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ChangeLog -- Summary of changes to the WHIZARD package
Use svn log to see detailed changes.
Version 2.0.2
2010-05-18
RELEASE: version 2.0.2
2010-05-14
Reimplementation of visualization of phase space
channels
Minor bug fixes
2010-05-12
Improved phase space - elimination of redundancies
2010-05-08
Interface for polarization completed: polarized beams etc.
2010-05-06
Full quantum numbers appear in process log
Integration results are usable as user variables
Communication with external programs
2010-05-05
Split module commands into commands, integration,
simulation modules
2010-05-04
FSR+ISR for the first connected to the WHIZARD 2 core
##################################################################
2010-04-25
RELEASE: version 2.0.1
2010-04-23
Automatic compile and integrate if simulate is called
Minor bug fixes in O'Mega
2010-04-21
Checkpointing for event generation
Flush statements to use WHIZARD inside a pipe
2010-04-20
Reimplementation of signal handling in WGIZARD 2.0
2010-04-19
VAMP is now a separately configurable and installable unit of
WHIZARD, included VAMP self-checks
Support again compilation in quadruple precision
2010-04-06
Allow for logarithmic plots in GAMELAN, reimplement the
possibility to set the number of bins
2010-04-15
Improvement on time estimates for event generation
##################################################################
2010-04-12
RELEASE: version 2.0.0
2010-04-09
Per default, the code for the amplitudes is subdivided to allow
faster compiler optimization
More advanced and unified and straightforward command language
syntax
Final bug fixes
2010-04-07
Improvement on SINDARIN syntax; printf, sprintf function
thorugh a C interface
2010-04-05
Colorizing DAGs instead of model vertices: speed boost
in colored code generation
2010-03-31
Generalized options for normalization of weighted and
unweighted events
Grid and weight histories added again to log files
Weights can be used in analyses
2010-03-28
Cascade decays completely implemented including color and
spin correlations
2010-03-07
Added new WHIZARD header with logo
2010-03-05
Removed conflict in O'Mega amplitudes between flavour sums
and cascades
StdHEP interface re-implemented
2010-03-03
RELEASE: version 2.0.0rc3
Several bug fixes for preventing abuse in input files
OpenMP support for amplitudes
Reimplementation of WHIZARD 1 HEPEVT ASCII event formats
FeynRules interface successfully passed MSSM test
2010-02-26
Eliminating ghost gluons from multi-gluon amplitudes
2010-02-25
RELEASE: version 1.95
HEPEVT format from WHIZARD 1 re-implemented in WHIZARD 2
2010-02-23
Running alpha_s implemented in the FeynRules interface
2010-02-19
MSSM (semi-) automatized self-tests finalized
2010-02-17
RELEASE: version 1.94
2010-02-16
Closed memory corruption in WHIZARD 1
Fixed problems of old MadGraph and CompHep drivers
with modern compilers
Uncolored vertex selection rules for colored amplitudes in
O'Mega
2010-02-15
Infrastructure for color correlation computation in O'Mega
finished
Forbidden processes are warned about, but treated as non-fatal
2010-02-10
Improving phase space mappings for identical particles in
initial and final states
Introduction of more extended multi-line error message
2010-02-08
First O'Caml code for computation of color correlations in
O'Mega
2010-02-07
First MLM matching with e+ e- -> jets
2010-02-04
Color correlation computation in O'Mega finalized
##################################################################
2010-02-06
RELEASE: version 2.0.0rc2
2010-02-05
Reconsidered the Makefile structure and more extended tests
Catch a crash between WHIZARD and O'Mega for forbidden processes
Tensor products of arbitrary color structures in jet definitions
##################################################################
2010-02-03
RELEASE: version 2.0.0rc1
##################################################################
2010-01-31
Reimplemented numerical helicity selection rules
Phase space functionality of version 1 restored and improved
2009-12-05
NMSSM validated with FeynRules in WHIZARD 1 (Felix Braam)
2009-12-04
RELEASE: version 2.0.0alpha
##################################################################
2009-04-16
RELEASE: version 1.93
2009-04-15
Clean-up of Makefiles and configure scripts
Reconfiguration of BSM model implementation
extended supersymmetric models
2008-12-23
New model NMSSM (Felix Braam)
SLHA2 added
Bug in LHAPDF interface fixed
2008-08-16
Bug fixed in K matrix implementation
Gravitino option in the MSSM added
2008-03-20
Improved color and flavor sums
##################################################################
2008-03-12
RELEASE: version 1.92
LHEF (Les Houches Event File) format added
Fortran 2003 command-line interface (if supported by the compiler)
Automated interface to colored models
More bug fixes and workarounds for compiler compatibility
##################################################################
2008-03-06
RELEASE: version 1.91
New model K-matrix (resonances and anom. couplings in WW scattering)
EWA spectrum
Energy-scan pseudo spectrum
Preliminary parton shower module (only from final-state quarks)
Cleanup and improvements of configure process
Improvements for O'Mega parameter files
Quadruple precision works again
More plotting options: lines, symbols, errors
Documentation with PDF bookmarks enabled
Various bug fixes
