14 files changed, 1356 insertions, 0 deletions
diff --git a/src/c/auxiliaryFunctions/isnan/Makefile.am b/src/c/auxiliaryFunctions/isnan/Makefile.am
new file mode 100644
index 0000000..dbe8792
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/Makefile.am
@@ -0,0 +1,48 @@
+##
+##  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
+##
+##
+
+libIsnan_la_CFLAGS =	-I ../../type \
+			-I ../includes
+
+instdir = $(top_builddir)/lib
+
+pkglib_LTLIBRARIES =	libIsnan.la
+
+libIsnan_la_SOURCES =	$(HEAD) $(SRC)
+
+SRC	=	sisnans.c \
+		disnans.c \
+		cisnans.c \
+		zisnans.c
+
+HEAD	=	../includes/isnan.h
+
+####
+# Checking Part
+####
+
+check_INCLUDES	=	-I $(top_builddir)/src/c/auxiliaryFunctions/includes \
+			-I $(top_builddir)/src/c/type
+
+check_PROGRAMS	= 	testIsnan
+
+TESTS		=	testIsnan
+
+#
+# -*- Isnan Tests -*-
+#
+testIsnan_SOURCES = 	testIsNan.h testIsNan.c
+testIsnan_CFLAGS  =	$(check_INCLUDES)
+testIsnan_LDADD	  =	$(top_builddir)/src/c/type/libDoubleComplex.la \
+			$(top_builddir)/src/c/type/libFloatComplex.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/isnan/libIsnan.la \
+			@LIBMATH@
diff --git a/src/c/auxiliaryFunctions/isnan/Makefile.in b/src/c/auxiliaryFunctions/isnan/Makefile.in
new file mode 100644
index 0000000..e9e38b5
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/Makefile.in
@@ -0,0 +1,721 @@
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+# 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,
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+# Checking Part
+####
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+
+
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+			$(top_builddir)/src/c/auxiliaryFunctions/isnan/libIsnan.la \
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+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libIsnan_la-cisnans.Tpo $(DEPDIR)/libIsnan_la-cisnans.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='cisnans.c' object='libIsnan_la-cisnans.lo' libtool=yes @AMDEPBACKSLASH@
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+
+libIsnan_la-zisnans.lo: zisnans.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libIsnan_la_CFLAGS) $(CFLAGS) -MT libIsnan_la-zisnans.lo -MD -MP -MF $(DEPDIR)/libIsnan_la-zisnans.Tpo -c -o libIsnan_la-zisnans.lo `test -f 'zisnans.c' || echo '$(srcdir)/'`zisnans.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libIsnan_la-zisnans.Tpo $(DEPDIR)/libIsnan_la-zisnans.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='zisnans.c' object='libIsnan_la-zisnans.lo' libtool=yes @AMDEPBACKSLASH@
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+
+testIsnan-testIsNan.o: testIsNan.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(testIsnan_CFLAGS) $(CFLAGS) -MT testIsnan-testIsNan.o -MD -MP -MF $(DEPDIR)/testIsnan-testIsNan.Tpo -c -o testIsnan-testIsNan.o `test -f 'testIsNan.c' || echo '$(srcdir)/'`testIsNan.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testIsnan-testIsNan.Tpo $(DEPDIR)/testIsnan-testIsNan.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testIsNan.c' object='testIsnan-testIsNan.o' libtool=no @AMDEPBACKSLASH@
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+
+testIsnan-testIsNan.obj: testIsNan.c
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+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/testIsnan-testIsNan.Tpo $(DEPDIR)/testIsnan-testIsNan.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='testIsNan.c' object='testIsnan-testIsNan.obj' libtool=no @AMDEPBACKSLASH@
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	set x; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
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+	      "$$@" $$unique; \
