First commit

24 files changed, 2589 insertions, 0 deletions

diff --git a/src/c/matrixOperations/cat/Makefile.am b/src/c/matrixOperations/cat/Makefile.am
new file mode 100644
index 0000000..fd315dd
--- /dev/null
+++ b/src/c/matrixOperations/cat/Makefile.am
@@ -0,0 +1,52 @@
+##
+##  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
+##
+##
+
+libMatrixConcatenation_la_CFLAGS =	-I $(top_builddir)/src/c/type \
+					-I $(top_builddir)/src/c/matrixOperations/includes
+
+instdir = $(top_builddir)/lib
+
+pkglib_LTLIBRARIES = libMatrixConcatenation.la
+
+HEAD = ../includes/cat.h
+
+libMatrixConcatenation_la_SOURCES = 	$(HEAD) \
+					scats.c \
+					scata.c \
+					dcats.c \
+					dcata.c \
+					ccats.c \
+					ccata.c \
+					zcats.c \
+					zcata.c
+
+check_PROGRAMS = 	testFloatMatrixConcatenation \
+			testDoubleMatrixConcatenation
+
+check_LDADD =		$(top_builddir)/src/c/type/libDoubleComplex.la \
+			$(top_builddir)/src/c/type/libFloatComplex.la \
+			$(top_builddir)/src/fortran/blas/libsciblas.la \
+			libMatrixConcatenation.la
+
+check_INCLUDES =	-I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes
+
+testDoubleMatrixConcatenation_SOURCES = testDoubleMatrixConcatenation.c
+testDoubleMatrixConcatenation_LDADD = $(check_LDADD)
+testDoubleMatrixConcatenation_CFLAGS = $(check_INCLUDES)
+
+testFloatMatrixConcatenation_SOURCES = testFloatMatrixConcatenation.c
+testFloatMatrixConcatenation_LDADD = $(check_LDADD)
+testFloatMatrixConcatenation_CFLAGS = $(check_INCLUDES)
+
+TESTS =		testFloatMatrixConcatenation \
+		testDoubleMatrixConcatenation
\ No newline at end of file
diff --git a/src/c/matrixOperations/cat/Makefile.in b/src/c/matrixOperations/cat/Makefile.in
new file mode 100644
index 0000000..3e7a855
--- /dev/null
+++ b/src/c/matrixOperations/cat/Makefile.in
@@ -0,0 +1,792 @@
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(pkglibdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
+	clean-pkglibLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-pkglibLTLIBRARIES
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-pkglibLTLIBRARIES
+
+.MAKE: check-am install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-TESTS check-am clean \
+	clean-checkPROGRAMS clean-generic clean-libtool \
+	clean-pkglibLTLIBRARIES ctags distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-pkglibLTLIBRARIES install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \
+	uninstall-am uninstall-pkglibLTLIBRARIES
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/c/matrixOperations/cat/ccata.c b/src/c/matrixOperations/cat/ccata.c
new file mode 100644
index 0000000..a6ac6cf
--- /dev/null
+++ b/src/c/matrixOperations/cat/ccata.c
@@ -0,0 +1,54 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include "cat.h"
+/*
+** Emulate Scilab (from help cat) :
+** then the concatenation is done according to the rows
+**
+** A1=[1 2 3 ; 4 5 6]; A2=[7 8 9 ; 10 11 12]; y=cat(1,A1,A2) => y=[1 2 3 ; 4 5 61 ;7 8 9; 10 11 12]
+**
+*/
+
+void		crowcata(floatComplex *in1, int lines1, int columns1, floatComplex *in2, int lines2, int columns2, floatComplex* out) {
+  int i = 0;
+  int j = 0;
+  for (i = 0 ; i < columns1 && i < columns2 ; ++i)
+    {
+      for (j = 0 ; j < lines1 ; ++j)
+	{
+	  /*out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];*/
+	}
+       for (j = 0 ; j < lines2 ; ++j)
+	{
+	  out[i*(lines1 + lines2) + lines1 + j] = in2[i*lines2 + j];
+	}
+    }
+}
+
+
+/*
+** Emulate Scilab (from help cat) :
+** the concatenation is done according to the columns
+**
+** A1=[1 2 3;4 5 6]; A2=[7 8 9 ;10 11 12]; y=cat(2,A1,A2) => y=[1 2 3 7 8 9 ; 4 5 6 10 11 12]
+**
+*/
+void		ccolumncata(floatComplex *in1, int lines1, int columns1, floatComplex *in2, int lines2, int columns2, floatComplex* out) {
+  int i = 0;
+  for (i = 0 ; i < lines1 * columns1 ; ++i) {
+    out[i] = in1[i];
+  }
+  for (i = 0; i < lines2 * columns2 ; ++i) {
+    out[i + lines1 * columns1] = in2[i];
+  }
+}
diff --git a/src/c/matrixOperations/cat/ccats.c b/src/c/matrixOperations/cat/ccats.c
new file mode 100644
index 0000000..c4fab76
--- /dev/null
+++ b/src/c/matrixOperations/cat/ccats.c
@@ -0,0 +1,23 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include "cat.h"
+
+void		crowcats(floatComplex in1, floatComplex in2, floatComplex *out) {
+  out[0] = in1;
+  out[1] = in2;
+}
+
+void		ccolumncats(floatComplex in1, floatComplex in2, floatComplex *out) {
+  out[0] = in1;
+  out[1] = in2;
+}
diff --git a/src/c/matrixOperations/cat/dcata.c b/src/c/matrixOperations/cat/dcata.c
new file mode 100644
index 0000000..0ec7c08
--- /dev/null
+++ b/src/c/matrixOperations/cat/dcata.c
@@ -0,0 +1,55 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include "cat.h"
+/*