2007-11-29
New model UED
##################################################################
2007-11-23
RELEASE: version 1.90
O'Mega now part of the WHIZARD tree
Madgraph/CompHEP disabled by default (but still usable)
Support for LHAPDF (preliminary)
Added new models: SMZprime, SM_km, Template
Improved compiler recognition and compatibility
Minor bug fixes
##################################################################
2006-06-15
RELEASE: version 1.51
Support for anomaly-type Higgs couplings (to gluon and photon/Z)
Support for spin 3/2 and spin 2
New models: Little Higgs (4 versions), toy models for extra dimensions
and gravitinos
Fixes to the whizard.nw source documentation to run through LaTeX
Intel 9.0 bug workaround (deallocation of some arrays)
##################################################################
2006-02-07
RELEASE: version 1.50
To avoid confusion: Mention outdated manual example in BUGS file
2006-02-02 [bug fix update]
Bug fix: spurious error when writing event files for weighted events
Bug fix: 'r' option for omega produced garbage for some particle names
Workaround for ifort90 bug (crash when compiling whizard_event)
Workaround for ifort90 bug (crash when compiling hepevt_common)
2006-01-27
Added process definition files for MSSM 2->2 processes
Included beam recoil for EPA (T.Barklow)
Updated STDHEP byte counts (for STDHEP 5.04.02)
Fixed STDHEP compatibility (avoid linking of incomplete .so libs)
Fixed issue with comphep requiring Xlibs on Opteron
Fixed issue with ifort 8.x on Opteron (compiling 'signal' interface)
Fixed color-flow code: was broken for omega with option 'c' and 'w'
Workaround hacks for g95 compatibility
##################################################################
2005-10-25
RELEASE: version 1.43
Minor fixes in MSSM couplings (Higgs/3rd gen squarks).
This should be final, since the MSSM results agree now completely
with Madgraph and Sherpa
User-defined lower and upper limits for split event file count
Allow for counters (events, bytes) exceeding $2^{31}$
Revised checksum treatment and implementation (now MD5)
Bug fix: missing process energy scale in raw event file
##################################################################
2005-09-30
RELEASE: version 1.42
Graphical display of integration history ('make history')
Allow for switching off signals even if supported (configure option)
2005-09-29
Revised phase space generation code, in particular for flavor sums
Negative cut and histogram codes use initial beams instead of
initial parton momenta. This allows for computing, e.g., E_miss
Support constant-width and zero-width options for O'Mega
Width options now denoted by w:X (X=f,c,z). f option obsolescent
Bug fix: colorized code: flipped indices could screw up result
Bug fix: O'Mega with 'c' and 'w:f' option together (still some problem)
Bug fix: dvips on systems where dvips defaults to lpr
Bug fix: integer overflow if too many events are requested
2005-07-29
Allow for 2 -> 1 processes (if structure functions are on)
2005-07-26
Fixed and expanded the 'test' matrix element:
Unit matrix element with option 'u' / default: normalized phase space
##################################################################
2005-07-15
RELEASE: version 1.41
Bug fix: no result for particle decay processes with width=0
Bug fix: line breaks in O'Mega files with color decomposition
2005-06-02
New self-tests (make test-QED / test-QCD / test-SM)
check lists of 2->2 processes
Bug fix: HELAS calling convention for wwwwxx and jwwwxx (4W-Vertex)
2005-05-25
Revised Makefile structure
Eliminated obsolete references to ISAJET/SUSY (superseded by SLHA)
2005-05-19
Support for color in O'Mega (using color flow decomposition)
New model QCD
Parameter file changes that correspond to replaced SM module in O'Mega
Bug fixes in MSSM (O'Mega) parameter file
2005-05-18
New event file formats, useful for LHC applications:
ATHENA and Les Houches Accord (external fragmentation)
Naive (i.e., leading 1/N) color factor now implemented both for
incoming and outgoing partons
2005-01-26
include missing HELAS files for bundle
pgf90 compatibility issues [note: still internal error in pgf90]
##################################################################
2004-12-13
RELEASE: version 1.40
compatibility fix: preprocessor marks in helas code now commented out
minor bug fix: format string in madgraph source
2004-12-03
support for arbitray beam energies and directions
allow for pT kick in structure functions
bug fix: rounding error could result in zero cross section
(compiler-dependent)
2004-10-07
simulate decay processes
list fraction (of total width/cross section) instead of efficiency
in process summary
new cut/analysis parameters AA, AAD, CTA: absolute polar angle
2004-10-04
Replaced Madgraph I by Madgraph II. Main improvement: model no
longer hardcoded
introduced parameter reset_seed_each_process (useful for debugging)
bug fix: color initialization for some processes was undefined
2004-09-21
don't compile unix_args module if it is not required
##################################################################
2004-09-20
RELEASE: version 1.30
g95 compatibility issues resolved
some (irrelevant) memory leaks closed
removed obsolete warning in circe1
manual update (essentially) finished
2004-07-26
minor fixes and improvements in make process
2004-06-29
workarounds for new Intel compiler bugs ...
