From: Ramasamy <ram.kannan@samsung.com>
Date: Mon, 16 Jun 2014 09:54:07 +0000 (+0530)
Subject: Adding matrix class implementation
X-Git-Tag: submit/tizen/20150113.012540~164
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F33%2F23033%2F5;p=platform%2Fcore%2Fsystem%2Fsensord.git

Adding matrix class implementation

- Adding matrix template class implementation
- Adding matrix class testing code

Code Contributed by : Gurleen Kaur

signed-off-by: Ramasamy <ram.kannan@samsung.com>
Change-Id: Iadee665910db4e7d53ca55eabf2744cc81ec747e
---

diff --git a/src/sensor_fusion/standalone/util/matrix.cpp b/src/sensor_fusion/standalone/util/matrix.cpp
index 3544252..b6841ac 100755
--- a/src/sensor_fusion/standalone/util/matrix.cpp
+++ b/src/sensor_fusion/standalone/util/matrix.cpp
@@ -17,101 +17,237 @@
  *
  */
 
-#include <matrix.h>
+#ifdef _MATRIX_H
 
 template <typename TYPE>
 matrix<TYPE>::matrix(void)
 {
-
+	m_mat = NULL;
 }
 
 template <typename TYPE>
 matrix<TYPE>::matrix(const int rows, const int cols)
 {
+	m_rows = rows;
+	m_cols = cols;
+	m_mat = NULL;
+	m_mat = new TYPE *[m_rows];
 
+	for (int i = 0; i < m_rows; i++)
+		m_mat[i] = new TYPE [m_cols];
 }
 
 template <typename TYPE>
-matrix<TYPE>::matrix(const int rows, const int cols, TYPE **mat_data)
+matrix<TYPE>::matrix(const matrix<TYPE>& m)
 {
+	m_rows = m.m_rows;
+	m_cols = m.m_cols;
+	m_mat = NULL;
+	m_mat = new TYPE *[m_rows];
+
+	for (int i = 0; i < m_rows; i++)
+		m_mat[i] = new TYPE [m_cols];
 
+	for (int p = 0; p < m_rows; p++)
+		for (int q = 0; q < m_cols; q++)
+			m_mat[p][q] = m.m_mat[p][q];
 }
 
 template <typename TYPE>
-matrix<TYPE>::matrix(const matrix<TYPE>& m)
+matrix<TYPE>::matrix(const int rows, const int cols, TYPE *mat_data)
 {
+	m_rows = rows;
+	m_cols = cols;
+	m_mat = NULL;
+	m_mat = new TYPE *[m_rows];
+
+	for (int i = 0; i < m_rows; i++)
+		m_mat[i] = new TYPE [m_cols];
 
+	for (int i = 0; i < m_rows; i++)
+		for (int j = 0; j < m_cols; j++)
+			m_mat[i][j] = *mat_data++;
 }
 
 template <typename TYPE>
 matrix<TYPE>::~matrix()
 {
-
+	for (int i = 0; i < m_rows; i++)
+		delete[] m_mat[i];
+	delete[] m_mat;
 }
 
 template <typename TYPE>
 matrix<TYPE> matrix<TYPE>::operator =(const matrix<TYPE>& m)
 {
+	if (this == &m)
+	{
+		return *this;
+	}
+
+	for (int i = 0; i < m_rows; i++)
+		delete[] m_mat[i];
+	delete[] m_mat;
+
+	m_rows = m.m_rows;
+	m_cols = m.m_cols;
+	m_mat = new TYPE *[m_rows];
+
+	for (int i = 0; i < m_rows; i++)
+		m_mat[i] = new TYPE [m_cols];
 
+	for (int p = 0; p < m_rows; p++)
+		for (int q = 0; q < m_cols; q++)
+			m_mat[p][q] = m.m_mat[p][q];
+
+	return *this;
 }
 
-template <typename TYPE>
-matrix<TYPE> operator +(const matrix<TYPE> m1, const matrix<TYPE> m2)
+template <typename T>
+ostream& operator <<(ostream& dout, matrix<T>& m)
 {
-
+	for (int i = 0; i < m.m_rows; i++)
+	{
+		for (int j = 0; j < m.m_cols; j++)
+		{
+			dout << m.m_mat[i][j] << "\t";
+		}
+		dout << endl;
+	}
+	return dout;
 }
 
