Add L-U decomposition of square matrix using Cholesky algorithm(chol)

testDoubleChol failed

13 files changed, 851 insertions, 15 deletions

diff --git a/src/configure b/src/configure
index 362d7d11..c2ebbc50 100755
--- a/src/configure
+++ b/src/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.61 for sci2cLibrary 0.1.
+# Generated by GNU Autoconf 2.61 for sci2cLibrary 0.3.
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
 # 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
@@ -726,8 +726,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='sci2cLibrary'
 PACKAGE_TARNAME='sci2clibrary'
-PACKAGE_VERSION='0.1'
-PACKAGE_STRING='sci2cLibrary 0.1'
+PACKAGE_VERSION='0.3'
+PACKAGE_STRING='sci2cLibrary 0.3'
 PACKAGE_BUGREPORT=''
 
 # Factoring default headers for most tests.
@@ -1394,7 +1394,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures sci2cLibrary 0.1 to adapt to many kinds of systems.
+\`configure' configures sci2cLibrary 0.3 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1464,7 +1464,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of sci2cLibrary 0.1:";;
+     short | recursive ) echo "Configuration of sci2cLibrary 0.3:";;
    esac
   cat <<\_ACEOF
 
@@ -1576,7 +1576,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-sci2cLibrary configure 0.1
+sci2cLibrary configure 0.3
 generated by GNU Autoconf 2.61
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1590,7 +1590,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by sci2cLibrary $as_me 0.1, which was
+It was created by sci2cLibrary $as_me 0.3, which was
 generated by GNU Autoconf 2.61.  Invocation command line was
 
   $ $0 $@
@@ -2515,7 +2515,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='sci2clibrary'
- VERSION='0.1'
+ VERSION='0.3'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -22149,7 +22149,7 @@ fi
 #operations/multiplication/Makefile
 #operations/division/Makefile
 