+** Emulate Scilab (from help cat) :
+** then the concatenation is done according to the rows
+**
+** A1=[1 2 3 ; 4 5 6]; A2=[7 8 9 ; 10 11 12]; y=cat(1,A1,A2) => y=[1 2 3 ; 4 5 6 ;7 8 9; 10 11 12]
+**
+*/
+
+void		drowcata(double *in1, int lines1, int columns1, double *in2, int lines2, int columns2, double* out) {
+  int i = 0;
+  int j = 0;
+  
+  for (i = 0 ; i < columns1 && i < columns2 ; ++i)
+    {
+      for (j = 0 ; j < lines1 ; ++j)
+	{
+	  out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];
+	}
+       for (j = 0 ; j < lines2 ; ++j)
+	{
+	  out[i*(lines1 + lines2) + lines1 + j] = in2[i*lines2 + j];
+	}
+    }
+}
+
+
+/*
+** Emulate Scilab (from help cat) :
+** the concatenation is done according to the columns
+**
+** A1=[1 2 3;4 5 6]; A2=[7 8 9 ;10 11 12]; y=cat(2,A1,A2) => y=[1 2 3 7 8 9 ; 4 5 6 10 11 12]
+**
+*/
+void		dcolumncata(double *in1, int lines1, int columns1, double *in2, int lines2, int columns2, double* out) {
+  int i = 0;
+  for (i = 0 ; i < lines1 * columns1 ; ++i) {
+    out[i] = in1[i];
+  }
+  for (i = 0; i < lines2 * columns2 ; ++i) {
+    out[i + lines1 * columns1] = in2[i];
+  }
+}
diff --git a/src/c/matrixOperations/cat/dcats.c b/src/c/matrixOperations/cat/dcats.c
new file mode 100644
index 0000000..aea63ec
--- /dev/null
+++ b/src/c/matrixOperations/cat/dcats.c
@@ -0,0 +1,23 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include "cat.h"
+
+void		drowcats(double in1, double in2, double *out) {
+  out[0] = in1;
+  out[1] = in2;
+}
+
+void		dcolumncats(double in1, double in2, double *out) {
+  out[0] = in1;
+  out[1] = in2;
+}
diff --git a/src/c/matrixOperations/cat/i16cata.c b/src/c/matrixOperations/cat/i16cata.c
new file mode 100644
index 0000000..d7187b4
--- /dev/null
+++ b/src/c/matrixOperations/cat/i16cata.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Mushir
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include "cat.h"
+/* From scilab help cat then the concatenation is done according to the rows
+A1 = [1 2 3;4 5 6];
+A2 = [7 8 9;10 11 12];
+y = cat(1,A1,A2);
+output => y = [1 2 3; 4 5 6;7 8 9;10 11 12]
+*/
+
+void i16rowcata(int16 *in1,int lines1,int columns1,int16 *in2,int lines2,int columns2,int16* out)
+{
+ int i = 0;
+ int j = 0;
+ for(i = 0;i < columns1 && i < columns2; ++i)
+  {
+    for(j = 0;j < lines1; ++j)
+    {
+       out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];
+    }
+    for(j = 0;j < lines2; ++j)
+      {
+        out[i*(lines1 + lines2) + lines1 + j] = in2[i*lines2 + j];
+      }
+
+  }
+}
+
+  /* From scilab help cat then the concatenation is done according to the rows
+A1 = [1 2 3;4 5 6];
+A2 = [7 8 9;10 11 12];
+y = cat(2,A1,A2);
+output => y = [1 2 3 7 8 9; 4 5 6 10 11 12]
+*/
+
+void i16columncata(int16 *in1,int lines1,int columns1,int16 *in2,int lines2,int columns2,int16* out)
+   {
+     int i = 0;
+     for(i = 0; i < lines1 * columns1;++i)
+      {
+          out[i] = in1[i];
+ 
+      }
+      for(i = 0;i < lines2 * columns2;++i)
+      {
+        
+        out[i + lines1 * columns2] = in2[i];
+
+      }
+  
+   }
+
+
+
diff --git a/src/c/matrixOperations/cat/i16cats.c b/src/c/matrixOperations/cat/i16cats.c
new file mode 100644
index 0000000..11b24ac
--- /dev/null
+++ b/src/c/matrixOperations/cat/i16cats.c
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Mushir
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include "cat.h"
+
+void i16rowcats(int16 in1,int16 in2,int16 *out)
+{
+  out[0] = in1;
+  out[1] = in2;
+
+}
+
+void i16columncats(int16 in1,int16 in2,int16 *out)
+{
+  out[0] = in1;
+  out[1] = in2;
+
+}
diff --git a/src/c/matrixOperations/cat/i8cata.c b/src/c/matrixOperations/cat/i8cata.c
new file mode 100644
index 0000000..47fbfa4
--- /dev/null
+++ b/src/c/matrixOperations/cat/i8cata.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Mushir
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include "cat.h"
+/* From scilab help cat then the concatenation is done according to the rows
+A1 = [1 2 3;4 5 6];
+A2 = [7 8 9;10 11 12];
+y = cat(1,A1,A2);
+output => y = [1 2 3; 4 5 6;7 8 9;10 11 12]
+*/
+
+void i8rowcata(int8 *in1,int lines1,int columns1,int8 *in2,int lines2,int columns2,int8* out)
+{
+ int i = 0;
+ int j = 0;
+ for(i = 0;i < columns1 && i < columns2; ++i)
+  {
+    for(j = 0;j < lines1; ++j)
+    {
+       out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];
+    }
+    for(j = 0;j < lines2; ++j)
+      {
+        out[i*(lines1 + lines2) + lines1 + j] = in2[i*lines2 + j];
+      }
+
+  }
+}
+  /* From scilab help cat then the concatenation is done according to the rows
+A1 = [1 2 3;4 5 6];
+A2 = [7 8 9;10 11 12];
+y = cat(2,A1,A2);
+output => y = [1 2 3 7 8 9; 4 5 6 10 11 12]
+*/
+
