Revert "LinearAlgebra Function Added"

12 files changed, 1670 insertions, 0 deletions

diff --git a/src/c/matrixOperations/spec/Makefile.am b/src/c/matrixOperations/spec/Makefile.am
new file mode 100644
index 0000000..90dbd0a
--- /dev/null
+++ b/src/c/matrixOperations/spec/Makefile.am
@@ -0,0 +1,70 @@
+##
+##  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
+##
+##
+
+libSpec_la_CFLAGS =	-I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+
+instdir = $(top_builddir)/lib
+
+pkglib_LTLIBRARIES = libSpec.la
+
+HEAD = ../includes/spec.h
+
+libSpec_la_SOURCES = 	$(HEAD) \
+			sspeca.c \
+			dspeca.c \
+			cspeca.c \
+			zspeca.c
+
+
+############
+##  CHECK
+############
+
+
+check_PROGRAMS = 	testDoubleSpec    testFloatSpec
+
+check_LDADD =		$(top_builddir)/src/c/type/libDoubleComplex.la \
+			$(top_builddir)/src/c/type/libFloatComplex.la \
+			$(top_builddir)/src/c/elementaryFunctions/sqrt/libSqrt.la \
+			$(top_builddir)/src/fortran/lapack/libscilapack.la \
+			$(top_builddir)/src/fortran/blas/libsciblas.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/abs/libAbs.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/conj/libConj.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/sign/libSign.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/pythag/libPythag.la \
+			$(top_builddir)/src/c/operations/addition/libAddition.la \
+			$(top_builddir)/src/c/operations/multiplication/libMultiplication.la \
+			$(top_builddir)/src/c/matrixOperations/inversion/libMatrixInversion.la\
+			$(top_builddir)/src/c/matrixOperations/zeros/libMatrixZeros.la\
+			libSpec.la
+
+check_INCLUDES =	-I $(top_builddir)/src/c/type \
+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
+testDoubleSpec_SOURCES = testDoubleSpec.c
+testDoubleSpec_LDADD = $(check_LDADD)
+testDoubleSpec_CFLAGS = $(check_INCLUDES)
+
+testFloatSpec_SOURCES = testFloatSpec.c
+testFloatSpec_LDADD = $(check_LDADD)
+testFloatSpec_CFLAGS = $(check_INCLUDES)
+
+TESTS =		testDoubleSpec   testFloatSpec
+
diff --git a/src/c/matrixOperations/spec/Makefile.in b/src/c/matrixOperations/spec/Makefile.in
new file mode 100644
index 0000000..9c34c9e
--- /dev/null
+++ b/src/c/matrixOperations/spec/Makefile.in
@@ -0,0 +1,755 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
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+host_triplet = @host@
+check_PROGRAMS = testDoubleSpec$(EXEEXT) testFloatSpec$(EXEEXT)
+TESTS = testDoubleSpec$(EXEEXT) testFloatSpec$(EXEEXT)
+subdir = src/c/matrixOperations/spec
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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+am__aclocal_m4_deps = $(top_srcdir)/configure.ac
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+	$(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
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+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(testFloatSpec_CFLAGS) \
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+			-I $(top_builddir)/src/c/matrixOperations/includes \
+			-I $(top_builddir)/src/c/operations/includes \
+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
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+			sspeca.c \
+			dspeca.c \
+			cspeca.c \
+			zspeca.c
+
+check_LDADD = $(top_builddir)/src/c/type/libDoubleComplex.la \
+			$(top_builddir)/src/c/type/libFloatComplex.la \
+			$(top_builddir)/src/c/elementaryFunctions/sqrt/libSqrt.la \
