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README.txt 2013-05-14 6.6 kB 11 weekly downloads
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getdata-0.8.4.tar.gz.sig 2013-05-14 198 Bytes 11 weekly downloads
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matlab_getdata-0.8.4.tar.gz 2013-05-14 465.9 kB 22 weekly downloads
GetData 0.8.4 is known to compile and pass the test suite on the following systems (including C++ and Fortran bindings): Linux: * x86, x86_64, ARM under (variously) Debian, Slackware, Ubuntu, RHEL MacOS X: * x86 and x86_64, using Xcode 3.2/gcc 4.2, under MacOS X Snow Leopard Cygwin: * x86_64, using gcc 4.3 Win32: * x86_64, using mingw/gcc 4.5, under MSys * X86_64, using MSVC 10 OpenBSD: * x86, using gcc 4.2 The Python bindings have been tested with Python 2.4 through Python 2.7. The IDL bindings have been tested with IDL 6.0 and IDL 7.1. The Perl bindings have been tested with Perl 5.8 through Perl 5.16. The MATLAB bindings have been tested with MATLAB R2009b and MATLAB R2012a. --------------------------------------------------------------------------- Four packages are available: * getdata-0.8.4.tar.bz2/.gz: the full source code to the library, with bindings. This package uses the GNU autotools build system, and is designed for POSIX systems (UNIX, Linux, BSD, MacOS X, Cygwin, MSys, &c.) * getdata_win-0.8.4.zip: a reduced source code package, with the CMake build system designed to be built on Microsoft Windows, either using the free MinGW compiler, or else Microsoft's Visual C++ compiler. (The full source package above can also be built using MinGW, if the MSys shell is used to run the build system.) Currently, the only bindings provided by this package are the C++ bindings, and the package lacks support for compressed dirfiles, the Legacy API, and a few other features. This build is used in native Microsoft Windows builds of kst2. * idl_getdata-0.8.4.tar.bz2/.gz: the Interactive Data Language (IDL) bindings, packaged separately with an autotools build system, designed to be built against an already installed version of GetData. Due to licensing restrictions, pre-built packages rarely come with these bindings, and this package allows end-users to add support for IDL * matlab_getdata-0.8.4.tar.bz2/.gz: the MATLAB bindings, packaged separately with an autotools build system, designed to be built against an already installed version of GetData. Due to licensing restrictions, pre-built packages rarely come with these bindings, and this package allows end-users to add support for MATLAB without having to recompile the whole GetData package. --------------------------------------------------------------------------- New in version 0.8.4rc2: Dirfile Changes: * CLARIFICATION: Inconsistant behaviour in the library, coupled with contradictory statements in the Dirfile Standards, has resulted in confusion over the meaning of the final, optional, parameter in a MPLEX definition. To be clear: this parameter is simply the expected period between successive occurances of the "count" value in the index vector. (It is used by GetData only to figure out a resonable length for the MPLEX lookback.) The following clarifications and corrections have been made to the definition of the MPLEX field type in dirfile-format(5): - The final, optional parameter has been renamed from "max" to "period". - This parameter indicates not the maximal range of the index vector, as previously stated, but the expected number of samples between successive occurances of the specified "count" value in the index vector; as before, it should be regarded as a hint, and does not place any actual restriction on the contents of the index vector. - The incorrect requirement that the "count" parameter be non-negative has been deleted. - The incorrect requirement that "count" be less than or equal to "max", if "max" is present and non-zero, has been deleted. - The meaning of an omitted or zero "period", indicating that the spacing of "count" in the index vector is unknown or non-uniform, is now explicitly stated. - Different MPLEX fields using the same index vector may specify different periods. See also the related library bug fixes below. Library Changes: * The count_max member of the gd_entry_t object has been renamed period. The corresponding dummy argument in various function prototypes has been similarly renamed. * BUG FIX: The library no longer incorrectly rejects negative count_val MPLEX parameters. Furthermore, a count_val of -1 in gd_alter_entry or gd_[m]alter_mplex calls is not a special value: it just sets count_val to -1. * BUG FIX: The library no longer incorrectly rejects MPLEX fields where count_val is greater than the period (formerly called count_max). * BUG FIX: The default MPLEX period, if none is specified, is 2*count_val + 1, not simply 2 * count_val, when count_val is greater than 5. * BUG FIX: Trying to position an I/O pointer to before sample zero with gd_seek() now properly fails. Previously it would allow it, causing bizarre things to happen later. * BUG FIX: Using gd_tell to get the I/O pointer position of a derived field with exactly two input fields (MULTIPLY, DIVIDE, MPLEX, WINDOW) now properly reports an error in the "multiposition" case (ie. when the two inputs are ultimately reading from different locations in the same RAW field). * BUG FIX: Trying to read sample zero of a gzipped RAW field the second time now works as expected. Previously, the request to reposition the I/O pointer back to zero would be ignored by the gzip framework. Reported by Alexandra Rahlin. * BUG FIX: The field code of a reference field declared in a subfragment included with affixes is no longer corrupted by spurious application of the affixes when the subfragment's metadata are (re-)written. Reported by Seth. Bindings Changes: * C++: The Entry and MplexEntry member functions CountMax and SetCountMax have been renamed to Period and SetPeriod for consistency with the changes listed above. CountMax and SetCountMax are still avaialbe as aliases, but are marked deprecated. * IDL BUG FIX: GD_ENTRY structures representing MPLEX fields are now properly interpreted. Previously, the underlying gd_entry_t object was being incorrectly initialised. * PYTHON BUG FIX: Numpy arrays returned by dirfile.getdata() are now the correct length. Previously they would always be the length requested (or the length of the dirfile, if no length was explicitly given) even if fewer samples were returned. Extra elements would contain uninitialised memory.
Source: README.txt, updated 2013-05-14