+void i8columncata(int8 *in1,int lines1,int columns1,int8 *in2,int lines2,int columns2,int8* out)
+   {
+     int i = 0;
+     for(i = 0; i < lines1 * columns1;++i)
+      {
+          out[i] = in1[i];
+ 
+      }
+      for(i = 0;i < lines2 * columns2;++i)
+      {
+        
+        out[i + lines1 * columns2] = in2[i];
+
+      }
+  
+   }
+
diff --git a/src/c/matrixOperations/cat/i8cats.c b/src/c/matrixOperations/cat/i8cats.c
new file mode 100644
index 0000000..51dadd1
--- /dev/null
+++ b/src/c/matrixOperations/cat/i8cats.c
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Mushir
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include "cat.h"
+
+void i8rowcats(int8 in1,int8 in2,int8 *out)
+{
+  out[0] = in1;
+  out[1] = in2;
+
+}
+
+void i8columncats(int8 in1,uint8 in2,int8 *out)
+{
+  out[0] = in1;
+  out[1] = in2;
+
+}
diff --git a/src/c/matrixOperations/cat/scata.c b/src/c/matrixOperations/cat/scata.c
new file mode 100644
index 0000000..da0853c
--- /dev/null
+++ b/src/c/matrixOperations/cat/scata.c
@@ -0,0 +1,55 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include "cat.h"
+#include "stdio.h"
+/*
+** Emulate Scilab (from help cat) :
+** then the concatenation is done according to the rows
+**
+** A1=[1 2 3 ; 4 5 6]; A2=[7 8 9 ; 10 11 12]; y=cat(1,A1,A2) => y=[1 2 3 ; 4 5 6 ;7 8 9; 10 11 12]
+**
+*/
+
+void		srowcata(float *in1, int lines1, int columns1, float *in2, int lines2, int columns2, float* out) {
+  int i = 0;
+  int j = 0;
+  for (i = 0 ; i < columns1 && i < columns2 ; ++i)
+    {
+      for (j = 0 ; j < lines1 ; ++j)
+	{
+	  out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];
+	}
+       for (j = 0 ; j < lines2 ; ++j)
+	{
+	  out[i*(lines1 + lines2) + lines1 + j] = in2[i*lines2 + j];
+	}
+    }
+}
+
+
+/*
+** Emulate Scilab (from help cat) :
+** the concatenation is done according to the columns
+**
+** A1=[1 2 3;4 5 6]; A2=[7 8 9 ;10 11 12]; y=cat(2,A1,A2) => y=[1 2 3 7 8 9 ; 4 5 6 10 11 12]
+**
+*/
+void		scolumncata(float *in1, int lines1, int columns1, float *in2, int lines2, int columns2, float* out) {
+  int i = 0;
+  for (i = 0 ; i < lines1 * columns1 ; ++i) {
+    out[i] = in1[i];
+  }
+  for (i = 0; i < lines2 * columns2 ; ++i) {
+    out[i + lines1 * columns1] = in2[i];
+  }
+}
diff --git a/src/c/matrixOperations/cat/scats.c b/src/c/matrixOperations/cat/scats.c
new file mode 100644
index 0000000..1f82f9a
--- /dev/null
+++ b/src/c/matrixOperations/cat/scats.c
@@ -0,0 +1,23 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include "cat.h"
+
+void		srowcats(float in1, float in2, float *out) {
+  out[0] = in1;
+  out[1] = in2;
+}
+
+void		scolumncats(float in1, float in2, float *out) {
+  out[0] = in1;
+  out[1] = in2;
+}
diff --git a/src/c/matrixOperations/cat/testDoubleMatrixConcatenation.c b/src/c/matrixOperations/cat/testDoubleMatrixConcatenation.c
new file mode 100644
index 0000000..29ab3c6
--- /dev/null
+++ b/src/c/matrixOperations/cat/testDoubleMatrixConcatenation.c
@@ -0,0 +1,342 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include "constant.h"
+#include "cat.h"
+
+static void drowcatsTest(void) {
+  int i = 0;
+  double output[2] = {0};
+
+  /*
+  ** [ 42 51 ]
+  */
+  drowcats(42.0, 51.0, output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e\n", i, output[i]);
+  }
+  assert(output[0] == 42.0);
+  assert(output[1] == 51.0);
+
+  /*
+  ** [ PI PI/2 ]
+  */
+  drowcats(DPI, DPI / 2, output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e\n", i, output[i]);
+  }
+  assert(output[0] == DPI);
+  assert(output[1] == DPI / 2);
+}
+
+static void dcolumncatsTest(void) {
+  int i = 0;
+  double output[2] = {0};
+
+  /*
+  ** [ 42 51 ]
+  */
+  dcolumncats(42.0, 51.0, output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e\n", i, output[i]);
+  }
+  assert(output[0] == 42.0);
+  assert(output[1] == 51.0);
+
+  /*
+  ** [ PI PI/2 ]
+  */
+  dcolumncats(DPI, DPI / 2, output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e\n", i, output[i]);
+  }
+  assert(output[0] == DPI);
+  assert(output[1] == DPI / 2);
+}
+
+static void dcolumncataTest(void) {
+  int i = 0;
+  double in1[12] = {0.0, 1.0, 2.0 , 3.0 , 4.0, 5.0 , 6.0 , 7.0 , 8.0 , 9.0, 10.0 , 11.0};
+  double in2_1_1[1] = {12.0};
+  double out_1_13[13] = {0};
+
+  double in2_2_2[4] = {DPI, DPI / 2, DPI / 3, DPI / 4};
+  double out_2_8[16] = {0};
+
+  /*
+  **  columncat( [ 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 ], [ 12.0 ] )
+  ** [ 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 ]
+  */
+  dcolumncata(in1, 1, 12, in2_1_1, 1, 1, out_1_13);
+  for (i = 0 ; i < 13 ; ++i) {
+    printf("out_1_13[%d] = %e\n", i, out_1_13[i]);
+    assert(out_1_13[i] == (double) i);
+  }
+
+  /*