+			$(top_builddir)/src/fortran/lapack/libscilapack.la \
+			$(top_builddir)/src/fortran/blas/libsciblas.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/abs/libAbs.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/conj/libConj.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/sign/libSign.la \
+			$(top_builddir)/src/c/auxiliaryFunctions/pythag/libPythag.la \
+			$(top_builddir)/src/c/operations/addition/libAddition.la \
+			$(top_builddir)/src/c/operations/multiplication/libMultiplication.la \
+			$(top_builddir)/src/c/matrixOperations/inversion/libMatrixInversion.la\
+			$(top_builddir)/src/c/matrixOperations/zeros/libMatrixZeros.la\
+			libSpec.la
+
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+			-I $(top_builddir)/src/c/matrixOperations/includes \
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+			-I $(top_builddir)/src/c/elementaryFunctions/includes\
+			-I $(top_builddir)/src/c/auxiliaryFunctions/includes
+
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diff --git a/src/c/matrixOperations/spec/cspeca.c b/src/c/matrixOperations/spec/cspeca.c
new file mode 100644
index 0000000..a2b6548
--- /dev/null
+++ b/src/c/matrixOperations/spec/cspeca.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 <stdlib.h>
+#include "spec.h"
+
+
+
+void cspeca(floatComplex* in, int rows, floatComplex* out){
+	/* As we use Lapack to find the eigenvalues, we must cast the floatComplex input into doubleComplex
+	and the doubleComplex output of dspeca into floatComplex*/
+	
+	int i;
+	doubleComplex* dblin;
+	doubleComplex* dblout;
+	
+	dblin=(doubleComplex*)malloc((unsigned int)(rows*rows)*sizeof(doubleComplex));
+	dblout=(doubleComplex*)malloc((unsigned int)rows*sizeof(doubleComplex));
+	
+	for (i=0;i<rows*rows;i++) dblin[i]=DoubleComplex((double)creals(in[i]),(double)cimags(in[i]));
+	
+	zspeca(dblin,rows,dblout);
+	
+	for (i=0;i<rows;i++) out[i]=FloatComplex((float)zreals(dblout[i]),(float)zimags(dblout[i]));
+}
diff --git a/src/c/matrixOperations/spec/dspeca.c b/src/c/matrixOperations/spec/dspeca.c
new file mode 100644
index 0000000..1131ecf
--- /dev/null
+++ b/src/c/matrixOperations/spec/dspeca.c
@@ -0,0 +1,71 @@
+/*
+ *  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 <stdlib.h>
+#include "spec.h"
+#include "lapack.h"
+#include "zeros.h"
+#include "max.h"
+
+void dspeca(double* in, int rows,double* out){
+	int i=0, j=0;
+	int symmetric=0;
+	int INFO=0;
+	int iWorkSize = 0;
+	double* pdblWork;
+	double* outReal;
+	double* outImag;
+	double* pdblLeftvectors;
+	double* pdblRightvectors;
+	double* inCopy;
+	
+	inCopy = (double*)malloc((unsigned int)(rows*rows) * sizeof(double));
+	outReal = (double*)malloc((unsigned int)rows * sizeof(double));
+	outImag = (double*)malloc((unsigned int)rows * sizeof(double));
+	pdblLeftvectors=NULL;
+	pdblRightvectors=NULL;
+	
+	
+	iWorkSize = 3*rows;
+	pdblWork = (double*)malloc((unsigned int)iWorkSize * sizeof(double));
+	
+	for(i=0;i<rows*rows;i++) inCopy[i]=in[i];
+	/* look if the matrix is symmetric */
+	for (i=0;i<rows;i++)
+		for (j=0;j<rows;j++) 
+			if (in[i*rows+j]!=in[i+j*rows]) break;
+	
+	/* the matrix is symmetric if the 2 loops goes to end i.e
+		i==rows and j==rows */
+	if ((i==rows)&&(j==rows)) symmetric=1;
+	
+	
+	/* apply lapack function according to symmetry */
+	if(symmetric){		
+		C2F(dsyev)( "N", "U", &rows, in, &rows, outReal, pdblWork, &iWorkSize, &INFO );
