history.txt

2016/07/10 Release 2.0.1

Replaced numpy for Numeric and oldnumeric throughout, including XML file definition.

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2012/04/18 Release 2.0.0

Slimmed-down distribution on GitHub.

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2011/05/12 Release 1.4.3

New revised orbit files from Oliver Jennrich (NGO_1M_10deg_rev_synthlisa.txt and NGO_1M_closest_rev_synthlisa.txt)

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2011/05/05 Release 1.4.2

Accept generic orbit files (see makeSampledLISA in lisautils.py).

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2011/04/27 Release 1.4.1

New Lagrange-point halo-orbit analytic model (HaloAnalytic).

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2011/04/22 Release 1.4.0

First release for lisalight evaluations. Allow different armlength in EccentricInclined (in analogy to StandardRotating).

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2011/03/14 Release 1.3.7

Fixed possible NaN in lisasim-tdisignal.cpp

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2011/02/23 Release 1.3.6

Added GalacticBinary class for chirping binaries, compatible with MLDC parameters.

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2010/07/05 Release 1.3.5

Important bugfix in assigning noises to lasers in TDInoise

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2008/08/28 Release 1.3.4h, more bugfixes

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2007/04/09--05/08  Release 1.3.4a-g, small improvements

Updated and reinstated example files mentioned in manual.pdf. They are now
in examples/manual-examples, together with their gnuplot scripts.

Added BandIntFilter to generate 1/f^3 noise for stochastic background.

Changed setup.py to install c includes within python packages (they're in
the same directory as __init__.py, something like $HOME/lib/python2.4/site-packages/synthlisa).

Changed bin/sdist-here.sh not to include pesky xattr files on OS X.

Added python access to CircularRotating variable-L constructor

Added and then reverted this change: --make-clib is now the default behavior for setup.py; to disable it use --make-clib=False. Distutils has problems with clibs (does not accept extra cflags, will link them by default to the Python extension) that make such a change unwise now.

Added hack in setup.py to handle Leopard stock 2.5.1 Python handling of get_python_lib

Fixed bug in TDInoise constructor (with lists of user-specified noise objects), which was assigning the same laser noises twice.

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2006/12/17  Release 1.3.3, MLDC Challenge 2 version

Removed lisasim/GSL/rng_test.c from archive and distribution (just a test
program).

Fixed Python refcount for Noise sequence in lisasim/lisasim-typemaps.i.

Added derivative interpolator to getInterpolator in lisasim/lisasim-signal.cpp and
lisasim/lisasim-swig.i; tweaked accurate version of InterpolatedSignal calls in
lisasim/lisasim-signal.cpp.

Added CTRL-C exception handling to fastgetobsc in lisasim/lisasim-swig.i and
lisasim/lisasim-tdi.cpp (and also lisasim/lisasim-except.h).

Added SampledTDIaccurate in lisasim/lisasim-tdi.[cpp|h] and lisasim/lisasim-swig.i.

Look for positions.txt in site-packages-relative location in lisasim/lisautils.py.

Added C-library building (--make-clib) and better handling of numpy location to
setup.py.

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2006/11/04  Release 1.3.2, numpy version

In setup.py, added build and install of static C library (thanks to Duncan
Brown); currently the final location is within lib/python2.4/site-packages,
and it may be nice to bring it up to lib.

In default-install.py, added capability to specify --prefix. In setup.py, added
synthlisa-recompile.sh script.

For CacheLISA, fixed caching mechanism; added putp caching; moved most of code
to cpp file (lisasim-retard.cpp). In lisasim-lisa.(cpp|h), added hook (putp(LISA
*anotherlisa,Vector &p, int craft, double t)) for CacheLISA caching of putp
while allowing physlisa mechanism. In lisasim-tdisignal.cpp, optimized calls to
armlength (through retard), putn, and putp. Harmonized with CacheLISA
optimization. Some LISA-intensive tests report 20% improvement in speed. With
CacheLISA, armlength and putp are called the minimum number of times necessary.