+  ** [ 0 2 4 6 8 10 ] , [ PI   PI/3 ] => [ 0 2 4 6 8 10 PI   PI/3 ]
+  ** [ 1 3 5 7 9 11 ]   [ PI/2 PI/4]     [ 1 3 5 7 9 11 PI/2 PI/4 ]
+  */
+  dcolumncata(in1, 2, 6, in2_2_2, 2, 2, out_2_8);
+  for (i = 0 ; i < 16 ; ++i) {
+    printf("out_2_8[%d] = %e\n", i, out_2_8[i]);
+  }
+  for (i = 0 ; i < 12 ; ++i) {
+    assert(out_2_8[i] == in1[i]);
+  }
+  for (i = 0 ; i < 4 ; ++i) {
+    assert(out_2_8[i + 12] == in2_2_2[i]);
+  }
+
+}
+
+static void   drowcataTest() {
+  int i = 0;
+  double in1[6] = {1.0 , 2.0, 5.0 , 6.0, 9.0 , 10.0};
+  double in2[6] = {3.0 , 4.0 , 7.0 , 8.0 , 11.0 , 12.0};
+  double out_4_3[12] = {0};
+  double out_6_2[12] = {0};
+  /*
+  ** [ 1 5 9  ] ; [ 3 7 11 ] => [ 1 5 9  ]
+  ** [ 2 6 10 ]   [ 4 8 12 ]	[ 2 6 10 ]
+  **				[ 3 7 11 ]
+  **				[ 4 8 12 ]
+  */
+  drowcata(in1, 2, 3, in2, 2, 3, out_4_3);
+  for (i = 0 ; i < 12 ; ++i) {
+    printf("out_4_3[%d] = %e\n", i, out_4_3[i]);
+    assert(out_4_3[i] == (double) i + 1.0);
+  }
+
+  /*
+  ** [ 1 6  ] ; [ 3 8  ]
+  ** [ 2 9  ]   [ 4 11 ]
+  ** [ 5 10 ]   [ 7 12 ]
+  */
+  drowcata(in1, 3, 2, in2, 3, 2, out_6_2);
+ for (i = 0 ; i < 12 ; ++i) {
+    printf("out_6_2[%d] = %e\n", i, out_6_2[i]);
+ }
+ assert(out_6_2[0] == 1.0);
+ assert(out_6_2[1] == 2.0);
+ assert(out_6_2[2] == 5.0);
+ assert(out_6_2[3] == 3.0);
+ assert(out_6_2[4] == 4.0);
+ assert(out_6_2[5] == 7.0);
+ assert(out_6_2[6] == 6.0);
+ assert(out_6_2[7] == 9.0);
+ assert(out_6_2[8] == 10.0);
+ assert(out_6_2[9] == 8.0);
+ assert(out_6_2[10] == 11.0);
+ assert(out_6_2[11] == 12.0);
+ 
+ drowcata(in1, 1, 6, in2, 1, 6, out_6_2);
+ for (i = 0 ; i < 12 ; ++i) {
+    printf("out_6_2[%d] = %e\n", i, out_6_2[i]);
+ }
+ assert(out_6_2[0] == 1.0);
+ assert(out_6_2[1] == 3.0);
+ assert(out_6_2[2] == 2.0);
+ assert(out_6_2[3] == 4.0);
+ assert(out_6_2[4] == 5.0);
+ assert(out_6_2[5] == 7.0);
+ assert(out_6_2[6] == 6.0);
+ assert(out_6_2[7] == 8.0);
+ assert(out_6_2[8] == 9.0);
+ assert(out_6_2[9] == 11.0);
+ assert(out_6_2[10] == 10.0);
+ assert(out_6_2[11] == 12.0);
+ 
+}
+
+static void zrowcatsTest(void) {
+  int i = 0;
+  doubleComplex output[2];
+
+  /*
+  ** [ 42+25i 51+38i ]
+  */
+  zrowcats(DoubleComplex(42.0, 25.0),
+	   DoubleComplex(51.0, 38.0),
+	   output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e + %e i\n", i, zreals(output[i]), zimags(output[i]));
+  }
+  assert(zreals(output[0]) == 42.0);
+  assert(zimags(output[0]) == 25.0);
+  assert(zreals(output[1]) == 51.0);
+  assert(zimags(output[1]) == 38.0);
+
+  /*
+  ** [ PI+PI/2i PI/2+PIi ]
+  */
+  zrowcats(DoubleComplex(DPI, DPI/2),
+	   DoubleComplex(DPI/2, DPI),
+	   output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e + %e i\n", i, zreals(output[i]), zimags(output[i]));
+  }
+  assert(zreals(output[0]) == DPI);
+  assert(zimags(output[0]) == DPI / 2);
+  assert(zreals(output[1]) == DPI / 2);
+  assert(zimags(output[1]) == DPI);
+}
+
+static void zcolumncatsTest(void) {
+  int i = 0;
+  doubleComplex output[2];
+  /*
+  ** [ 42+25i 51+38i ]
+  */
+  zcolumncats(DoubleComplex(42.0, 25.0),
+	   DoubleComplex(51.0, 38.0),
+	   output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e + %e i\n", i, zreals(output[i]), zimags(output[i]));
+  }
+  assert(zreals(output[0]) == 42.0);
+  assert(zimags(output[0]) == 25.0);
+  assert(zreals(output[1]) == 51.0);
+  assert(zimags(output[1]) == 38.0);
+
+  /*
+  ** [ PI+PI/2i PI/2+PIi ]
+  */
+  zcolumncats(DoubleComplex(DPI, DPI/2),
+	   DoubleComplex(DPI/2, DPI),
+	   output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e + %e i\n", i, zreals(output[i]), zimags(output[i]));
+  }
+  assert(zreals(output[0]) == DPI);
+  assert(zimags(output[0]) == DPI / 2);
+  assert(zreals(output[1]) == DPI / 2);
+  assert(zimags(output[1]) == DPI);
+
+}
+
+static void zcolumncataTest(void) {
+  int i = 0;
+  double in1_real[12] = {0.0 , 1.0 , 2.0 , 3.0 , 4.0 , 5.0 , 6.0 , 7.0 , 8.0 , 9.0 , 10.0 , 11.0};
+  double in1_imag[12] = {11.0 , 10.0 , 9.0 , 8.0 , 7.0 , 6.0 , 5.0 , 4.0 , 3.0 , 2.0 , 1.0 , 0.0};
+  doubleComplex *in1 = DoubleComplexMatrix(in1_real, in1_imag, 12);
+  double in2_real[1] = {12.0};
+  double in2_imag[1] = {-1.0};
+  doubleComplex *in2_1_1 = DoubleComplexMatrix(in2_real, in2_imag, 1);
+  doubleComplex out_1_13[13];
+
+  double in2_2_2_real[4] = {DPI, DPI / 2, DPI / 3, DPI / 4};
+  double in2_2_2_imag[4] = {DPI / 4, DPI / 3, DPI / 2, DPI};
+  doubleComplex *in2_2_2 = DoubleComplexMatrix(in2_2_2_real, in2_2_2_imag, 4);
+  doubleComplex out_2_8[16];
+
+  /*
+  **  columncat( [ 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 ], [ 12.0 ] )
+  ** [ 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 ]
+  */
+  zcolumncata(in1, 1, 12, in2_1_1, 1, 1, out_1_13);