-ac_config_files="$ac_config_files Makefile lib/blas/Makefile lib/lapack/Makefile type/Makefile operations/Makefile operations/addition/Makefile operations/subtraction/Makefile operations/division/Makefile operations/multiplication/Makefile matrixOperations/Makefile matrixOperations/addition/Makefile matrixOperations/subtraction/Makefile matrixOperations/multiplication/Makefile matrixOperations/division/Makefile matrixOperations/cat/Makefile matrixOperations/transpose/Makefile matrixOperations/trace/Makefile matrixOperations/hilbert/Makefile matrixOperations/expm/Makefile matrixOperations/eye/Makefile matrixOperations/ones/Makefile matrixOperations/infiniteNorm/Makefile matrixOperations/inversion/Makefile matrixOperations/jmat/Makefile implicitList/Makefile elementaryFunctions/Makefile elementaryFunctions/cos/Makefile elementaryFunctions/cosh/Makefile elementaryFunctions/acos/Makefile elementaryFunctions/acosh/Makefile elementaryFunctions/sin/Makefile elementaryFunctions/sinh/Makefile elementaryFunctions/asin/Makefile elementaryFunctions/asinh/Makefile elementaryFunctions/tan/Makefile elementaryFunctions/tanh/Makefile elementaryFunctions/atan/Makefile elementaryFunctions/atan2/Makefile elementaryFunctions/atanh/Makefile elementaryFunctions/log/Makefile elementaryFunctions/log1p/Makefile elementaryFunctions/log10/Makefile elementaryFunctions/exp/Makefile elementaryFunctions/exp10/Makefile elementaryFunctions/sqrt/Makefile elementaryFunctions/lnp1m1/Makefile elementaryFunctions/pow/Makefile auxiliaryFunctions/Makefile auxiliaryFunctions/abs/Makefile auxiliaryFunctions/find/Makefile auxiliaryFunctions/frexp/Makefile auxiliaryFunctions/isempty/Makefile auxiliaryFunctions/isnan/Makefile auxiliaryFunctions/rand/Makefile auxiliaryFunctions/sign/Makefile auxiliaryFunctions/size/Makefile auxiliaryFunctions/length/Makefile auxiliaryFunctions/type/Makefile auxiliaryFunctions/pythag/Makefile auxiliaryFunctions/conj/Makefile statisticsFunctions/Makefile statisticsFunctions/mean/Makefile statisticsFunctions/sum/Makefile statisticsFunctions/variance/Makefile string/Makefile string/disp/Makefile string/string/Makefile signalProcessing/Makefile signalProcessing/fft/Makefile signalProcessing/ifft/Makefile signalProcessing/levin/Makefile signalProcessing/conv/Makefile"
+ac_config_files="$ac_config_files Makefile lib/blas/Makefile lib/lapack/Makefile type/Makefile operations/Makefile operations/addition/Makefile operations/subtraction/Makefile operations/division/Makefile operations/multiplication/Makefile matrixOperations/Makefile matrixOperations/addition/Makefile matrixOperations/subtraction/Makefile matrixOperations/multiplication/Makefile matrixOperations/division/Makefile matrixOperations/cat/Makefile matrixOperations/transpose/Makefile matrixOperations/trace/Makefile matrixOperations/hilbert/Makefile matrixOperations/expm/Makefile matrixOperations/eye/Makefile matrixOperations/ones/Makefile matrixOperations/infiniteNorm/Makefile matrixOperations/inversion/Makefile matrixOperations/jmat/Makefile matrixOperations/chol/Makefile implicitList/Makefile elementaryFunctions/Makefile elementaryFunctions/cos/Makefile elementaryFunctions/cosh/Makefile elementaryFunctions/acos/Makefile elementaryFunctions/acosh/Makefile elementaryFunctions/sin/Makefile elementaryFunctions/sinh/Makefile elementaryFunctions/asin/Makefile elementaryFunctions/asinh/Makefile elementaryFunctions/tan/Makefile elementaryFunctions/tanh/Makefile elementaryFunctions/atan/Makefile elementaryFunctions/atan2/Makefile elementaryFunctions/atanh/Makefile elementaryFunctions/log/Makefile elementaryFunctions/log1p/Makefile elementaryFunctions/log10/Makefile elementaryFunctions/exp/Makefile elementaryFunctions/exp10/Makefile elementaryFunctions/sqrt/Makefile elementaryFunctions/lnp1m1/Makefile elementaryFunctions/pow/Makefile auxiliaryFunctions/Makefile auxiliaryFunctions/abs/Makefile auxiliaryFunctions/find/Makefile auxiliaryFunctions/frexp/Makefile auxiliaryFunctions/isempty/Makefile auxiliaryFunctions/isnan/Makefile auxiliaryFunctions/rand/Makefile auxiliaryFunctions/sign/Makefile auxiliaryFunctions/size/Makefile auxiliaryFunctions/length/Makefile auxiliaryFunctions/type/Makefile auxiliaryFunctions/pythag/Makefile auxiliaryFunctions/conj/Makefile statisticsFunctions/Makefile statisticsFunctions/mean/Makefile statisticsFunctions/sum/Makefile statisticsFunctions/variance/Makefile string/Makefile string/disp/Makefile string/string/Makefile signalProcessing/Makefile signalProcessing/fft/Makefile signalProcessing/ifft/Makefile signalProcessing/levin/Makefile signalProcessing/conv/Makefile signalProcessing/conv2d/Makefile"
 
 
 
@@ -22591,7 +22591,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by sci2cLibrary $as_me 0.1, which was
+This file was extended by sci2cLibrary $as_me 0.3, which was
 generated by GNU Autoconf 2.61.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -22644,7 +22644,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
-sci2cLibrary config.status 0.1
+sci2cLibrary config.status 0.3
 configured by $0, generated by GNU Autoconf 2.61,
   with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
@@ -22784,6 +22784,7 @@ do
     "matrixOperations/infiniteNorm/Makefile") CONFIG_FILES="$CONFIG_FILES matrixOperations/infiniteNorm/Makefile" ;;
     "matrixOperations/inversion/Makefile") CONFIG_FILES="$CONFIG_FILES matrixOperations/inversion/Makefile" ;;
     "matrixOperations/jmat/Makefile") CONFIG_FILES="$CONFIG_FILES matrixOperations/jmat/Makefile" ;;
+    "matrixOperations/chol/Makefile") CONFIG_FILES="$CONFIG_FILES matrixOperations/chol/Makefile" ;;
     "implicitList/Makefile") CONFIG_FILES="$CONFIG_FILES implicitList/Makefile" ;;
     "elementaryFunctions/Makefile") CONFIG_FILES="$CONFIG_FILES elementaryFunctions/Makefile" ;;
     "elementaryFunctions/cos/Makefile") CONFIG_FILES="$CONFIG_FILES elementaryFunctions/cos/Makefile" ;;
@@ -22832,6 +22833,7 @@ do
     "signalProcessing/ifft/Makefile") CONFIG_FILES="$CONFIG_FILES signalProcessing/ifft/Makefile" ;;
     "signalProcessing/levin/Makefile") CONFIG_FILES="$CONFIG_FILES signalProcessing/levin/Makefile" ;;
     "signalProcessing/conv/Makefile") CONFIG_FILES="$CONFIG_FILES signalProcessing/conv/Makefile" ;;
+    "signalProcessing/conv2d/Makefile") CONFIG_FILES="$CONFIG_FILES signalProcessing/conv2d/Makefile" ;;
 
