Preparation for 1.4 release.
git-svn-id: file:///home/svnrepos/software/liblbfgs/trunk@4 ecf4c44f-38d1-4fa4-9757-a0b4dd0349fc
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naoaki
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Makefile.am
30
Makefile.am
@ -1,32 +1,10 @@
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# $Id$
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SUBDIRS = lib sample
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docdir = $(prefix)/share/doc/@PACKAGE@
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doc_DATA = README INSTALL COPYING AUTHORS ChangeLog
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liblbfgsincludedir = $(includedir)
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liblbfgsinclude_HEADERS = \
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include/lbfgs.h
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EXTRA_DIST = \
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autogen.sh
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lib_LTLIBRARIES = liblbfgs.la
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noinst_PROGRAMS = lbfgssample
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liblbfgs_la_SOURCES = \
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lib/arithmetic_ansi.h \
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lib/arithmetic_sse_double.h \
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lib/arithmetic_sse_float.h \
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lib/lbfgs.c
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liblbfgs_la_LDFLAGS = \
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-no-undefined \
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-release @VERSION@
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lbfgssample_SOURCES = \
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sample/sample.c
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lbfgssample_LDADD = ./liblbfgs.la
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AM_CFLAGS = @CFLAGS@
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INCLUDES = @INCLUDES@
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autogen.sh \
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lbfgs.sln
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@ -102,5 +102,5 @@ AC_SUBST(INCLUDES)
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dnl ------------------------------------------------------------------
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dnl Output the configure results.
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dnl ------------------------------------------------------------------
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AC_CONFIG_FILES(Makefile)
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AC_CONFIG_FILES(Makefile lib/Makefile sample/Makefile)
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AC_OUTPUT
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@ -33,9 +33,6 @@
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extern "C" {
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#endif/*__cplusplus*/
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#define USE_SSE 1
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#define __SSE2__ 1
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/*
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* The default precision of floating point values is 64bit (double).
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*/
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@ -57,7 +54,7 @@ typedef float lbfgsfloatval_t;
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typedef double lbfgsfloatval_t;
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#else
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#error "liblbfgs supports single (float; LBFGS_FLOAT = 32) or double (double; LBFGS_FLOAT=64) precision only."
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#error "libLBFGS supports single (float; LBFGS_FLOAT = 32) or double (double; LBFGS_FLOAT=64) precision only."
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#endif
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@ -341,9 +338,11 @@ In this formula, ||.|| denotes the Euclidean norm.
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* @param n The number of variables.
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* @param x The array of variables. A client program can set
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* default values for the optimization and receive the
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* optimization result through this array. The memory
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* block of this array must be aligned to 16 for liblbfgs
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* built with SSE/SSE2 optimization routine enabled.
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* optimization result through this array. This array
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* must be allocated by ::lbfgs_malloc function
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* for libLBFGS built with SSE/SSE2 optimization routine
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* enabled. The library built without SSE/SSE2
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* optimization does not have such a requirement.
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* @param ptr_fx The pointer to the variable that receives the final
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* value of the objective function for the variables.
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* This argument can be set to \c NULL if the final
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@ -393,10 +392,11 @@ void lbfgs_parameter_init(lbfgs_parameter_t *param);
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/**
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* Allocate an array for variables.
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*
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* Use this function to allocate a variable array for liblbfgs built with
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* or without SSE/SSE2 optimization routine enabled. When SSE/SSE2 routine in
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* liblbfgs is disabled, it is unnecessary to use this function; liblbfgs
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* accepts a variable array allocated by any
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* This function allocates an array of variables for the convenience of
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* ::lbfgs function; the function has a requreiemt for a variable array
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* when libLBFGS is built with SSE/SSE2 optimization routines. A user does
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* not have to use this function for libLBFGS built without SSE/SSE2
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* optimization.
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*
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* @param n The number of variables.
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*/
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@ -483,7 +483,7 @@ This library is used by:
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@section download Download
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- <a href="http://www.chokkan.org/software/dist/liblbfgs-1.3.tar.gz">Source code</a>
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- <a href="http://www.chokkan.org/software/dist/libLBFGS-1.4.tar.gz">Source code</a>
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libLBFGS is distributed under the term of the
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<a href="http://opensource.org/licenses/mit-license.php">MIT license</a>.
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@ -494,11 +494,16 @@ libLBFGS is distributed under the term of the
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::lbfgs_parameter_t::linesearch was added to choose either MoreThuente
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method (::LBFGS_LINESEARCH_MORETHUENTE) or backtracking algorithm
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(::LBFGS_LINESEARCH_BACKTRACKING).
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- Fixed a serious bug: the previous version did not compute
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psuedo-gradients properly in the line search routine. This bug might
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quit an iteration process too early when the orthant-wise L-BFGS routine
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was activated (0 < ::lbfgs_parameter_t::orthantwise_c).
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- Added configure script.
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- Fixed a bug: the previous version did not compute psuedo-gradients
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properly in the line search routines for OW-LQN. This bug might quit
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an iteration process too early when the OW-LQN routine was activated
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(0 < ::lbfgs_parameter_t::orthantwise_c).
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- Configure script for POSIX environments.
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- SSE/SSE2 optimizations with GCC.
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- New functions ::lbfgs_malloc and ::lbfgs_free to use SSE/SSE2 routines
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transparently. It is uncessary to use these functions for libLBFGS built
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without SSE/SSE2 routines; you can still use any memory allocators if
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SSE/SSE2 routines are disabled in libLBFGS.
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- Version 1.3 (2007-12-16):
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- An API change. An argument was added to lbfgs() function to receive the
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final value of the objective function. This argument can be set to
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24
lib/Makefile.am
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24
lib/Makefile.am
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# $Id$
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EXTRA_DIST = \
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lib.vcproj
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liblbfgsincludedir = $(includedir)
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liblbfgsinclude_HEADERS = \
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../include/lbfgs.h
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lib_LTLIBRARIES = liblbfgs.la
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liblbfgs_la_SOURCES = \
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arithmetic_ansi.h \
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arithmetic_sse_double.h \
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arithmetic_sse_float.h \
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../include/lbfgs.h \
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lbfgs.c
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liblbfgs_la_LDFLAGS = \
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-no-undefined \
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-release @VERSION@
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AM_CFLAGS = @CFLAGS@
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INCLUDES = @INCLUDES@
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@ -169,6 +169,7 @@ static int update_trial_interval(
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int *brackt
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);
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#if defined(USE_SSE) && (defined(__SSE__) || defined(__SSE2__))
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static int round_out_variables(int n)
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{
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n += 7;
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@ -176,6 +177,7 @@ static int round_out_variables(int n)
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n *= 8;
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return n;
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}
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#endif/*defined(USE_SSE)*/
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lbfgsfloatval_t* lbfgs_malloc(int n)
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{
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14
sample/Makefile.am
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14
sample/Makefile.am
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# $Id$
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EXTRA_DIST = \
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sample.vcproj
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noinst_PROGRAMS = sample
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sample_SOURCES = \
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sample.c
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sample_LDADD = ../lib/liblbfgs.la
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AM_CFLAGS = @CFLAGS@
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INCLUDES = @INCLUDES@
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