-template <typename TYPE>
-matrix<TYPE> operator +(const matrix<TYPE> m, const TYPE val)
+template <typename T>
+matrix<T> operator +(const matrix<T> m1, const matrix<T> m2)
 {
+	assert(m1.m_rows == m2.m_rows);
+	assert(m1.m_cols == m2.m_cols);
+
+	matrix<T> m3(m1.m_rows, m1.m_cols);
 
+	for (int i = 0; i < m1.m_rows; i++)
+		for (int j = 0; j < m1.m_cols; j++)
+			m3.m_mat[i][j] = m1.m_mat[i][j] + m2.m_mat[i][j];
+
+	return m3;
 }
 
-template <typename TYPE>
-matrix<TYPE> operator -(const matrix<TYPE> m1, const matrix<TYPE> m2)
+template <typename T>
+matrix<T> operator +(const matrix<T> m, const T val)
 {
+	matrix<T> m1(m.m_rows, m.m_cols);
 
+	for (int i = 0; i < m.m_rows; i++)
+		for (int j = 0; j < m.m_cols; j++)
+			m1.m_mat[i][j] = m.m_mat[i][j] + val;
+
+	return m1;
 }
 
-template <typename TYPE>
-matrix<TYPE> operator -(const matrix<TYPE> m, const TYPE val)
+template <typename T>
+matrix<T> operator -(const matrix<T> m1, const matrix<T> m2)
 {
+	assert(m1.m_rows == m2.m_rows);
+	assert(m1.m_cols == m2.m_cols);
 
+	matrix<T> m3(m1.m_rows, m1.m_cols);
+
+	for (int i = 0; i < m1.m_rows; i++)
+		for (int j = 0; j < m1.m_cols; j++)
+			m3.m_mat[i][j] = m1.m_mat[i][j] - m2.m_mat[i][j];
+
+	return m3;
 }
 
-template <typename TYPE>
-matrix<TYPE> operator *(const matrix<TYPE> m1, const matrix<TYPE> m2)
+template <typename T>
+matrix<T> operator -(const matrix<T> m, const T val)
 {
+	matrix<T> m1(m.m_rows, m.m_cols);
 
+	for (int i = 0; i < m.m_rows; i++)
+		for (int j = 0; j < m.m_cols; j++)
+			m1.m_mat[i][j] = m.m_mat[i][j] - val;
+
+	return m1;
 }
 
-template <typename TYPE>
-matrix<TYPE> operator *(const matrix<TYPE> m, const TYPE val)
+template <typename T>
+matrix<T> operator *(const matrix<T> m1, const matrix<T> m2)
 {
+	assert(m1.m_rows == m2.m_cols);
+	assert(m1.m_cols == m2.m_rows);
 
+	matrix<T> m3(m1.m_rows, m2.m_cols);
+
+	for (int i = 0; i < m1.m_rows; i++)
+	{
+		for (int j = 0; j < m2.m_cols; j++)
+		{
+			m3.m_mat[i][j] = 0;
+			for (int k = 0; k < m2.m_rows; k++)
+				m3.m_mat[i][j] += m1.m_mat[i][k] * m2.m_mat[k][j];
+		}
+	}
+
+	return m3;
 }
 
-template <typename TYPE>
-matrix<TYPE> operator /(const matrix<TYPE> m1, const matrix<TYPE> m2)
+template <typename T>
+matrix<T> operator *(const matrix<T> m, const T val)
 {
+	matrix<T> m1(m.m_rows, m.m_cols);
+
+	for (int i = 0; i < m.m_rows; i++)
+		for (int j = 0; j < m.m_cols; j++)
+			m1.m_mat[i][j] = m.m_mat[i][j] * val;
 
+	return m1;
 }
 
-template <typename TYPE>
-bool operator ==(const matrix<TYPE> m1, const matrix<TYPE> m2)
+template <typename T>
+matrix<T> operator /(const matrix<T> m1, const T val)
 {
+	matrix<T> m3(m1.m_rows, m1.m_cols);
+
+	for (int i = 0; i < m1.m_rows; i++)
+		for (int j = 0; j < m1.m_cols; j++)
+			m3.m_mat[i][j] = m1.m_mat[i][j] / val;
 