Added TDIobject destructors (they do nothing) to lisasim-tdi.h, and defs to call
them in lisasim-swig.i.

Improved detrending in lisautils.py with quick least-squares routine.

Added Phi method in lisasim-tdisignal.(cpp|h), for debugging. Might go away at
some point.

Added ApproxLISA interface to CircularRotating and EccentricInclined. Modified
lisasim-swig.i and lisasim-lisa.(cpp|h).

Implemented fastgetobs, written directly in C++, which takes TDIobject
functors. These are returned by empty calls such as TDI.X(). Modified
lisautils.py, lisasim-swig.i, lisasim-typemaps.i, lisasim-tdi.h,
lisasim-tdi.cpp.

Modified MANIFEST.in to distribute numpy, and healpix only in contrib
directory. Switched default-install.py to unpack and install numpy rather
than Numeric. Same for bin/recompile-here.sh

Changed setup.py to use numpy, to correctly build pure-C plugins (in
contrib), including healpix, to build setdir scripts in a temporary
directory rather than in lisasim.

Changed examples/plotxml.py for numpy. Changed lisasim/lisapar.py to
numpy. Changed lisautils.py to numpy (some calls, interpolation now
done by hand for SN.) Changed lisasim-typemaps.i for numpy typemaps.

Healpix is now a plugin, and is not included in the main CVS anymore.

Improved plugin architecture, moving XML definitions to .i files in contrib.
Modified lisaXML accordingly. Changed lisasim/__init.py__ to import lisawp,
lisawp_emri (MLDC), and lisarigid (experimental).

Added some notes to README.txt on the installation and use of matplotlib.

========================================================================

2006/08/12  Release 1.3.1b, second correction to official challenge version

Changed SLInclination to ThetaInclination; updated XML definitions for BBH.

========================================================================

2006/08/12  Release 1.3.1a, correction to official challenge version

Added appending to writebinary in lisasim/lisautils.py.

Added direct yijk and zijk access methods to lisasim/lisasim-tdi.h;
modified lisasim/lisasim-swig.i accordingly.

Added FileSignalSource for buffered file input to
lisasim/lisasim-signal.cpp lisasim/lisasim-signal.h. Modified
lisasim/lisasim-swig.i interface accordingly, and added possibility of
specifying a file (rather than an array) to the SampledSignal Python
constructor.

Added ZeroLISA (null arms) to lisasim/lisasim-lisa.h (for JPL's Frequency
Correction Project).

Added ExceptionFileError to lisasim/lisasim-except.h.

Added lisawp_emri (from Stas) to contrib directory.

Added XML support files to the data directory (modified setup.py and
MANIFEST.in accordingly).

========================================================================

2006/05/21  Release 1.3.1, official challenge version

In lisaxml.py, fixed some parameter names for EMRIs.

In lisaxml.py, fixed naming of "Second" (from "s"); added second
xml-stylesheet for lisaXML; on XML load, remove DTD parsing if it fails to
be loaded (for off-line use...)

In setup.py, disallow compilation of packages requiring GSL
if --with-gsl is not provided.

In lisaxml.py, lots of work to allow for input/output of Noise and TDInoise
objects.

In lisautils.py, added choice of windows.

In lisasim-tdi.[h|cpp], added SampledTDI.

In lisasim-swig.i, added global seed choice mechanism for PowerLawNoise
objects; added SumSignal; added RedAcceleration (exp=-4.0) pseudorandom
noise; fixed XML treatment for interpolated signals.

In lisasim-signal.cpp, removed some warnings for early and late access
to sampled signals, fixed (temporarily) a bug in the choice of
prebuffering.

In lisasim-signal.h, added SumSignal class to sum two noises (e.g.,
WhiteAcceleration and RedAcceleration PowerLawNoises).

In convertunit.py, added RedAcceleration spectral type (for
PowerLawNoise with exponent -4.0), fixed some conversion rules.

In default-install.py, added whitespace escaping in local directory.

In lisasim-swig.i, fixed XML introspection of SampledWave to allow
for XML output.