+	}
+	else {
+		C2F(dgeev)( "N", "N", &rows, inCopy, &rows, outReal, outImag,
+        			pdblLeftvectors, &rows, pdblRightvectors, &rows, pdblWork, &iWorkSize, &INFO );
+	}
+	
+	for (i=0;i<rows;i++) out[i]=outReal[i];
+
+
+	free(inCopy);
+	free(outReal);
+	free(outImag);
+	free(pdblWork);
+	free(pdblLeftvectors);
+	free(pdblRightvectors);
+}
+
diff --git a/src/c/matrixOperations/spec/sspeca.c b/src/c/matrixOperations/spec/sspeca.c
new file mode 100644
index 0000000..50751a2
--- /dev/null
+++ b/src/c/matrixOperations/spec/sspeca.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 <stdlib.h>
+#include "spec.h"
+
+
+
+void sspeca(float* in, int rows, float* out){
+	/* As we use Lapack to find the eigenvalues, we must cast the float input into double
+	and the doubleComplex output of dspeca into floatComplex*/
+	
+	int i;
+	double* dblin;
+	double* dblout;
+	
+	dblin=(double*)malloc((unsigned int)(rows*rows)*sizeof(double));
+	dblout=(double*)malloc((unsigned int)rows*sizeof(double));
+	
+	for (i=0;i<rows*rows;i++) dblin[i]=(double)in[i];
+	
+	dspeca(dblin,rows,dblout);
+	
+	for (i=0;i<rows;i++) out[i]=(float)dblout[i];
+}
diff --git a/src/c/matrixOperations/spec/testDoubleSpec.c b/src/c/matrixOperations/spec/testDoubleSpec.c
new file mode 100644
index 0000000..25c8806
--- /dev/null
+++ b/src/c/matrixOperations/spec/testDoubleSpec.c
@@ -0,0 +1,116 @@
+/*
+ *  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 <stdlib.h>
+#include "spec.h" 
+#include "stdio.h"
+#include "assert.h"
+#include "math.h"
+
+static void dspecaTest(void){
+	double in[4]={1,1,1,3};
+	double resultR[2]={0.5857864376269050765700,3.4142135623730949234300};
+
+
+	double *out;
+	
+	int i;
+	
+	out=(double*)malloc((unsigned int)2*sizeof(double));
+		
+	dspeca(in,2,out);
+	for(i=0;i<2;i++){
+		if (out[i]>1e-16)  assert( fabs(out[i]-resultR[i]) / fabs(out[i]) <3e-16);
+		else assert(1);
+	}
+	
+}
+
+
+
+	
+static void zspecaTest(void){
+	double inR[4]={1,1,1,3};	
+	double inI[4]={0,0,0,0};
+	double resultR[2]={0.5857864376269050765700,3.4142135623730949234300};
+	double resultI[2]={0,0};
+	
+	double in2R[4]={1,1,-2,3};
+	double in2I[4]={0,0,0,0};
+	double result2R[2]={1.9999999999999997779554,1.9999999999999997779554};
+	double result2I[2]={0.9999999999999997779554,-0.9999999999999997779554};
+	
+	double in3R[16]={0.0603054538369178771973,0.631347181741148233414 ,0.0241030259057879447937,0.1527438252232968807221,
+	0.9481177683919668197632,0.2744265575893223285675,0.4794727200642228126526,0.485576837789267301559,
+	0.676400367170572280884,0.8321249918080866336823,0.0125875836238265037537,0.5453779897652566432953,
+	0.8426716942340135574341,0.9029165101237595081329,0.4409482078626751899719,0.8332359003834426403046 };
+	double in3I[16]={0.7233976423740386962891,0.4377150186337530612946,0.3080607382580637931824,0.8749813153408467769623,
+	0.5355882328003644943237 ,0.3085998897440731525421,0.3354632416740059852600,0.2342486302368342876434,
+	0.2589411698281764984131,0.8521509231068193912506,0.4821739485487341880798,0.6095217890106141567230,
+	0.9872822705656290054321,0.9811426815576851367950,0.3303113700821995735169,0.3589145573787391185761};
+	double result3R[4]={1.9486046375762748894545,0.2315060459861970343365,- 0.7694743345806510648188,- 0.2300808535483104266817};