+  for (i = 0 ; i < 13 ; ++i) {
+    printf("out_1_13[%d] = %e + %e i\n", i, zreals(out_1_13[i]), zimags(out_1_13[i]));
+    assert(zreals(out_1_13[i]) == (double) i);
+    assert(zimags(out_1_13[i]) == 11.0 - (double) i);
+  }
+
+  /*
+  ** [ 0 2 4 6 8 10 ] , [ PI   PI/3 ] => [ 0 2 4 6 8 10 PI   PI/3 ]
+  ** [ 1 3 5 7 9 11 ]   [ PI/2 PI/4]     [ 1 3 5 7 9 11 PI/2 PI/4 ]
+  */
+  zcolumncata(in1, 2, 6, in2_2_2, 2, 2, out_2_8);
+  for (i = 0 ; i < 16 ; ++i) {
+    printf("out_2_8[%d] = %e + %e i\n", i, zreals(out_2_8[i]), zimags(out_2_8[i]));
+  }
+  for (i = 0 ; i < 12 ; ++i) {
+    assert(zreals(out_2_8[i]) == zreals(in1[i]));
+    assert(zimags(out_2_8[i]) == zimags(in1[i]));
+  }
+  for (i = 0 ; i < 4 ; ++i) {
+    assert(zreals(out_2_8[i + 12]) == zreals(in2_2_2[i]));
+    assert(zimags(out_2_8[i + 12]) == zimags(in2_2_2[i]));
+  }
+
+}
+
+static void   zrowcataTest() {
+  int i = 0;
+  double in1_real[6] = {1.0 , 2.0, 5.0 , 6.0, 9.0 , 10.0};
+  double in1_imag[6] = {1.0 , 2.0, 5.0 , 6.0, 9.0 , 10.0};
+  doubleComplex *in1 = DoubleComplexMatrix(in1_real, in1_imag, 6);
+  double in2_real[6] = {3.0 , 4.0 , 7.0 , 8.0 , 11.0 , 12.0};
+  double in2_imag[6] = {3.0 , 4.0 , 7.0 , 8.0 , 11.0 , 12.0};
+  doubleComplex *in2 = DoubleComplexMatrix(in2_real, in2_imag, 6);
+  doubleComplex out_4_3[12];
+  doubleComplex out_6_2[12];
+  /*
+  ** [ 1 5 9  ] ; [ 3 7 11 ] => [ 1 5 9  ]
+  ** [ 2 6 10 ]   [ 4 8 12 ]	[ 2 6 10 ]
+  **				[ 3 7 11 ]
+  **				[ 4 8 12 ]
+  */
+  zrowcata(in1, 2, 3, in2, 2, 3, out_4_3);
+  for (i = 0 ; i < 12 ; ++i) {
+    printf("out_4_3[%d] = %e + %e i\n", i, zreals(out_4_3[i]), zimags(out_4_3[i]));
+    assert(zreals(out_4_3[i]) == (double) i + 1.0);
+    assert(zimags(out_4_3[i]) == (double) i + 1.0);
+  }
+
+  /*
+  ** [ 1 6  ] ; [ 3 8  ]
+  ** [ 2 9  ]   [ 4 11 ]
+  ** [ 5 10 ]   [ 7 12 ]
+  */
+  zrowcata(in1, 3, 2, in2, 3, 2, out_6_2);
+ for (i = 0 ; i < 12 ; ++i) {
+   printf("out_6_2[%d] = %e + %e i\n", i, zreals(out_6_2[i]), zimags(out_6_2[i]));
+ }
+ assert(zreals(out_6_2[0]) == 1.0);
+ assert(zimags(out_6_2[0]) == 1.0);
+ assert(zreals(out_6_2[1]) == 2.0);
+ assert(zimags(out_6_2[1]) == 2.0);
+ assert(zreals(out_6_2[2]) == 5.0);
+ assert(zimags(out_6_2[2]) == 5.0);
+ assert(zreals(out_6_2[3]) == 3.0);
+ assert(zimags(out_6_2[3]) == 3.0);
+ assert(zreals(out_6_2[4]) == 4.0);
+ assert(zimags(out_6_2[4]) == 4.0);
+ assert(zreals(out_6_2[5]) == 7.0);
+ assert(zimags(out_6_2[5]) == 7.0);
+ assert(zreals(out_6_2[6]) == 6.0);
+ assert(zimags(out_6_2[6]) == 6.0);
+ assert(zreals(out_6_2[7]) == 9.0);
+ assert(zimags(out_6_2[7]) == 9.0);
+ assert(zreals(out_6_2[8]) == 10.0);
+ assert(zimags(out_6_2[8]) == 10.0);
+ assert(zreals(out_6_2[9]) == 8.0);
+ assert(zimags(out_6_2[9]) == 8.0);
+ assert(zreals(out_6_2[10]) == 11.0);
+ assert(zimags(out_6_2[10]) == 11.0);
+ assert(zreals(out_6_2[11]) == 12.0);
+ assert(zimags(out_6_2[11]) == 12.0);
+}
+
+int main(void) {
+  drowcatsTest();
+  dcolumncatsTest();
+  drowcataTest();
+  dcolumncataTest();
+  zrowcatsTest();
+  zcolumncatsTest();
+  zrowcataTest();
+  zcolumncataTest();
+  return 0;
+}
diff --git a/src/c/matrixOperations/cat/testFloatMatrixConcatenation.c b/src/c/matrixOperations/cat/testFloatMatrixConcatenation.c
new file mode 100644
index 0000000..b34a80f
--- /dev/null
+++ b/src/c/matrixOperations/cat/testFloatMatrixConcatenation.c
@@ -0,0 +1,341 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include "constant.h"
+#include "cat.h"
+
+static void srowcatsTest(void) {
+  int i = 0;
+  float output[2] = {0};
+
+  /*
+  ** [ 42 51 ]
+  */
+  srowcats(42.0, 51.0, output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e\n", i, output[i]);
+  }
+  assert(output[0] == 42.0);
+  assert(output[1] == 51.0);
+
+  /*
+  ** [ PI PI/2 ]
+  */
+  srowcats(FPI, FPI / 2, output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e\n", i, output[i]);
+  }
+  assert(output[0] == FPI);
+  assert(output[1] == FPI / 2);
+}
+
+static void scolumncatsTest(void) {
+  int i = 0;
+  float output[2] = {0};
+
+  /*
+  ** [ 42 51 ]
+  */
+  scolumncats(42.0, 51.0, output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e\n", i, output[i]);
+  }
+  assert(output[0] == 42.0);
+  assert(output[1] == 51.0);
+
+  /*
+  ** [ PI PI/2 ]
+  */
+  scolumncats(FPI, FPI / 2, output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e\n", i, output[i]);
+  }
+  assert(output[0] == FPI);
+  assert(output[1] == FPI / 2);
+}
+
+static void scolumncataTest(void) {
+  int i = 0;
+  float in1[12] = {0.0, 1.0, 2.0 , 3.0 , 4.0, 5.0 , 6.0 , 7.0 , 8.0 , 9.0, 10.0 , 11.0};
+  float in2_1_1[1] = {12.0};
+  float out_1_13[13] = {0};
+  float in2_2_2[4] = {FPI, FPI / 2, FPI / 3, FPI / 4};