In lisaxml.y, worked to allow output of SampledWave; the new binary-file
writing mechanism (through outputrxp) will eventually replace the
present facility. Also moved reference to standard DTD and XSL to
www.vallis.org.

========================================================================

2005/05/31  Release 1.3.0, beta version

Worked substantially on lisaxml.py to allow for read/write of lisaXML
files.

Added differentiating Lagrange interpolator; fixed bug in Signal Filter
for IIR filters; modified SampledNoise to return zeros (with warning) at
end of arrays.

Modified CacheLengthLISA to use derivative-interpolator to get
armlengths; addition of LISA.putv (LISA s/c coordinate velocities) and
LISA.dotarmlength.

In the SWIG interface, new "intelligent" Python constructor for TDInoise
(will look at arguments and understand what's being given, and also
keep Python references to allocated objects).

In lisasim/lisasim-tdinoise, Fixed (perhaps) noise seeds; used more
precise expressions (hopefully) for Doppler corrections to lasers.

In lisautils, corrected angle conversions in healpix calls; added more
healpix calls; modified stdSampledLISA to return Cached object that uses
differentiating interpolator.

Modified setup.py to allow compilation of Stas' lisawp components (added
to contrib directory).

========================================================================

2005/3/10  Release 1.2.9, beta version

Reorganized distribution directory.

Modified default-install.py to do selected installs only, including
MMPI. I'm currently distributing a modified version of MMPI. Also,
added mpi to the PYTHONPATH created in setup.py.

Added first serious version of LISApar (lisapar.py), using MMPI; added
time and t as TDI observables

Fixed sys/time.h include in lisasim-TDIsignal.h (needed in Linux).

Added time series plotting to plotxml.py; but XML needs to have column
for time.

Added tagging (from CVS tags) to XML output (Comment field). Included
.py files among the tagged files.

Removed lisasim-swig_wrap.h from the "depends" file in setup.py.
Otherwise a simple change to lisasim-swig.i triggers recompilation of
all cpp files.

Experimental: started adding dumpXML method to TDInoise and Noise;
problem with having the correct inherited version of Noise being called
might be solved by moving creation of "standard" Noise objects to the
Python layer. Should also keep a C++ version though in case anybody
wants to use the library directly.

Added null noise object NoSignal to lisasim-signal.h

Added methods to return spacecraft velocities (putv) and armlength rates
of change (dotarmlength) to the base class LISA in lisasim-lisa.[h|cpp].
So far the derivatives are taken with a simple 1-s finite-difference
expression.

Experimental: added typemap for retrieving Noise object from C++ Noise*
pointer; unfortunately, the resulting SWIG pointer does not have any
derived-class information. Experimented with dynamic casting,
unsuccessfully. It seems that the best approach would be to have
object-allocating constructors written directly in Python.

plotXML now tries to open the graphics files it produces by calling
"open" on OS X and "gv" on Linux.

Added TDIdoppler (TDIaccurate with 1 - Ldot multipliers) and TDIcarrier
(returns only laser carrier frequency differences) to lisasim-tdinoise.[h|cpp].

========================================================================

2005/1/18  Release 1.2.8, beta version

Added experimental lisaXML (XSIL-BFD) output in lisaxml.py. Some use of
it (and also of PyX plotting) is made in examples/test-tdiequal.py.
Modified __init__.py to load lisaxml.py.

========================================================================

2005/12/21 Release 1.2.7, beta version

Moved the main PyLISA code to lisasim-lisa.cpp from lisasim-lisa.h.

Added AllPyLISA object, which takes pointers to two Python functions:
the first is analog to putp(sc,time), and should return the three
spacecraft positions (in seconds, given as tuples); the second is
analog to armlength(link,time), and should return the armlengths in
seconds. If only one function is given, the armlengths will be
determined from the s/c positions using the exact light-propagation
equation (solved in the base LISA class).

Added a function setguessL to the base LISA to initialize the initial
light-propagation--equation guesses from the positions of the
spacecraft (this was needed by AllPyLISA).