+ 	double result3I[4]={2.1242015857341254303492,- 0.4115101262891645017561,- 0.1980716835789462781925,0.3584662621795701720195};
+ 	
+	doubleComplex *in,*in2,*in3,out[2],out2[4];
+	
+	int i;
+	
+	in=DoubleComplexMatrix(inR,inI,4);
+	in2=DoubleComplexMatrix(in2R,in2I,4);
+	in3=DoubleComplexMatrix(in3R,in3I,16);
+	
+	zspeca(in,2,out);
+	for(i=0;i<2;i++){
+		if (zreals(out[i])>1e-16)  assert( fabs(zreals(out[i])-resultR[i]) / fabs(zreals(out[i])) <3e-16);
+		else assert(1);
+		if (zimags(out[i])>1e-16)  assert( fabs(zimags(out[i])-resultI[i]) / fabs(zimags(out[i])) <1e-16);
+		else assert(1);
+	}
+	
+	
+	zspeca(in2,2,out);	
+	for(i=0;i<2;i++){
+		if (zreals(out[i])>1e-16)  assert( fabs(zreals(out[i])-result2R[i]) / fabs(zreals(out[i])) <3e-16);
+		else assert(1);
+		if (zimags(out[i])>1e-16)  assert( fabs(zimags(out[i])-result2I[i]) / fabs(zimags(out[i])) <3e-15);
+		else assert(1);
+	}	
+	
+	
+	zspeca(in3,4,out2);	
+	for(i=0;i<4;i++){
+		if (zreals(out2[i])>1e-16)  assert( fabs(zreals(out2[i])-result3R[i]) / fabs(zreals(out2[i])) <3e-15);
+		else assert(1);
+		if (zimags(out2[i])>1e-16)  assert( fabs(zimags(out2[i])-result3I[i]) / fabs(zimags(out2[i])) <3e-15);
+		else assert(1);
+	}	
+	
+	
+}
+
+
+static int testSpec(void){
+	printf(">>> Double Spec Tests <<<\n");
+	printf(">>> Double <<<\n");
+	dspecaTest();
+	printf(">>> DoubleComplex <<<\n");
+	zspecaTest();
+	return 0;
+}
+
+
+int main(void){
+	assert (testSpec()==0);
+
+	
+	return 0;
+}
diff --git a/src/c/matrixOperations/spec/testFloatSpec.c b/src/c/matrixOperations/spec/testFloatSpec.c
new file mode 100644
index 0000000..9bd46ad
--- /dev/null
+++ b/src/c/matrixOperations/spec/testFloatSpec.c
@@ -0,0 +1,110 @@
+/*
+ *  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 <stdlib.h>
+#include "spec.h" 
+#include "stdio.h"
+#include "assert.h"
+#include "math.h"
+
+static void sspecaTest(void){
+	float in[4]={1.0f,1.0f,1.0f,3.0f};
+	float resultR[2]={0.5857864376269050765700f,3.4142135623730949234300f};
+
+	float in1[4]={0.0f,4.0f,1.0f,0.0f};
+	float result[2]={2.0f,-2.0f};
+	
+	float in2[4]={1.0f,1.0f,-2.0f,3.0f};
+	
+	float *out;
+	
+	int i;
+	
+	out=(float *)malloc((unsigned int)2*sizeof(float));
+		
+	sspeca(in,2,out);
+	for (i=0;i<2;i++)	printf("%f\n",out[i]);
+	for(i=0;i<2;i++){
+		if (out[i]>1e-16)  assert( fabs(out[i]-resultR[i]) / fabs(out[i]) <1e-16);
+		else assert(1);
+	}	
+	
+			
+	sspeca(in1,2,out);
+	for (i=0;i<2;i++)	printf("%f\n",out[i]);
+	for(i=0;i<2;i++){
+		if (out[i]>1e-16)  assert( fabs(out[i]-result[i]) / fabs(out[i]) <1e-16);
+		else assert(1);
+	}	
+	
+	sspeca(in2,2,out);
+	for (i=0;i<2;i++)	printf("%f\n",out[i]);
+
+}
+
+	
+static void cspecaTest(void){
+	float inR[4]={1.0f,1.0f,1.0f,3.0f};	
+	float inI[4]={0.0f,0.0f,0.0f,0.0f};
+	float resultR[2]={0.5857864376269050765700f,3.4142135623730949234300f};
+	float resultI[2]={0,0};
+	
+	float in2R[4]={1.0f,1.0f,-2.0f,3.0f};
+	float in2I[4]={0.0f,0.0f,0.0f,0.0f};
+	float result2R[2]={1.9999999999999997779554f,1.9999999999999997779554f};
+	float result2I[2]={0.9999999999999997779554f,-0.9999999999999997779554f};
+	
+	floatComplex *in,*in2,out[4];
+	
+	int i;
+	
+	in=FloatComplexMatrix(inR,inI,4);
+	in2=FloatComplexMatrix(in2R,in2I,4);
+	
+	cspeca(in,2,out);
+	for(i=0;i<2;i++){
+		if (creals(out[i])>1e-16)  assert( fabs(creals(out[i])-resultR[i]) / fabs(creals(out[i])) <1e-15);
+		else assert(1);
+		if (cimags(out[i])>1e-16)  assert( fabs(cimags(out[i])-resultI[i]) / fabs(cimags(out[i])) <1e-16);