+  float out_2_8[16] = {0};
+
+  /*
+  **  columncat( [ 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 ], [ 12.0 ] )
+  ** [ 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 ]
+  */
+  scolumncata(in1, 1, 12, in2_1_1, 1, 1, out_1_13);
+  for (i = 0 ; i < 13 ; ++i) {
+    printf("out_1_13[%d] = %e\n", i, out_1_13[i]);
+    assert(out_1_13[i] == (float) i);
+  }
+
+  /*
+  ** [ 0 2 4 6 8 10 ] , [ PI   PI/3 ] => [ 0 2 4 6 8 10 PI   PI/3 ]
+  ** [ 1 3 5 7 9 11 ]   [ PI/2 PI/4]     [ 1 3 5 7 9 11 PI/2 PI/4 ]
+  */
+  scolumncata(in1, 2, 6, in2_2_2, 2, 2, out_2_8);
+  for (i = 0 ; i < 16 ; ++i) {
+    printf("out_2_8[%d] = %e\n", i, out_2_8[i]);
+  }
+  for (i = 0 ; i < 12 ; ++i) {
+    assert(out_2_8[i] == in1[i]);
+  }
+  for (i = 0 ; i < 4 ; ++i) {
+    assert(out_2_8[i + 12] == in2_2_2[i]);
+  }
+
+	
+
+}
+
+static void   srowcataTest() {
+  int i = 0;
+  float in1[6] = {1.0 , 2.0, 5.0 , 6.0, 9.0 , 10.0};
+  float in2[6] = {3.0 , 4.0 , 7.0 , 8.0 , 11.0 , 12.0};
+  float out_4_3[12] = {0};
+  float out_6_2[12] = {0};
+  
+  float inNono1[6]={1.0,3.0,5.0,2.0,4.0,6.0};
+  float inNono2[2]={1.0,2.0};
+  float outNono[8]={0};
+  /*
+  ** [ 1 5 9  ] ; [ 3 7 11 ] => [ 1 5 9  ]
+  ** [ 2 6 10 ]   [ 4 8 12 ]	[ 2 6 10 ]
+  **				[ 3 7 11 ]
+  **				[ 4 8 12 ]
+  */
+  srowcata(in1, 2, 3, in2, 2, 3, out_4_3);
+  for (i = 0 ; i < 12 ; ++i) {
+    printf("out_4_3[%d] = %e\n", i, out_4_3[i]);
+    assert(out_4_3[i] == (float) i + 1.0);
+  }
+
+  /*
+  ** [ 1 6  ] ; [ 3 8  ]
+  ** [ 2 9  ]   [ 4 11 ]
+  ** [ 5 10 ]   [ 7 12 ]
+  */
+  srowcata(in1, 3, 2, in2, 3, 2, out_6_2);
+ for (i = 0 ; i < 12 ; ++i) {
+    printf("out_6_2[%d] = %e\n", i, out_6_2[i]);
+ }
+ assert(out_6_2[0] == 1.0);
+ assert(out_6_2[1] == 2.0);
+ assert(out_6_2[2] == 5.0);
+ assert(out_6_2[3] == 3.0);
+ assert(out_6_2[4] == 4.0);
+ assert(out_6_2[5] == 7.0);
+ assert(out_6_2[6] == 6.0);
+ assert(out_6_2[7] == 9.0);
+ assert(out_6_2[8] == 10.0);
+ assert(out_6_2[9] == 8.0);
+ assert(out_6_2[10] == 11.0);
+ assert(out_6_2[11] == 12.0);
+ 
+ 
+ srowcata(inNono1, 3, 2, inNono2, 1, 2, outNono);
+ assert(outNono[0] == 1.0);
+ assert(outNono[1] == 3.0);
+ assert(outNono[2] == 5.0);
+ assert(outNono[3] == 1.0);
+ assert(outNono[4] == 2.0);
+ assert(outNono[5] == 4.0);
+ assert(outNono[6] == 6.0);
+ assert(outNono[7] == 2.0); 
+ 
+}
+
+static void crowcatsTest(void) {
+  int i = 0;
+  floatComplex output[2];
+
+  /*
+  ** [ 42+25i 51+38i ]
+  */
+  crowcats(FloatComplex(42.0, 25.0),
+	   FloatComplex(51.0, 38.0),
+	   output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e + %e i\n", i, creals(output[i]), cimags(output[i]));
+  }
+  assert(creals(output[0]) == 42.0);
+  assert(cimags(output[0]) == 25.0);
+  assert(creals(output[1]) == 51.0);
+  assert(cimags(output[1]) == 38.0);
+
+  /*
+  ** [ PI+PI/2i PI/2+PIi ]
+  */
+  crowcats(FloatComplex(FPI, FPI/2),
+	   FloatComplex(FPI/2, FPI),
+	   output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e + %e i\n", i, creals(output[i]), cimags(output[i]));
+  }
+  assert(creals(output[0]) == FPI);
+  assert(cimags(output[0]) == FPI / 2);
+  assert(creals(output[1]) == FPI / 2);
+  assert(cimags(output[1]) == FPI);
+}
+
+static void ccolumncatsTest(void) {
+  int i = 0;
+  floatComplex output[2];
+  /*
+  ** [ 42+25i 51+38i ]
+  */
+  ccolumncats(FloatComplex(42.0, 25.0),
+	   FloatComplex(51.0, 38.0),
+	   output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e + %e i\n", i, creals(output[i]), cimags(output[i]));
+  }
+  assert(creals(output[0]) == 42.0);
+  assert(cimags(output[0]) == 25.0);
+  assert(creals(output[1]) == 51.0);
+  assert(cimags(output[1]) == 38.0);
+
+  /*
+  ** [ PI+PI/2i PI/2+PIi ]
+  */
+  ccolumncats(FloatComplex(FPI, FPI/2),
+	   FloatComplex(FPI/2, FPI),
+	   output);
+  for (i = 0 ; i < 2 ; ++i) {
+    printf("output[%d] = %e + %e i\n", i, creals(output[i]), cimags(output[i]));
+  }
+  assert(creals(output[0]) == FPI);
+  assert(cimags(output[0]) == FPI / 2);
+  assert(creals(output[1]) == FPI / 2);
+  assert(cimags(output[1]) == FPI);
+
+}
+
+static void ccolumncataTest(void) {
+  int i = 0;
+  float in1_real[12] = {0.0 , 1.0 , 2.0 , 3.0 , 4.0 , 5.0 , 6.0 , 7.0 , 8.0 , 9.0 , 10.0 , 11.0};
+  float in1_imag[12] = {11.0 , 10.0 , 9.0 , 8.0 , 7.0 , 6.0 , 5.0 , 4.0 , 3.0 , 2.0 , 1.0 , 0.0};
+  floatComplex *in1 = FloatComplexMatrix(in1_real, in1_imag, 12);
+  float in2_real[1] = {12.0};
+  float in2_imag[1] = {-1.0};
+  floatComplex *in2_1_1 = FloatComplexMatrix(in2_real, in2_imag, 1);
+  floatComplex out_1_13[13];
+
+  float in2_2_2_real[4] = {FPI, FPI / 2, FPI / 3, FPI / 4};
+  float in2_2_2_imag[4] = {FPI / 4, FPI / 3, FPI / 2, FPI};
+  floatComplex *in2_2_2 = FloatComplexMatrix(in2_2_2_real, in2_2_2_imag, 4);