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+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
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+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+distclean-tags:
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+
+check-TESTS: $(TESTS)
+	@failed=0; all=0; xfail=0; xpass=0; skip=0; \
+	srcdir=$(srcdir); export srcdir; \
+	list=' $(TESTS) '; \
+	$(am__tty_colors); \
+	if test -n "$$list"; then \
+	  for tst in $$list; do \
+	    if test -f ./$$tst; then dir=./; \
+	    elif test -f $$tst; then dir=; \
+	    else dir="$(srcdir)/"; fi; \
+	    if $(TESTS_ENVIRONMENT) $${dir}$$tst; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *[\ \	]$$tst[\ \	]*) \
+		xpass=`expr $$xpass + 1`; \
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+	      ;; \
+	      *) \
+		col=$$grn; res=PASS; \
+	      ;; \
+	      esac; \
+	    elif test $$? -ne 77; then \
+	      all=`expr $$all + 1`; \
+	      case " $(XFAIL_TESTS) " in \
+	      *[\ \	]$$tst[\ \	]*) \
+		xfail=`expr $$xfail + 1`; \
+		col=$$lgn; res=XFAIL; \
+	      ;; \
+	      *) \
+		failed=`expr $$failed + 1`; \
+		col=$$red; res=FAIL; \
+	      ;; \
+	      esac; \
+	    else \
+	      skip=`expr $$skip + 1`; \
+	      col=$$blu; res=SKIP; \
+	    fi; \
+	    echo "$${col}$$res$${std}: $$tst"; \
+	  done; \
+	  if test "$$all" -eq 1; then \
+	    tests="test"; \
+	    All=""; \
+	  else \
+	    tests="tests"; \
+	    All="All "; \
+	  fi; \
+	  if test "$$failed" -eq 0; then \
+	    if test "$$xfail" -eq 0; then \
+	      banner="$$All$$all $$tests passed"; \
+	    else \
+	      if test "$$xfail" -eq 1; then failures=failure; else failures=failures; fi; \
+	      banner="$$All$$all $$tests behaved as expected ($$xfail expected $$failures)"; \
+	    fi; \
+	  else \
+	    if test "$$xpass" -eq 0; then \
+	      banner="$$failed of $$all $$tests failed"; \
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+	      if test "$$xpass" -eq 1; then passes=pass; else passes=passes; fi; \
+	      banner="$$failed of $$all $$tests did not behave as expected ($$xpass unexpected $$passes)"; \
+	    fi; \
+	  fi; \
+	  dashes="$$banner"; \
+	  skipped=""; \
+	  if test "$$skip" -ne 0; then \
+	    if test "$$skip" -eq 1; then \
+	      skipped="($$skip test was not run)"; \
+	    else \
+	      skipped="($$skip tests were not run)"; \
+	    fi; \
+	    test `echo "$$skipped" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$skipped"; \
+	  fi; \
+	  report=""; \
+	  if test "$$failed" -ne 0 && test -n "$(PACKAGE_BUGREPORT)"; then \
+	    report="Please report to $(PACKAGE_BUGREPORT)"; \
+	    test `echo "$$report" | wc -c` -le `echo "$$banner" | wc -c` || \
+	      dashes="$$report"; \
+	  fi; \
+	  dashes=`echo "$$dashes" | sed s/./=/g`; \
+	  if test "$$failed" -eq 0; then \
+	    echo "$$grn$$dashes"; \
+	  else \
+	    echo "$$red$$dashes"; \
+	  fi; \
+	  echo "$$banner"; \
+	  test -z "$$skipped" || echo "$$skipped"; \
+	  test -z "$$report" || echo "$$report"; \
+	  echo "$$dashes$$std"; \
+	  test "$$failed" -eq 0; \
+	else :; fi
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+	  */*) $(MKDIR_P) `echo "$$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=$(srcdir); fi; \
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+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	      find "$(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
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+
+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)
+
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+	@echo "it deletes files that may require special tools to rebuild."