+	return m3;
 }
 
-template <typename TYPE>
-bool operator !=(const matrix<TYPE> m1, const matrix<TYPE> m2)
+template <typename T>
+bool operator ==(const matrix<T> m1, const matrix<T> m2)
 {
+	if ((m1.m_rows == m2.m_rows) && (m1.m_cols == m2.m_cols))
+	{
+		for (int i = 0; i < m1.m_rows; i++)
+			for (int j = 0; j < m2.m_cols; j++)
+				if (m1.m_mat[i][j] != m2.m_mat[i][j])
+					return false;
+	}
+	else
+		return false;
 
+	return true;
 }
 
+template <typename T>
+bool operator !=(const matrix<T> m1, const matrix<T> m2)
+{
+	return (!(m1 == m2));
+}
 
-template <typename TYPE>
-matrix<TYPE> matrix<TYPE>::transpose(const matrix<TYPE> m)
+template <typename T>
+matrix<T> transpose(const matrix<T> m)
 {
+	matrix<T> m1(m.m_cols, m.m_rows);
 
+	for (int i = 0; i < m.m_rows; i++)
+		for (int j = 0; j < m.m_cols; j++)
+			m1.m_mat[j][i] = m.m_mat[i][j];
+
+	return m1;
 }
+
+#endif //_MATRIX_H
diff --git a/src/sensor_fusion/standalone/util/matrix.h b/src/sensor_fusion/standalone/util/matrix.h
index 7b95d98..0f01f5e 100755
--- a/src/sensor_fusion/standalone/util/matrix.h
+++ b/src/sensor_fusion/standalone/util/matrix.h
@@ -20,6 +20,10 @@
 #ifndef _MATRIX_H
 #define _MATRIX_H
 
+#include <assert.h>
+#include <iostream>
+using namespace std;
+
 template <typename TYPE>
 class matrix {
 public:
@@ -29,23 +33,35 @@ public:
 
 	matrix(void);
 	matrix(const int rows, const int cols);
-	matrix(const int rows, const int cols, TYPE **mat_data);
+	matrix(const int rows, const int cols, TYPE *mat_data);
 	matrix(const matrix<TYPE>& m);
 	~matrix();
 
 	matrix<TYPE> operator =(const matrix<TYPE>& m);
 
-	friend matrix<TYPE> operator +(const matrix<TYPE> m1, const matrix<TYPE> m2);
-	friend matrix<TYPE> operator +(const matrix<TYPE> m, const TYPE val);
-	friend matrix<TYPE> operator -(const matrix<TYPE> m1, const matrix<TYPE> m2);
-	friend matrix<TYPE> operator -(const matrix<TYPE> m, const TYPE val);
-	friend matrix<TYPE> operator *(const matrix<TYPE> m1, const matrix<TYPE> m2);
-	friend matrix<TYPE> operator *(const matrix<TYPE> m, const TYPE val);
-	friend matrix<TYPE> operator /(const matrix<TYPE> m1, const matrix<TYPE> m2);
-	friend bool operator ==(const matrix<TYPE> m1, const matrix<TYPE> m2);
-	friend bool operator !=(const matrix<TYPE> m1, const matrix<TYPE> m2);
-
-	friend matrix<TYPE> transpose(const matrix<TYPE> m);
+	template<typename T> friend ostream& operator << (ostream& dout,
+			matrix<T>& m);
+	template<typename T> friend matrix<T> operator +(const matrix<T> m1,
+			const matrix<T> m2);
+	template<typename T> friend matrix<T> operator +(const matrix<T> m,
+			const T val);
+	template<typename T> friend matrix<T> operator -(const matrix<T> m1,
+			const matrix<T> m2);
+	template<typename T> friend matrix<T> operator -(const matrix<T> m,
+			const T val);
+	template<typename T> friend matrix<T> operator *(const matrix<T> m1,
+			const matrix<T> m2);
+	template<typename T> friend matrix<T> operator *(const matrix<T> m,
+			const T val);
+	template<typename T> friend matrix<T> operator /(const matrix<T> m1,
+			 const T val);
+	template<typename T> friend bool operator ==(const matrix<T> m1,
+			const matrix<T> m2);
+	template<typename T> friend bool operator !=(const matrix<T> m1,
+			const matrix<T> m2);
+	template<typename T> friend matrix<T> transpose(const matrix<T> m);
 };
 