+  floatComplex out_2_8[16];
+
+  /*
+  **  columncat( [ 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 ], [ 12.0 ] )
+  ** [ 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 ]
+  */
+  ccolumncata(in1, 1, 12, in2_1_1, 1, 1, out_1_13);
+  for (i = 0 ; i < 13 ; ++i) {
+    printf("out_1_13[%d] = %e + %e i\n", i, creals(out_1_13[i]), cimags(out_1_13[i]));
+    assert(creals(out_1_13[i]) == (float) i);
+    assert(cimags(out_1_13[i]) == 11.0 - (float) i);
+  }
+
+  /*
+  ** [ 0 2 4 6 8 10 ] , [ PI   PI/3 ] => [ 0 2 4 6 8 10 PI   PI/3 ]
+  ** [ 1 3 5 7 9 11 ]   [ PI/2 PI/4]     [ 1 3 5 7 9 11 PI/2 PI/4 ]
+  */
+  ccolumncata(in1, 2, 6, in2_2_2, 2, 2, out_2_8);
+  for (i = 0 ; i < 16 ; ++i) {
+    printf("out_2_8[%d] = %e + %e i\n", i, creals(out_2_8[i]), cimags(out_2_8[i]));
+  }
+  for (i = 0 ; i < 12 ; ++i) {
+    assert(creals(out_2_8[i]) == creals(in1[i]));
+    assert(cimags(out_2_8[i]) == cimags(in1[i]));
+  }
+  for (i = 0 ; i < 4 ; ++i) {
+    assert(creals(out_2_8[i + 12]) == creals(in2_2_2[i]));
+    assert(cimags(out_2_8[i + 12]) == cimags(in2_2_2[i]));
+  }
+
+}
+
+static void   crowcataTest() {
+  int i = 0;
+  float in1_real[6] = {1.0 , 2.0, 5.0 , 6.0, 9.0 , 10.0};
+  float in1_imag[6] = {1.0 , 2.0, 5.0 , 6.0, 9.0 , 10.0};
+  floatComplex *in1 = FloatComplexMatrix(in1_real, in1_imag, 6);
+  float in2_real[6] = {3.0 , 4.0 , 7.0 , 8.0 , 11.0 , 12.0};
+  float in2_imag[6] = {3.0 , 4.0 , 7.0 , 8.0 , 11.0 , 12.0};
+  floatComplex *in2 = FloatComplexMatrix(in2_real, in2_imag, 6);
+  floatComplex out_4_3[12];
+  floatComplex out_6_2[12];
+  /*
+  ** [ 1 5 9  ] ; [ 3 7 11 ] => [ 1 5 9  ]
+  ** [ 2 6 10 ]   [ 4 8 12 ]	[ 2 6 10 ]
+  **				[ 3 7 11 ]
+  **				[ 4 8 12 ]
+  */
+  crowcata(in1, 2, 3, in2, 2, 3, out_4_3);
+  for (i = 0 ; i < 12 ; ++i) {
+    printf("out_4_3[%d] = %e + %e i\n", i, creals(out_4_3[i]), cimags(out_4_3[i]));
+    assert(creals(out_4_3[i]) == (float) i + 1.0);
+    assert(cimags(out_4_3[i]) == (float) i + 1.0);
+  }
+
+  /*
+  ** [ 1 6  ] ; [ 3 8  ]
+  ** [ 2 9  ]   [ 4 11 ]
+  ** [ 5 10 ]   [ 7 12 ]
+  */
+  crowcata(in1, 3, 2, in2, 3, 2, out_6_2);
+ for (i = 0 ; i < 12 ; ++i) {
+   printf("out_6_2[%d] = %e + %e i\n", i, creals(out_6_2[i]), cimags(out_6_2[i]));
+ }
+ assert(creals(out_6_2[0]) == 1.0);
+ assert(cimags(out_6_2[0]) == 1.0);
+ assert(creals(out_6_2[1]) == 2.0);
+ assert(cimags(out_6_2[1]) == 2.0);
+ assert(creals(out_6_2[2]) == 5.0);
+ assert(cimags(out_6_2[2]) == 5.0);
+ assert(creals(out_6_2[3]) == 3.0);
+ assert(cimags(out_6_2[3]) == 3.0);
+ assert(creals(out_6_2[4]) == 4.0);
+ assert(cimags(out_6_2[4]) == 4.0);
+ assert(creals(out_6_2[5]) == 7.0);
+ assert(cimags(out_6_2[5]) == 7.0);
+ assert(creals(out_6_2[6]) == 6.0);
+ assert(cimags(out_6_2[6]) == 6.0);
+ assert(creals(out_6_2[7]) == 9.0);
+ assert(cimags(out_6_2[7]) == 9.0);
+ assert(creals(out_6_2[8]) == 10.0);
+ assert(cimags(out_6_2[8]) == 10.0);
+ assert(creals(out_6_2[9]) == 8.0);
+ assert(cimags(out_6_2[9]) == 8.0);
+ assert(creals(out_6_2[10]) == 11.0);
+ assert(cimags(out_6_2[10]) == 11.0);
+ assert(creals(out_6_2[11]) == 12.0);
+ assert(cimags(out_6_2[11]) == 12.0);
+}
+
+int main(void) {
+  srowcatsTest();
+  scolumncatsTest();
+  srowcataTest();
+  scolumncataTest();
+  crowcatsTest();
+  ccolumncatsTest();
+  crowcataTest();
+  ccolumncataTest();
+  return 0;
+}
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@@ -0,0 +1,22 @@
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diff --git a/src/c/matrixOperations/cat/u16cata.c b/src/c/matrixOperations/cat/u16cata.c
new file mode 100644
index 0000000..8c33acb
--- /dev/null
+++ b/src/c/matrixOperations/cat/u16cata.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Mushir
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include "cat.h"
+/* From scilab help cat then the concatenation is done according to the rows
+A1 = [1 2 3;4 5 6];
+A2 = [7 8 9;10 11 12];
+y = cat(1,A1,A2);
+output => y = [1 2 3; 4 5 6;7 8 9;10 11 12]
+*/
+
+void u16rowcata(uint16 *in1,int lines1,int columns1,uint16 *in2,int lines2,int columns2,uint16* out)
+{
+ int i = 0;
+ int j = 0;
+ for(i = 0;i < columns1 && i < columns2; ++i)
+  {
+    for(j = 0;j < lines1; ++j)
+    {
+       out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];
+    }
+    for(j = 0;j < lines2; ++j)
+      {
+        out[i*(lines1 + lines2) + lines1 + j] = in2[i*lines2 + j];
+      }
+
+  }
+}
+
+  /* From scilab help cat then the concatenation is done according to the rows
+A1 = [1 2 3;4 5 6];
+A2 = [7 8 9;10 11 12];
+y = cat(2,A1,A2);
+output => y = [1 2 3 7 8 9; 4 5 6 10 11 12]
+*/
+
+void u16columncata(uint16 *in1,int lines1,int columns1,uint16 *in2,int lines2,int columns2,uint16* out)