Added TDIalpha, TDIbeta, TDIgamma functionoid (w/Signal interface) to
lisasim-tdi.h.

Added default parameters for standard TDInoise constructor. Documented
constructor in lisasim-swig.i.

Added ResampledSignalSource and CachedSignal (in analogy to
CacheLengthLISA) to lisasim-signal.(h|cpp). The idea is that an
expensive function (such as the TDI functionoids) is sampled at
regular intervals, and interpolation is used to get values in between.

========================================================================

2005/12/2 Release 1.2.6, beta version

Added SampledLISA to lisasim-lisa and lisasim-swig to support sampled
spacecraft positions; added file of positions from Ted Sweetser's
simulations to distribution, and patched lisautils.py to load it and
massage it into useful form.

Fixed bad initialization bug in lisasim-signal.cpp that broke
LagrangeInterpolator.

Patched lisasim-typemaps.i to accept 2D Numeric arrays and flatten them
for use in SampledLISA.

Added putep and putec static methods to Wave to access basic
polarization tensors.

Added SampleCacheLISA() to speed up armlength determination of
SampledLISA (and possibly other LISA classes).

Inlined many Vector methods.

Cleaned up lisasim-lisa.cpp somewhat, with standard link-index and
s/c-index checking functions. Fixed conceptual (but ineffectual)
sqrt(negative) bug in LISA::armlength().

Recoded LagrangeInterpolator (NewLagrangeInterpolator) to increase
efficiency. Gains seem nominal.

Added mechanism to set the seed of pseudorandom number generators
globally. This should ensure the reproducibility of results if the
initial seed is captured with WhiteNoiseSource.getglobalseed(). If the
seed is not set explicitly, it is obtained from the current time (in
microseconds); the global seed is increased by one after creating each new
WhiteNoiseSource object.

Added TAUS pseudorandom engine from GSL 1.4. Should be faster than
ranlux. Switched to using TAUS in WhiteNoiseSource.

========================================================================

2005/11/10 Release 1.2.5, beta version

Removed some old putp and putn -> double[] calls in lisasim-lisa and
lisasim-retard.

Added some exception trapping:
- invalid spacecraft index in EccentricInclined::settime
- invalid hash in CacheLISA::retard
- time OutOfBounds in TDInoise::y and TDInoise::z

Fixed indentation:
- lisasim-lisa.h
- lisasim-retard.h

New Signal/Noise architecture in lisasim-signal.cpp and lisasim-signal.h

Changed main Noise (now Signal) method to value():
- locking noise objects in lisasim-tdinoise.cpp

Changed standard Noise objects in lisasim-TDInoise.* to PowerLawNoise
(lisasim-signal); NoiseWave and SampledWave objects in lisasim-wave.*

Added SWIG typecast for Numeric array with size

Added some error trapping to getobsc in lisautils

Simplified SWIG interface, added exception trapping, converted to new
Noise/Signal interface

Added CVS Ids:
- most source and header files

Added SineGaussian wave type.

========================================================================

2005/11/1 Release 1.2.4, beta version

Changed dec and asc to beta (= elat) and lambda (= elon) everywhere.

Removed "special" LISAs (development and testing only): NoisyLISA,
NominalLISA, LinearLISA, MeasureLISA. Moved to extra (not
distributed).

Fixed some "delete"s that should have been "delete []".

Added GaussianPulse Wave object, with optimized "inscope"
functionality implemented in TDIsignal.

Continued improving online documentation (added docstring for several
Wave objects, removed duplicate docstring for constructors and
destructors).

Simplified interface: moved some proprietary LISA functionality to
extra.

Removed direct Python access to k and pp, pc in Wave, added putk. pp
and pc can be gotten using a specially-designed PyWave.

Removed InterpolateMemory (but defined backward-compatible Python
factory based on NoiseWave). InterpolateMemory is replaced by
SampledWave, defined by a Python factory.