   *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
 echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
diff --git a/src/configure.ac b/src/configure.ac
index a4164607..8c4bbb04 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -180,6 +180,7 @@ matrixOperations/ones/Makefile
 matrixOperations/infiniteNorm/Makefile
 matrixOperations/inversion/Makefile
 matrixOperations/jmat/Makefile
+matrixOperations/chol/Makefile
 implicitList/Makefile
 elementaryFunctions/Makefile
 elementaryFunctions/cos/Makefile
@@ -228,6 +229,7 @@ signalProcessing/fft/Makefile
 signalProcessing/ifft/Makefile
 signalProcessing/levin/Makefile
 signalProcessing/conv/Makefile
+signalProcessing/conv2d/Makefile
 ])
 
 
diff --git a/src/includes/lapack.h b/src/includes/lapack.h
index 30cb731f..c32e0dac 100644
--- a/src/includes/lapack.h
+++ b/src/includes/lapack.h
@@ -142,4 +142,7 @@ extern  int     C2F(idamax)() ;/* could be transcribe easaly in c */
 extern  int     C2F(daxpy) () ;/* could be transcribe easaly in c */
 extern  int     C2F(dscal) () ;/* could be transcribe easaly in c */
 extern  int     C2F(dasum) () ;/* could be transcribe easaly in c */
+
+extern int C2F(zgees)();
+extern int C2F(dpotrf)();
 #endif /* !__LAPACK_H__ */
diff --git a/src/matrixOperations/Makefile.am b/src/matrixOperations/Makefile.am
index d32fc96d..1e5eace5 100644
--- a/src/matrixOperations/Makefile.am
+++ b/src/matrixOperations/Makefile.am
@@ -23,7 +23,8 @@ SUBDIRS= 	addition \
 		transpose \
 		ones \
 		jmat \
- 		inversion
+ 		inversion\
+ 		chol
 
 
 
diff --git a/src/matrixOperations/Makefile.in b/src/matrixOperations/Makefile.in
index 20d1e2a9..6a66a3bd 100644
--- a/src/matrixOperations/Makefile.in
+++ b/src/matrixOperations/Makefile.in
@@ -178,7 +178,8 @@ SUBDIRS = addition \
 		transpose \
 		ones \
 		jmat \
- 		inversion
+ 		inversion\
+ 		chol
 