+		else assert(1);
+	}
+	
+	
+	cspeca(in2,2,out);	
+	for(i=0;i<2;i++){
+		if (creals(out[i])>1e-16)  assert( fabs(creals(out[i])-result2R[i]) / fabs(creals(out[i])) <1e-15);
+		else assert(1);
+		if (cimags(out[i])>1e-16)  assert( fabs(cimags(out[i])-result2I[i]) / fabs(cimags(out[i])) <1e-15);
+		else assert(1);
+	}	
+	
+}
+
+
+
+
+static int testSpec(void){
+	printf(">>> Float Spec Tests <<<\n");
+	printf(">>> Float <<<\n");
+	sspecaTest();
+	printf(">>> FloatComplex <<<\n");
+	cspecaTest();
+	return 0;
+}
+
+
+int main(void){
+	assert (testSpec()==0);
+
+	
+	return 0;
+}
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new file mode 100644
index 0000000..f696bff
--- /dev/null
+++ b/src/c/matrixOperations/spec/test_DoubleSpec/testDoubleSpec.vcxproj
@@ -0,0 +1,178 @@
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new file mode 100644
index 0000000..dcdaea5
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new file mode 100644
index 0000000..0631bb4
--- /dev/null
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index 0000000..2ba2e59
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diff --git a/src/c/matrixOperations/spec/zspeca.c b/src/c/matrixOperations/spec/zspeca.c
new file mode 100644
index 0000000..a2b1c25
--- /dev/null
+++ b/src/c/matrixOperations/spec/zspeca.c
@@ -0,0 +1,80 @@
+/*
+ *  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 <stdlib.h>
+#include "spec.h"
+#include "lapack.h"
+#include "zeros.h"
+#include "conj.h"
+
+void zspeca(doubleComplex* in, int rows,doubleComplex* out){
+	int i = 0, j = 0;
+	int hermitian = 0;
+	int INFO = 0;
+	int iWorkSize = 0;
+	doubleComplex* pdblWork;
+	doubleComplex* pdblLeftvectors;
+	doubleComplex* pdblRightvectors;
+	doubleComplex* pdblRWork;
+	double* outReal;
+	double* outImag;
+	doubleComplex* inCopy;
+	
+	inCopy = (doubleComplex*)malloc((unsigned int)(rows*rows) * sizeof(doubleComplex));
+	outReal = (double*)malloc((unsigned int)rows * sizeof(double));
+	outImag = (double*)malloc((unsigned int)rows * sizeof(double));
+	pdblLeftvectors=NULL;
+	pdblRightvectors=NULL;
+	
+	iWorkSize = 2*rows;
+	pdblWork = (doubleComplex*)malloc((unsigned int)iWorkSize * sizeof(doubleComplex));
+	pdblRWork = (doubleComplex*)malloc((unsigned int)(3*rows) * sizeof(doubleComplex));	
+	
+	for(i=0;i<rows*rows;i++) inCopy[i]=DoubleComplex(zreals(in[i]),zimags(in[i]));
+	
+	/* look if the matrix is symmetric */
+	for (i=0;i<rows;i++){
+		for (j=0;j<rows;j++) 
+			if ( (zreals(in[i*rows+j])!=zreals(zconjs(in[i+j*rows]))) ||
+			     (zimags(in[i*rows+j])!=zimags(zconjs(in[i+j*rows])))  )
+			     break;
+		if (j!=rows) break;
+	}
+		
+	
+	/* the matrix is symmetric if the 2 loops goes to end i.e
+		i==rows and j==rows */
+	if ((i==rows)&&(j==rows)) hermitian=1;
+
+	
+	/* apply lapack function according to symmetry */
+	if(hermitian){
+		C2F(zheev)( "N", "U", &rows, inCopy, &rows, outReal, pdblWork, &iWorkSize, outImag, &INFO );
+		dzerosa(outImag,1,rows);
+		for (i=0;i<rows;i++) out[i]=DoubleComplex(outReal[i],outImag[i]);
+	}
+	else {
+		C2F(zgeev)( "N", "N", &rows, inCopy, &rows, out, 
+		pdblLeftvectors, &rows, pdblRightvectors, &rows, pdblWork, &iWorkSize,
+		pdblRWork, &INFO );
+	}
+	
+
+
+	free(inCopy);
+	free(outReal);
+	free(outImag);
+	free(pdblWork);
+	free(pdblRWork);
+	free(pdblLeftvectors);
+	free(pdblRightvectors);
+}