========================================================================

2005/07/21 Release 1.2.3, beta version

Added class-variable access to some Vector and Tensor objects.

Removed AnyLISA (generic armlength class based on SWIG directors).

Created WaveObject, WaveArray, to allow multiple waves (at different
positions) to be added together within TDIsignal.

Restructured package and module names. Now lisautils imports Numeric
and FFT explicitly; added master package synthlisa. Changed example
files accordingly.

Added swigged Healpix C functions in package "healpix".

Added NoiseWave to get hp and hc from Noise objects. Constructors
allow setting the Noise objects from simple spectral densities (with
the exponent syntax), and from sampled time series. This supercedes
InterpolateMemory as the preferred buffered wave, since it allows
filtering and higher-order interpolation of hp and hc.

Fixed bug (perhaps partially) in the range checks for sampled noise.

Added docstring documentation for LISA classes in SWIG interface;
cleaned up some method definitions, prepared to remove some LISA
derived classes.

In lisasim-lisa.(cpp|h), cleaned up constructor calls, fixed bug in
handling of ccw n[i] in OriginalLISA, removed stdlisa(), replaced by
CircularRotating().

========================================================================

2005/07/06 Release 1.2.2, beta version

Added SWIG typemap to return three-vectors (class Vector) as Python
tuples, and three-tensors (class Tensor) as Python tuples-of-tuples;
correspondingly, added functions putp(craft,time) and putn(craft,time)
for all the LISA classes, and putwave for all the Wave classes. [Note
that these take first arguments Vector& and Tensor& in C++, not needed
in Python where we can return tuples.]

Also, exposed Wave.hp(t) and Wave.hc(t) to Python.

========================================================================

2005/05/19 Release 1.2.1, beta version

Fixed persistence problem for LISA/Noise/Wave objects passed to TDI
constructors. Using SWIG's %feature("addtofunc") to inject Python code
(which saves arguments) into Python shadow class constructors.

========================================================================

2005/05/06 Release 1.2, beta version
Current state of the art, after clearance; sent to various people on
05/09

========================================================================

Changes from 1.0 to 1.2 include...

2004/07/28 1.2 lisasim-retard.h
Second version of CacheLISA, based on home-grown hashed map. Better.

2004/07/28 1.1 lisasim-retard.h
First version of CacheLISA, based on STL map; not very fast

2004/07/28 1.4 lisautils.py
Made getobsc print final speed report

2004/07/28 1.10 lisasim.h
Added lisasim-retard.h include

2004/07/28 1.6 lisasim-tdisignal.cpp
Fixed nominal-physical LISA exchange bug. Changed from retardtime
mechanism to LISA retard calls

2004/07/28 1.15 lisasim-tdinoise.cpp
Fixed nominal-physical LISA exchange bug. Changed from retardtime
mechanism to LISA retard calls

2004/07/28 1.11 lisasim-tdi.cpp
Moved retardtime mechanism to base LISA class methods, added zeta1,
zeta2, zeta3 definitions

2004/07/28 1.8 lisasim-tdi.h
Moved retardtime mechanism to base LISA class methods

2004/07/28 1.19 lisasim-swig.i
Added CacheLISA interface; added zeta1, zeta2, zeta3 to TDI interface

2004/07/28 1.16 lisasim-lisa.h
Moved retardtime mechanism to base LISA class methods, to facilitate
overloading in a CacheLISA class.

2004/07/28 1.17 lisasim-lisa.cpp
Moved retardtime mechanism to base LISA class methods, to facilitate
overloading in a CacheLISA class. Corrected buffering of noise in
NoisyLISA to 8 lighttimes.

2004/07/28 1.19 Makefile
Corrected lisasim-swig_wrap.cxx dependency on headers; added
lisasim-retard.h to headers

2004/07/26 1.18 lisasim-swig.i
Revised public interface, added public method noise to Noise

2004/07/26 1.3 lisautils.py
Added nonoverlapping-windowed periodogram, zerotime option for getobs,
fixed bug in triangular window

2004/07/14 Release 1.0
This history starts here.