---+ !OpenGrm NGram README ---+++ !OpenGrm NGram - Release 1.3 The !OpenGrm NGram library is used for making and modifying n-gram language models encoded as weighted finite-state transducers (FSTs). It makes use of functionality in the [[http://www.openfst.org][OpenFst]] library to create, access and manipulate n-gram models. ---++++ REQUIREMENTS: This version is known to work under Linux using g++ (≥ 4.6) and !MacOS X using !XCode 5. Expected to work wherever adequate [[http://www.opengroup.org/onlinepubs/9699919799][POSIX]] (=dlopen=, =ssize_t=, =basename=), [[http://www.open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf][c99]] (=snprintf=, =strtoll=, =<stdint.h>=), and [[http://www.stroustrup.com/C++11FAQ.html][C++11]] (=<ordered_set>=, =<ordered_map>=, =<forward_list>=) support are available. T It assumes you have installed !OpenFst ([[http://www.openfst.org][www.openfst.org]]) 1.6.6 or higher and have configured it with it with the =--enable-far= flag. ---++++ INSTALLATION: Follow the generic GNU build system instructions in [[NGramDistInstall][./INSTALL]]. We recommend configuring with =--enable-static=no= for faster compiles. Configuring with =--enable-bin=no= gives very fast compiles, but excludes the command line utilities. Compiling with =-Wall -Wno-sign-compare= under g++ should give no warnings from this library. NOTE: In some versions of !MacOS X we have noticed a problem with =configure= whereby it fails to find =fst.h=. If this occurs, try configuring as follows: =CPPFLAGS=-I/usr/local/include LDFLAGS=-L/usr/local/lib ./configure= ---++++USAGE: Assuming you've installed under the default =/usr/local=, the GRM binaries are found on =/usr/local/bin=. Headers will be in =/usr/local/include/ngram=, and libraries in =/usr/local/lib=. To use in your own programs you will need to include <ngram/ngram.h>. Compile with '-I /usr/local/include' and link against =/usr/local/lib/libfst.so=, =/usr/local/lib/fst/libfstfar.so= and =/usr/local/lib/libngram.so=. Set your =LD_LIBRARY_PATH= (or equivalent) to contain =/usr/local/lib=. The linking is, by default, dynamic so that the Fst and Arc type DSO extensions can be used correctly if desired. ---++++DOCUMENTATION: See [[http://www.opengrm.org][www.opengrm.org]] for general documentation. See [[News/NGramNews][./NEWS]] for updates since the last release.
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Topic revision: r9 - 2018-01-28 - KyleGorman
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