+   {
+     int i = 0;
+     for(i = 0; i < lines1 * columns1;++i)
+      {
+          out[i] = in1[i];
+ 
+      }
+      for(i = 0;i < lines2 * columns2;++i)
+      {
+        
+        out[i + lines1 * columns2] = in2[i];
+
+      }
+  
+   }
+
+
+
diff --git a/src/c/matrixOperations/cat/u16cats.c b/src/c/matrixOperations/cat/u16cats.c
new file mode 100644
index 0000000..942ed76
--- /dev/null
+++ b/src/c/matrixOperations/cat/u16cats.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Mushir
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include "cat.h"
+
+void u16rowcats(uint16 in1,uint16 in2,uint16 *out)
+{
+  out[0] = in1;
+  out[1] = in2;
+
+}
+
+void u16columncats(uint16 in1,uint16 in2,uint16 *out)
+{
+  out[0] = in1;
+  out[1] = in2;
+
+}
diff --git a/src/c/matrixOperations/cat/u8cata.c b/src/c/matrixOperations/cat/u8cata.c
new file mode 100644
index 0000000..ab15f42
--- /dev/null
+++ b/src/c/matrixOperations/cat/u8cata.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Mushir
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include "cat.h"
+/* From scilab help cat then the concatenation is done according to the rows
+A1 = [1 2 3;4 5 6];
+A2 = [7 8 9;10 11 12];
+y = cat(1,A1,A2);
+output => y = [1 2 3; 4 5 6;7 8 9;10 11 12]
+*/
+
+void u8rowcata(uint8 *in1,int lines1,int columns1,uint8 *in2,int lines2,int columns2,uint8* out)
+{
+ int i = 0;
+ int j = 0;
+ for(i = 0;i < columns1 && i < columns2; ++i)
+  {
+    for(j = 0;j < lines1; ++j)
+    {
+       out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];
+    }
+    for(j = 0;j < lines2; ++j)
+      {
+        out[i*(lines1 + lines2) + lines1 + j] = in2[i*lines2 + j];
+      }
+
+  }
+}
+  /* From scilab help cat then the concatenation is done according to the rows
+A1 = [1 2 3;4 5 6];
+A2 = [7 8 9;10 11 12];
+y = cat(2,A1,A2);
+output => y = [1 2 3 7 8 9; 4 5 6 10 11 12]
+*/
+
+void u8columncata(uint8 *in1,int lines1,int columns1,uint8 *in2,int lines2,int columns2,uint8* out)
+   {
+     int i = 0;
+     for(i = 0; i < lines1 * columns1;++i)
+      {
+          out[i] = in1[i];
+ 
+      }
+      for(i = 0;i < lines2 * columns2;++i)
+      {
+        
+        out[i + lines1 * columns2] = in2[i];
+
+      }
+  
+   }
+
diff --git a/src/c/matrixOperations/cat/u8cats.c b/src/c/matrixOperations/cat/u8cats.c
new file mode 100644
index 0000000..92341f3
--- /dev/null
+++ b/src/c/matrixOperations/cat/u8cats.c
@@ -0,0 +1,26 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Mushir
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+#include "cat.h"
+
+void u8rowcats(uint8 in1,uint8 in2,uint8 *out)
+{
+  out[0] = in1;
+  out[1] = in2;
+
+}
+
+void u8columncats(uint8 in1,uint8 in2,uint8 *out)
+{
+  out[0] = in1;
+  out[1] = in2;
+
+}
diff --git a/src/c/matrixOperations/cat/zcata.c b/src/c/matrixOperations/cat/zcata.c
new file mode 100644
index 0000000..485553d
--- /dev/null
+++ b/src/c/matrixOperations/cat/zcata.c
@@ -0,0 +1,54 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include "cat.h"
+/*
+** Emulate Scilab (from help cat) :
+** then the concatenation is done according to the rows
+**
+** A1=[1 2 3 ; 4 5 6]; A2=[7 8 9 ; 10 11 12]; y=cat(1,A1,A2) => y=[1 2 3 ; 4 5 61 ;7 8 9; 10 11 12]
+**
+*/
+
+void		zrowcata(doubleComplex *in1, int lines1, int columns1, doubleComplex *in2, int lines2, int columns2, doubleComplex* out) {
+  int i = 0;
+  int j = 0;
+  for (i = 0 ; i < columns1 && i < columns2 ; ++i)
+    {
+      for (j = 0 ; j < lines1 ; ++j)
+	{
+	  out[i*(lines1 + lines2) + j] = in1[i*lines1 + j];
+	}
+       for (j = 0 ; j < lines2 ; ++j)
+	{
+	  out[i*(lines1 + lines2) + lines1 + j] = in2[i*lines2 + j];
+	}
+    }
+}
+
+
+/*
+** Emulate Scilab (from help cat) :
+** the concatenation is done according to the columns
+**
+** A1=[1 2 3;4 5 6]; A2=[7 8 9 ;10 11 12]; y=cat(2,A1,A2) => y=[1 2 3 7 8 9 ; 4 5 6 10 11 12]
+**
+*/
+void		zcolumncata(doubleComplex *in1, int lines1, int columns1, doubleComplex *in2, int lines2, int columns2, doubleComplex* out) {
+  int i = 0;
+  for (i = 0 ; i < lines1 * columns1 ; ++i) {
+    out[i] = in1[i];
+  }
+  for (i = 0; i < lines2 * columns2 ; ++i) {
+    out[i + lines1 * columns1] = in2[i];
+  }
+}
diff --git a/src/c/matrixOperations/cat/zcats.c b/src/c/matrixOperations/cat/zcats.c
new file mode 100644
index 0000000..107000c
--- /dev/null
+++ b/src/c/matrixOperations/cat/zcats.c
@@ -0,0 +1,24 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+#include "cat.h"
+
+void		zrowcats(doubleComplex in1, doubleComplex in2, doubleComplex *out) {
+  out[0] = in1;
+  out[1] = in2;
+}
+
+void		zcolumncats(doubleComplex in1, doubleComplex in2, doubleComplex *out) {
+  out[0] = in1;
+  out[1] = in2;
+}
+