+#include "matrix.cpp"
+
 #endif  //_MATRIX_H
diff --git a/src/sensor_fusion/standalone/util/test/matrix_test/.cproject b/src/sensor_fusion/standalone/util/test/matrix_test/.cproject
new file mode 100644
index 0000000..1e6728f
--- /dev/null
+++ b/src/sensor_fusion/standalone/util/test/matrix_test/.cproject
@@ -0,0 +1,112 @@
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+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileC"/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.exe.debug.1947039627;cdt.managedbuild.config.gnu.exe.debug.1947039627.;cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug.2032678345;cdt.managedbuild.tool.gnu.cpp.compiler.input.166865979">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileCPP"/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.exe.release.42230887;cdt.managedbuild.config.gnu.exe.release.42230887.;cdt.managedbuild.tool.gnu.cpp.compiler.exe.release.1437975361;cdt.managedbuild.tool.gnu.cpp.compiler.input.1222094860">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileCPP"/>
+		</scannerConfigBuildInfo>
+		<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.exe.debug.1947039627;cdt.managedbuild.config.gnu.exe.debug.1947039627.;cdt.managedbuild.tool.gnu.c.compiler.exe.debug.1525120259;cdt.managedbuild.tool.gnu.c.compiler.input.1789010595">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileC"/>
+		</scannerConfigBuildInfo>
+	</storageModule>
+</cproject>
diff --git a/src/sensor_fusion/standalone/util/test/matrix_test/.project b/src/sensor_fusion/standalone/util/test/matrix_test/.project
new file mode 100644
index 0000000..3d8db3d
--- /dev/null
+++ b/src/sensor_fusion/standalone/util/test/matrix_test/.project
@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>matrix_test</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+				<dictionary>
+					<key>?name?</key>
+					<value></value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.append_environment</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.autoBuildTarget</key>
+					<value>all</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.buildArguments</key>
+					<value></value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.buildCommand</key>
+					<value>make</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.buildLocation</key>
+					<value>${workspace_loc:/matrix_test/Debug}</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.cleanBuildTarget</key>
+					<value>clean</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.contents</key>
+					<value>org.eclipse.cdt.make.core.activeConfigSettings</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.enableAutoBuild</key>
+					<value>false</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.enableCleanBuild</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.enableFullBuild</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.fullBuildTarget</key>
+					<value>all</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.stopOnError</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.useDefaultBuildCmd</key>
+					<value>true</value>
+				</dictionary>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.tizen.nativecpp.apichecker.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.core.ccnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+		<nature>org.tizen.nativecpp.apichecker.core.tizenCppNature</nature>
+	</natures>
+</projectDescription>
diff --git a/src/sensor_fusion/standalone/util/test/matrix_test/matrix_main.cpp b/src/sensor_fusion/standalone/util/test/matrix_test/matrix_main.cpp
new file mode 100644
index 0000000..f7cbf80
--- /dev/null