 all: all-recursive
 
diff --git a/src/matrixOperations/chol/Makefile.am b/src/matrixOperations/chol/Makefile.am
new file mode 100644
index 00000000..3207be84
--- /dev/null
+++ b/src/matrixOperations/chol/Makefile.am
@@ -0,0 +1,61 @@
+##
+##  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+##  Copyright (C) 2006-2008 - INRIA - Bruno JOFRET
+##
+##  This file must be used under the terms of the CeCILL.
+##  This source file is licensed as described in the file COPYING, which
+##  you should have received as part of this distribution.  The terms
+##  are also available at
+##  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+##
+##
+
+libMatrixChol_la_CFLAGS =	-I $(top_builddir)/type \
+				-I .\
+				-I $(top_builddir)/matrixOperations/includes \
+				-I $(top_builddir)/elementaryFunctions/includes
+
+instdir = $(top_builddir)/lib
+
+pkglib_LTLIBRARIES = libMatrixChol.la
+
+HEAD = ../includes/chol.h
+
+libMatrixChol_la_SOURCES = 	$(HEAD) \
+					dchols.c \
+					dchola.c
+					
+					
+############					
+##  CHECK			
+############
+
+
+check_PROGRAMS = 	testDoubleChol
+
+check_LDADD =		$(top_builddir)/type/libDoubleComplex.la \
+			$(top_builddir)/type/libFloatComplex.la \
+			$(top_builddir)/lib/lapack/libscilapack.la \
+			$(top_builddir)/elementaryFunctions/sqrt/libSqrt.la \
+			$(top_builddir)/auxiliaryFunctions/abs/libAbs.la \
+			$(top_builddir)/auxiliaryFunctions/pythag/libPythag.la \
+			$(top_builddir)/operations/addition/libAddition.la \
+			$(top_builddir)/operations/multiplication/libMultiplication.la \
+			libMatrixChol.la
+
+check_INCLUDES =	-I $(top_builddir)/type \
+			-I .\
+			-I $(top_builddir)/matrixOperations/includes \
+			-I $(top_builddir)/elementaryFunctions/includes
+
+testDoubleChol_SOURCES = testDoubleChol.c
+testDoubleChol_LDADD = $(check_LDADD)
+testDoubleChol_CFLAGS = $(check_INCLUDES)
+
+
+
+TESTS =		testDoubleChol
+
+		
+		
+		
diff --git a/src/matrixOperations/chol/Makefile.in b/src/matrixOperations/chol/Makefile.in
new file mode 100644
index 00000000..5a1a9dd9
--- /dev/null
+++ b/src/matrixOperations/chol/Makefile.in
@@ -0,0 +1,621 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+check_PROGRAMS = testDoubleChol$(EXEEXT)
+TESTS = testDoubleChol$(EXEEXT)
+subdir = matrixOperations/chol
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/includes/machine.h
+CONFIG_CLEAN_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(pkglibdir)"
+pkglibLTLIBRARIES_INSTALL = $(INSTALL)
+LTLIBRARIES = $(pkglib_LTLIBRARIES)
+libMatrixChol_la_LIBADD =
+am__objects_1 =
+am_libMatrixChol_la_OBJECTS = $(am__objects_1) \
+	libMatrixChol_la-dchols.lo libMatrixChol_la-dchola.lo
+libMatrixChol_la_OBJECTS = $(am_libMatrixChol_la_OBJECTS)
+libMatrixChol_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(libMatrixChol_la_CFLAGS) \
+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+am_testDoubleChol_OBJECTS = testDoubleChol-testDoubleChol.$(OBJEXT)
+testDoubleChol_OBJECTS = $(am_testDoubleChol_OBJECTS)
+testDoubleChol_DEPENDENCIES = $(check_LDADD)
+testDoubleChol_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(testDoubleChol_CFLAGS) \
+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/includes
+depcomp = $(SHELL) $(top_srcdir)/config/depcomp
+am__depfiles_maybe = depfiles
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+SOURCES = $(libMatrixChol_la_SOURCES) $(testDoubleChol_SOURCES)
+DIST_SOURCES = $(libMatrixChol_la_SOURCES) $(testDoubleChol_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMTAR = @AMTAR@
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+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+F77 = @F77@
+FFLAGS = @FFLAGS@
+GREP = @GREP@
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+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
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+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_F77 = @ac_ct_F77@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
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+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
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+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
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+psdir = @psdir@
+sbindir = @sbindir@
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+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+libMatrixChol_la_CFLAGS = -I $(top_builddir)/type \
+				-I .\
+				-I $(top_builddir)/matrixOperations/includes \
+				-I $(top_builddir)/elementaryFunctions/includes
+
+instdir = $(top_builddir)/lib
+pkglib_LTLIBRARIES = libMatrixChol.la
+HEAD = ../includes/chol.h