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diff --git a/src/c/auxiliaryFunctions/isnan/cisnana.c b/src/c/auxiliaryFunctions/isnan/cisnana.c
new file mode 100644
index 0000000..0048400
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/cisnana.c
@@ -0,0 +1,22 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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 "isnan.h"
+
+
+void cisnana(floatComplex* in, int size, float* out){
+	int i=0;
+	
+	for (i=0;i<size;i++) out[i] = cisnans(in[i]);
+	
+}
+
diff --git a/src/c/auxiliaryFunctions/isnan/cisnans.c b/src/c/auxiliaryFunctions/isnan/cisnans.c
new file mode 100644
index 0000000..623cea0
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/cisnans.c
@@ -0,0 +1,23 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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
+ *
+ */
+
+#ifdef _WIN32
+#include <math.h>
+#endif 
+
+#include "isnan.h"
+
+
+float	cisnans(floatComplex in) {
+  if ((int)(isnan(creals(in))) && (int)(isnan(cimags(in)))) return 1;
+  return 0;
+}
diff --git a/src/c/auxiliaryFunctions/isnan/disnana.c b/src/c/auxiliaryFunctions/isnan/disnana.c
new file mode 100644
index 0000000..ad556fd
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/disnana.c
@@ -0,0 +1,22 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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 "isnan.h"
+
+
+void disnana(double* in, int size, double* out){
+	int i=0;
+	
+	for (i=0;i<size;i++) out[i] = disnans(in[i]);
+	
+}
+
diff --git a/src/c/auxiliaryFunctions/isnan/disnans.c b/src/c/auxiliaryFunctions/isnan/disnans.c
new file mode 100644
index 0000000..99b5b66
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/disnans.c
@@ -0,0 +1,23 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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
+ *
+ */
+
+
+#ifdef _WIN32
+#include <math.h>
+#endif 
+
+#include "isnan.h"
+
+double	disnans(double in) {
+  return isnan(in) ? 1 : 0;
+}
+
diff --git a/src/c/auxiliaryFunctions/isnan/sisnana.c b/src/c/auxiliaryFunctions/isnan/sisnana.c
new file mode 100644
index 0000000..3157437
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/sisnana.c
@@ -0,0 +1,22 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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 "isnan.h"
+
+
+void sisnana(float* in, int size, float* out){
+	int i=0;
+	
+	for (i=0;i<size;i++) out[i] = sisnans(in[i]);
+	
+}
+
diff --git a/src/c/auxiliaryFunctions/isnan/sisnans.c b/src/c/auxiliaryFunctions/isnan/sisnans.c
new file mode 100644
index 0000000..905890b
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/sisnans.c
@@ -0,0 +1,23 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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
+ *
+ */
+
+
+#ifdef _WIN32
+#include <math.h>
+#endif 
+
+#include "isnan.h"
+
+float	sisnans(float in) {
+  return isnan(in) ? (float)1 :(float)0;
+}
+
diff --git a/src/c/auxiliaryFunctions/isnan/testIsNan.c b/src/c/auxiliaryFunctions/isnan/testIsNan.c
new file mode 100644
index 0000000..6e14cd5
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/testIsNan.c
@@ -0,0 +1,157 @@
+/*
+ *  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
+ *
+ */
+
+/* FIXME : Must improve isnan rules and remove define. */
+#define NDEBUG
+
+#include "testIsNan.h"
+
+int sisnansTest() {
+  int result = 0;
+  float fA=0.0f;
+  float fB=0.0f;
+  float nan = fA / fB;
+  float full = 1.23456789f;
+
+  printf(">> Float \n");
+  if ((bool)sisnans(nan) == false) {
+    printf("ERROR ! : Test Failed (Must be nan)\n");
+    result = ERROR;
+  }
+  assert (sisnans(nan) == true);
+
+  if ((bool)sisnans(full) == true) {
+    printf("ERROR ! : Test Failed (Must not be nan)\n");
+    result = ERROR;
+  }
+  assert(sisnans(full) == false);
+
+  return result;
+}
+
+int disnansTest() {
+  int result = 0;
+  double dA = 0.;
+  double dB = 0.;
+  double nan = dA / dB;
+  double full = 1.456789321861;
+
+  printf(">> Double\n");
+  if ((bool)disnans(nan) == false) {
+    printf("ERROR ! : Test Failed (Must be nan)\n");
+    result = ERROR;
+  }
+  assert(disnans(nan) == true);
+
+  if ((bool)disnans(full) == true) {
+    printf("ERROR ! : Test Failed (non nan array)\n");
+    result = ERROR;
+  }
+  assert(disnans(full) == false);
+
+  return result;
+}
+
+int cisnansTest() {
+  int result = 0;
+  float fA = 0.;
+  float fB = 0.;
+  floatComplex nan_nan = FloatComplex(fA/fB, fA/fB);
+  floatComplex nan_real = FloatComplex(fA/fB, 1.123456789f);
+  floatComplex real_nan = FloatComplex(1.123456789f, fA/fB);