+++ b/src/sensor_fusion/standalone/util/test/matrix_test/matrix_main.cpp
@@ -0,0 +1,140 @@
+/*
+ * sensord
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "../../matrix.h"
+
+int main()
+{
+	float arr0[2][2] = {{-2.243, 2.57},{3.56, -3.02}};
+	float arr1[2][2] = {{2.2, 2.5},{3.5, 3.0}};
+	float arr5[3][2] = {{0.22, 4.56}, {3.652, 5.86}, {1.430, 0.45}};
+	float arr11[1][3] = {{2.0, 3.0, 4.0}};
+	float arr12[3][1] = {{2.0}, {1.0}, {3.0}};
+	float arr15[2][3] = {{20.0, -40.0, 10.0}, {36.0, 52.0, -55.0}};
+	float arr3[3][3] = {{20.2, 40.5, 10.0}, {3.6, 52.0, 5.5}, {1.0, 45.5, 66.6}};
+	float arr4[3][3] = {{2.24, 0.5, 0.023}, {3.675, 5.32, 0.556}, {1.023, 45.75, 621.6}};
+	float arr8[3][3] = {{4.75, 0.65, 0.123}, {0.075, 5.302, 0.56}, {1.113, 0.475, 2.362}};
+
+	matrix<float> m1(2, 2, (float *) arr0);
+	matrix<float> m2(2, 2, (float *) arr1);
+	matrix<float> m3(2, 2);
+	matrix<float> m10(3, 3, (float *) arr3);
+	matrix<float> m11(3, 2, (float *) arr5);
+	matrix<float> m6(3, 3);
+	matrix<float> m13(3, 2);
+	matrix<float> m12(3, 3, (float *) arr4);
+	matrix<float> m15(3, 3, (float *) arr8);
+	matrix<float> m20(1, 3, (float *) arr11);
+	matrix<float> m21(3, 1, (float *) arr12);
+	matrix<float> m22(2, 3, (float *) arr15);
+
+	cout<<"Addition\n";
+	m6 = m10 + m15;
+	m13 = m11 + m11;
+	cout<< "\n" << m10 <<"\n"<< m15;
+	cout<< "\nSum:\n" << m6 << endl;
+	cout<< "\n" << m11 << "\n"<< m11;
+	cout<< "\nSum:\n" << m13 << endl;
+
+	cout<< "\n\n\nSubtraction\n";
+	m6 = m10 - m12;
+	cout<< "\n" << m10 << "\n" << m12;
+	cout<< "\nDifference:\n" << m6 << endl;
+
+	cout<< "\n\n\nMultiplication\n";
+	m6 = m10 * m12;
+	m3 = m1 * m2;
+	matrix<float> m7(m20.m_rows, m21.m_cols);
+	m7 = m20 * m21;
+	cout<< "\n" << m10 << "\n" << m12;
+	cout<< "\nProduct:\n" << m6 << endl;
+	cout<< "\n" << m1 << "\n" << m2;
+	cout<< "\nProduct:\n" << m3 << endl;
+	cout<< "\n" << m20 << "\n" << m21;
+	cout<< "\nProduct:\n" << m7 << endl;
+
+	cout<< "\n\n\nDivision\n";
+	m3 = m1 / (float)2.5;
+	cout<< "\n" << m1 << "\n" << "2.5";
+	cout<< "\nResult:\n" << m3 << endl;
+	m6 = m12 / (float)0.125;
+	cout<< "\n" << m12 << "\n" << ".125";
+	cout<< "\nResult:\n" << m6 << endl;
+
+	float num = 5.5650;
+	float num1 = -2.32;
+	cout<< "\n\n\nScalar addition\n";
+	m3 = m2 + num;
+	m6 = m10 + num1;
+	cout<< "\nNumber added:" << num;
+	cout<< "\n\n" << m2;
+	cout<< "\nResult:\n\n" << m3;
+	cout<< "\nNumber added:" << num1;
+	cout<< "\n\n" << m10;
+	cout<< "\nResult:\n\n" << m6;
+
+	float x = 4.0;
+	float x1 = -2.5;
+	cout<< "\n\n\nScalar subtraction\n";
+	m3 = m11 - x;
+	m6 = m10 - x1;
+	cout<< "\nNumber Subtracted:" << x;
+	cout<< "\n\n" << m11;
+	cout<< "\nResult:\n\n" << m3;
+	cout<< "\nNumber Subtracted:" << x1;
+	cout<< "\n\n" << m10;
+	cout<< "\nResult:\n\n" << m6;
+
+	float z = 3.50;
+	float z1 = -5.567;
+	cout<< "\n\n\nScalar multiplication\n";
+	m3 = m1 * z;
+	m6 = m12 * z1;
+	cout<< "\nNumber Multiplied:"<< z;
+	cout<< "\n\n" << m1;
+	cout<< "\nResult:\n\n" << m3;
+	cout<< "\nNumber Multiplied:" << z1;
+	cout<< "\n\n" << m12;
+	cout<< "\nResult:\n\n" << m6;
+
+	m6 = transpose(m15);
+	cout<< "\n\n\nTranspose:";
+	cout << "\n\n" << m15;
+	cout << "\nResult:\n\n" << m6;
+
+	cout << "\n\nm1:\n\n" << m1;
+	cout << "\n\nm2:\n\n" << m2;
+	cout << "\n\n\nm1 == m2 :";
+	cout << (m1 == m2);
+
+	cout << "\n\nm2:\n\n" << m2;
+	cout << "\n\nm2:\n\n" << m2;
+	cout << "\n\n\nm2 == m2 :";
+	cout << (m2 == m2);
+
+	cout << "\n\nm6:\n\n" << m6;
+	cout << "\n\nm6:\n\n" << m6;
+	cout << "\n\n\nm6 != m6 :";
+	cout << (m6 != m6);
+
+	cout << "\n\nm6:\n\n" << m6;
+	cout << "\n\nm1:\n\n" << m1;
+	cout << "\n\n\nm6 != m1 :";
+	cout << (m6 != m1);
+}