+libMatrixChol_la_SOURCES = $(HEAD) \
+					dchols.c \
+					dchola.c
+
+check_LDADD = $(top_builddir)/type/libDoubleComplex.la \
+			$(top_builddir)/type/libFloatComplex.la \
+			$(top_builddir)/lib/lapack/libscilapack.la \
+			$(top_builddir)/elementaryFunctions/sqrt/libSqrt.la \
+			$(top_builddir)/auxiliaryFunctions/abs/libAbs.la \
+			$(top_builddir)/auxiliaryFunctions/pythag/libPythag.la \
+			$(top_builddir)/operations/addition/libAddition.la \
+			$(top_builddir)/operations/multiplication/libMultiplication.la \
+			libMatrixChol.la
+
+check_INCLUDES = -I $(top_builddir)/type \
+			-I .\
+			-I $(top_builddir)/matrixOperations/includes \
+			-I $(top_builddir)/elementaryFunctions/includes
+
+testDoubleChol_SOURCES = testDoubleChol.c
+testDoubleChol_LDADD = $(check_LDADD)
+testDoubleChol_CFLAGS = $(check_INCLUDES)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  matrixOperations/chol/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign  matrixOperations/chol/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
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diff --git a/src/matrixOperations/chol/dchola.c b/src/matrixOperations/chol/dchola.c
new file mode 100644
index 00000000..d9e226a0
--- /dev/null
+++ b/src/matrixOperations/chol/dchola.c
@@ -0,0 +1,34 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+
+
+#include "chol.h"
+#include <malloc.h>
+#include <stdio.h>
+
+void dchola(double * in, int size, double *U){
+	/* param in : input matrix (square matrix)
+	   param size : number of rows or columns
+	   param U : output upper triangular matrix
+	*/
+	double* tmp;
+	int i;
+	tmp=malloc((unsigned int)size*sizeof(double));
+	for (i=0;i<size*size;i++) tmp[i]=in[i];
+	printf("copy\n");
+	C2F(dpotrf)('U',size,in,size,0);
+	printf("lapack\n");
+	for (i=0;i<size*size;i++) U[i]=in[i];
+	printf("copy2\n");
+	
+}
diff --git a/src/matrixOperations/chol/dchols.c b/src/matrixOperations/chol/dchols.c
new file mode 100644
index 00000000..bfdb6469
--- /dev/null
+++ b/src/matrixOperations/chol/dchols.c
@@ -0,0 +1,22 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+
+
+#include "chol.h"
+#include "sqrt.h"
+#include "lapack.h"
+#include <stdio.h>
+
+double dchols(double in){
+	return dsqrts(in);	
+}
diff --git a/src/matrixOperations/chol/testDoubleChol.c b/src/matrixOperations/chol/testDoubleChol.c
new file mode 100644
index 00000000..63460b0e
--- /dev/null
+++ b/src/matrixOperations/chol/testDoubleChol.c
@@ -0,0 +1,47 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+ 
+ #include <assert.h>
+ #include <stdio.h>
+ #include "chol.h"
+
+static void dcholsTest(void){
+	double in=4;
+	double out;
+
+	out=dchols(in);
+	printf("result : %f\n",out);
+
+}
+
+static void dcholaTest(void){
+	double in[4]= {2,1,1,4};
+	double out[4];
+	int size=2;
+	int i;
+	
+	dchola(in,size,out);
+	for (i=0;i<4;i++) printf("indice : %d   out : %f\n",i,out[i]);
+}
+
+static int cholTest(void){
+	dcholsTest();
+	dcholaTest();
+	return 0;
+}
+
+
+int main (void){
+	assert(cholTest()==0);
+	return 0;
+}	
diff --git a/src/matrixOperations/includes/chol.h b/src/matrixOperations/includes/chol.h
new file mode 100644
index 00000000..0bca20d9
--- /dev/null
+++ b/src/matrixOperations/includes/chol.h
@@ -0,0 +1,40 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008 - INRIA - Arnaud TORSET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+ 
+ 
+#ifndef __CHOL_H__
+#define __CHOL_H__
+ 
+#include "lapack.h"
+#include "doubleComplex.h"
+#include "floatComplex.h"
+ 
+	/* 
+	chol : L-U decomposition of square matrix using Cholesky algorithm
+	   param in : input matrix (square matrix)
+	   param size : number of rows or columns
+	   param out : output matrix
+	*/ 
+	
+double dchols (double in);
+void dchola (double *in, int size, double *out);
+ /* 
+void schols (float in,  float out1);
+void schola (float *in, int size, float *out);
+ 
+void zchola (doubleComplex *in, int size, doubleComplex *out); 
+ 
+void cchola (floatComplex *in, int size, floatComplex *out); */
+
+
+#endif /* __CHOL_H__ */
+ 
diff --git a/src/signalProcessing/Makefile.am b/src/signalProcessing/Makefile.am
index 984c4788..9efcfb4f 100644
--- a/src/signalProcessing/Makefile.am
+++ b/src/signalProcessing/Makefile.am
@@ -13,4 +13,5 @@
 SUBDIRS= 	fft \
 		ifft \
 		levin \
-		conv
+		conv \
+		conv2d
diff --git a/src/signalProcessing/Makefile.in b/src/signalProcessing/Makefile.in
index f62fa7db..3ef4f110 100644
--- a/src/signalProcessing/Makefile.in
+++ b/src/signalProcessing/Makefile.in
@@ -168,7 +168,8 @@ top_srcdir = @top_srcdir@
 SUBDIRS = fft \
 		ifft \
 		levin \
-		conv
+		conv \
+		conv2d
 
 all: all-recursive