+  floatComplex full = FloatComplex(0.0f,1.0f);
+
+  printf(">> Float Complex\n");
+  if ((bool)cisnans(nan_nan) == false) {
+    printf("ERROR ! : Test Failed (Must be nan)\n");
+    result = ERROR;
+  }
+  assert (cisnans(nan_nan) == true);
+
+ if ((bool)cisnans(nan_real) == true) {
+    printf("ERROR ! : Test Failed (Must not be nan)\n");
+    result = ERROR;
+  }
+  assert(cisnans(nan_real) == false);
+
+ if ((bool)cisnans(real_nan) == true) {
+    printf("ERROR ! : Test Failed (Must not be nan)\n");
+    result = ERROR;
+  }
+  assert(cisnans(real_nan) == false);
+
+  if ((bool)cisnans(full) == true) {
+    printf("ERROR ! : Test Failed (Must not be nan)\n");
+    result = ERROR;
+  }
+  assert(cisnans(full) == false);
+
+
+  return result;
+}
+
+int zisnansTest() {
+  int result = 0;
+  float fA = 0.;
+  float fB = 0.;
+  floatComplex nan_nan = FloatComplex(fA/fB, fA/fB);
+  floatComplex nan_real = FloatComplex(fA/fB, 1.123456789f);
+  floatComplex real_nan = FloatComplex(1.123456789f , fA/fB);
+  floatComplex full = FloatComplex(0.0f,1.0f);
+
+  printf(">> Double Complex\n");
+  if ((bool)cisnans(nan_nan) == false) {
+    printf("ERROR ! : Test Failed (Must be nan)\n");
+    result = ERROR;
+  }
+  assert (cisnans(nan_nan) == true);
+
+ if ((bool)cisnans(nan_real) == true) {
+    printf("ERROR ! : Test Failed (Must not be nan)\n");
+    result = ERROR;
+  }
+  assert(cisnans(nan_real) == false);
+
+ if ((bool)cisnans(real_nan) == true) {
+    printf("ERROR ! : Test Failed (Must not be nan)\n");
+    result = ERROR;
+  }
+  assert(cisnans(real_nan) == false);
+
+  if ((bool)cisnans(full) == true) {
+    printf("ERROR ! : Test Failed (Must not be nan)\n");
+    result = ERROR;
+  }
+  assert(cisnans(full) == false);
+
+
+  return result;
+}
+
+
+int testIsNan() {
+  int sisnansTestStatus, disnansTestStatus = 0;
+  int cisnansTestStatus, zisnansTestStatus = 0;
+  printf("\n>>>> IsNan Tests\n");
+  sisnansTestStatus = sisnansTest();
+  disnansTestStatus = disnansTest();
+  cisnansTestStatus = cisnansTest();
+  zisnansTestStatus = zisnansTest();
+
+  return (sisnansTestStatus + disnansTestStatus +
+	  cisnansTestStatus + zisnansTestStatus);
+}
+
+int main(void) {
+  assert(testIsNan() == 0);
+  return 0;
+}
diff --git a/src/c/auxiliaryFunctions/isnan/testIsNan.h b/src/c/auxiliaryFunctions/isnan/testIsNan.h
new file mode 100644
index 0000000..ee34db8
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/testIsNan.h
@@ -0,0 +1,40 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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
+ *
+ */
+
+#ifndef __TESTISNAN_H__
+#define __TESTISNAN_H__
+
+#include <stdio.h>
+#include <assert.h>
+#include "isnan.h"
+
+#define ERROR 51
+
+int sisnansTest(void);
+
+int disnansTest(void);
+
+int cisnansTest(void);
+
+int zisnansTest(void);
+
+int sisnanaTest(void);
+
+int disnanaTest(void);
+
+int cisnanaTest(void);
+
+int zisnanaTest(void);
+
+int testIsNan(void);
+
+#endif /* ! __TESTISNAN_H__ */
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new file mode 100644
index 0000000..96df609
--- /dev/null
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@@ -0,0 +1,185 @@
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diff --git a/src/c/auxiliaryFunctions/isnan/test_IsNan/testIsNan.vcxproj.filters b/src/c/auxiliaryFunctions/isnan/test_IsNan/testIsNan.vcxproj.filters
new file mode 100644
index 0000000..7dccdb3
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@@ -0,0 +1,27 @@
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diff --git a/src/c/auxiliaryFunctions/isnan/zisnana.c b/src/c/auxiliaryFunctions/isnan/zisnana.c
new file mode 100644
index 0000000..a6a6559
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/zisnana.c
@@ -0,0 +1,22 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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 "isnan.h"
+
+
+void zisnana(doubleComplex* in, int size, double* out){
+	int i=0;
+	
+	for (i=0;i<size;i++) out[i] = zisnans(in[i]);
+	
+}
+
diff --git a/src/c/auxiliaryFunctions/isnan/zisnans.c b/src/c/auxiliaryFunctions/isnan/zisnans.c
new file mode 100644
index 0000000..95cfd97
--- /dev/null
+++ b/src/c/auxiliaryFunctions/isnan/zisnans.c
@@ -0,0 +1,21 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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
+ *
+ */
+
+#ifdef _WIN32
+#include <math.h>
+#endif 
+
+#include "isnan.h"
+
+double	zisnans(doubleComplex in) {
+  return (isnan(zreals(in)) || isnan(zimags(in)));
+}