no rebuild of madgraph/comphep executables after 'make clean'
bug fix in phase space routine:
wrong energy for massive initial particles
bug fix in (new) model interface: name checks for antiparticles
pre-run checks for comphep improved
ww-strong model file extended
Model files particle name fixes, chep SM vertices included
2004-05-05
Fixed bug in PDFLIB interface: p+pbar was initialized as p+p (ThO)
NAG compiler: set number of continuation lines to 200 as default
Extended format for cross section summary; appears now in whizard.out
Fixed 'bundle' feature
2004-04-28
Fixed compatibility with revised O'Mega SM_ac model
Fixed problem with x=0 or x=1 when calling PDFLIB (ThO)
Fixed bug in comphep module: Vtb was overlooked
##################################################################
2004-04-15
RELEASE: version 1.28
Fixed bug: Color factor was missing for O'Mega processes with
four quarks and more
Manual partially updated
2004-04-08
Support for grid files in binary format
New default value show_histories=F (reduce output file size)
Revised phase space switches: removed annihilation_lines,
removed s_channel_resonance, changed meaning of
extra_off_shell_lines, added show_deleted_channels
Bug fixed which lead to omission of some phase space channels
Color flow guessed only if requested by guess_color_flow
2004-03-10
New model interface: Only one model name specified in whizard.prc
All model-dependent files reside in conf/models (modellib removed)
2004-03-03
Support for input/output in SUSY Les Houches Accord format
Split event files if requested
Support for overall time limit
Support for CIRCE and CIRCE2 generator mode
Support for reading beam events from file
2004-02-05
Fixed compiler problems with Intel Fortran 7.1 and 8.0
Support for catching signals
##################################################################
2003-08-06
RELEASE: version 1.27
User-defined PDF libraries as an alternative to the standard PDFLIB
2003-07-23
Revised phase space module: improved mappings for massless particles,
equivalences of phase space channels are exploited
Improved mapping for PDF (hadron colliders)
Madgraph module: increased max number of color flows from 250 to 1000
##################################################################
2003-06-23
RELEASE: version 1.26
CIRCE2 support
Fixed problem with 'TC' integer kind [Intel compiler complained]
2003-05-28
Support for drawing histograms of grids
Bug fixes for MSSM definitions
##################################################################
2003-05-22
RELEASE: version 1.25
Experimental MSSM support with ISAJET interface
Improved capabilities of generating/analyzing weighted events
Optional drawing phase space diagrams using FeynMF
##################################################################
2003-01-31
RELEASE: version 1.24
A few more fixes and workarounds (Intel and Lahey compiler)
2003-01-15
Fixes and workarounds needed for WHIZARD to run with Intel compiler
Command-line option interface for the Lahey compiler
Bug fix: problem with reading whizard.phs
##################################################################
2002-12-10
RELEASE: version 1.23
Command-line options (on some systems)
Allow for initial particles in the event record, ordered:
[beams, initials] - [remnants] - outgoing partons
Support for PYTHIA 6.2: Les Houches external process interface
String pythia_parameters can be up to 1000 characters long
Select color flow states in (internal) analysis
Bug fix in color flow content of raw event files
Support for transversal polarization of fermion beams
Cut codes: PHI now for absolute azimuthal angle, DPHI for distance
'Test' matrix elements optionally respect polarization
User-defined code can be inserted for spectra, structure functions
and fragmentation
Time limits can be specified for adaptation and simulation
User-defined file names and file directory
Initial weights in input file no longer supported
Bug fix in MadGraph (wave function counter could overflow)
Bug fix: Gamelan (graphical analysis) was not built if noweb absent
##################################################################
2002-03-16
RELEASE: version 1.22
Allow for beam remnants in the event record
2002-03-01
Handling of aliases in whizard.prc fixed (aliases are whole tokens)
2002-02-28
Optimized phase space handling routines
(total execution time reduced by 20-60%, depending on process)
##################################################################
2002-02-26
RELEASE: version 1.21
Fixed ISR formula (ISR was underestimated in previous versions).
New version includes ISR in leading-log approximation up to
third order. Parameter ISR_sqrts renamed to ISR_scale.
##################################################################
2002-02-19
RELEASE: version 1.20
New process-generating method 'test' (dummy matrix element)
Compatibility with autoconf 2.50 and current O'Mega version
2002-02-05
Prevent integration channels from being dropped (optionally)
New internal mapping for structure functions improves performance
Old whizard.phx file deleted after recompiling (could cause trouble)
2002-01-24
Support for user-defined cuts and matrix element reweighting
STDHEP output now written by write_events_format=20 (was 3)
2002-01-16
Improved structure function handling; small changes in user interface:
new parameter structured_beams in &process_input
parameter fixed_energy in &beam_input removed
Support for multiple initial states
Eta-phi (cone) cut possible (hadron collider applications)
Fixed bug: Whizard library was not always recompiled when necessary
Fixed bug: Default cuts were insufficient in some cases
Fixed bug: Unusable phase space mappings generated in some cases
2001-12-06
Reorganized document source
2001-12-05
Preliminary CIRCE2 support (no functionality yet)
2001-11-27
Intel compiler support (does not yet work because of compiler bugs)
New cut and analysis mode cos-theta* and related
Fixed circular jetset_interface dependency warning
Some broadcast routines removed (parallel support disabled anyway)
Minor shifts in cleanup targets (Makefiles)
Modified library search, check for pdflib8*
2001-08-06
Fixed bug: I/O unit number could be undefined when reading phase space
Fixed bug: Unitialized variable could cause segfault when
event generation was disabled
Fixed bug: Undefined subroutine in CIRCE replacement module
Enabled feature: TGCs in O'Mega (not yet CompHEP!) matrix elements
(CompHEP model sm-GF #5, O'Mega model SM_ac)
Fixed portability issue: Makefile did rely on PWD environment variable
Fixed portability issue: PYTHIA library search ambiguity resolved
2001-08-01
Default whizard.prc and whizard.in depend on activated modules
Fixed bug: TEX=latex was not properly enabled when making plots
2001-07-20
Fixed output settings in PERL script calls
Cache enabled in various configure checks
2001-07-13
Support for multiple processes in a single WHIZARD run. The
integrations are kept separate, but the generated events are mixed
The whizard.evx format has changed (incompatible), including now
the color flow information for PYTHIA fragmentation
Output files are now process-specific, except for the event file
Phase space file whizard.phs (if present) is used only as input,
program-generated phase space is now in whizard.phx
2001-07-10
Bug fix: Undefined parameters in parameters_SM_ac.f90 removed
2001-07-04
Bug fix: Compiler options for the case OMEGA is disabled
Small inconsistencies in whizard.out format fixed
2001-07-01
Workaround for missing PDFLIB dummy routines in PYTHIA library
##################################################################
2001-06-30
RELEASE: version 1.13
Default path /cern/pro/lib in configure script
2001-06-20
New fragmentation option: Interface for PYTHIA with full color flow
information, beam remnants etc.
2001-06-18
Severe bug fixed in madgraph interface: 3-gluon coupling was missing
Enabled color flow information in madgraph
2001-06-11
VAMP interface module rewritten
Revised output format: Multiple VAMP iterations count as one WHIZARD
iteration in integration passes 1 and 3
Improved message and error handling
Bug fix in VAMP: handle exceptional cases in rebinning_weights
2001-05-31
new parameters for grid adaptation: accuracy_goal and efficiency_goal
##################################################################
2001-05-29
RELEASE: version 1.12
bug fixes (compilation problems): deleted/modified unused functions
2001-05-16
diagram selection improved and documented
2001-05-06
allow for disabling packages during configuration
2001-05-03
slight changes in whizard.out format; manual extended
##################################################################
2001-04-20
RELEASE: version 1.11
fixed some configuration and compilation problems (PDFLIB etc.)
2001-04-18
linked PDFLIB: support for quark/gluon structure functions
2001-04-05
parameter interface written by PERL script
SM_ac model file: fixed error in continuation line
##################################################################
2001-03-27
RELEASE: version 1.10
reorganized the modules as libraries
linked PYTHIA: support for parton fragmentation
2000-12-14
fixed some configuration problems (if noweb etc. are absent)
##################################################################
2000-12-01
RELEASE of first public version: version 1.00beta
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