Daviddoria at 19:22, 25 February 2011

2011-02-25T19:22:21Z

Daviddoria at 12:42, 21 September 2010

2010-09-21T12:42:17Z

Daviddoria: Created page with '==Vector.cpp== #include #include #include #include #include "TestClass.h" double RandomDouble(); void TestVector(…'

2010-06-22T20:25:48Z

Created page with '==Vector.cpp== <source lang="cpp"> #include <iostream> #include <vector> #include <cstdlib> #include <algorithm> #include "TestClass.h" double RandomDouble(); void TestVector(…'

New page

==Vector.cpp==
<source lang="cpp">
#include <iostream>
#include <vector>
#include <cstdlib>

#include <algorithm>

#include "TestClass.h"

double RandomDouble();
void TestVector();
void RemoveElement();
void TestResize();
void TestInsert();
void TestCopy();
void TestFind();
void ArrayStyleInit();

int main(int argc, char* argv[])
{
//TestVector();
//RemoveElement();
//TestResize();
//TestInsert();
//TestCopy();
//TestFind();
ArrayStyleInit();

return 0;
}

void ArrayStyleInit()
{
std::vector<int> vec({1,2,6,7,8,89}); //need -std=c++0x
}

void TestFind()
{
std::vector<unsigned int> V(10);

for(unsigned int i = 0; i < 10; i++)
{
V[i] = 10*i;
std::cout << V[i] << " ";
}

std::cout << std::endl;

std::vector<unsigned int>::iterator it = find(V.begin(), V.end(), 70);

if(it == V.end())
{
std::cout << "Could not find 70 in the vector" << std::endl;
}
else
{
std::cout << "The number 70 is located at index " << it - V.begin() << std::endl;
}
}

void TestCopy()
{
std::vector<double> V(10);

for(unsigned int i = 0; i < 10; i++)
{
V[i] = RandomDouble();
std::cout << V[i] << " ";
}

std::vector<double> B(V.size());

std::copy(V.begin(), V.end(), B.begin());

std::cout << std::endl;

for(unsigned int i = 0; i < 10; i++)
{
std::cout << B[i] << " ";
}
}

double RandomDouble()
{
//produce a random double between 0 and 1
return drand48();
}

void TestResize()
{
std::vector<double> V(10);

for(unsigned int i = 0; i < 10; i++)
{
V[i] = RandomDouble();
}

for(unsigned int i = 0; i < 10; i++)
{
std::cout << V[i] << " ";
}
std::cout << "Size: " << V.size() << std::endl;

V.resize(5);

for(unsigned int i = 0; i < 5; i++)
{
std::cout << V[i] << " ";
}
std::cout << "Size: " << V.size() << std::endl;

}

void TestVector()
{
std::vector<double> V;

std::cout << "Size: " << V.size() << std::endl;
std::cout << "Empty? " << V.empty() << std::endl;

for(unsigned int i = 0; i < 100; i++)
{
V.push_back(RandomDouble());
}

std::cout << "Size: " << V.size() << std::endl;
std::cout << "Empty? " << V.empty() << std::endl;

V.clear();

std::cout << "Size: " << V.size() << std::endl;
std::cout << "Empty? " << V.empty() << std::endl;
}

void RemoveElement()
{
unsigned int num = 10;
std::vector<unsigned int> V(num);
for(unsigned int i = 0; i < num; i++)
{
V[i] = i;
}

std::vector<unsigned int>::iterator it = find(V.begin(), V.end(), 7);
if(it == V.end())
{
std::cout << "Could not find 7 in the vector" << std::endl;
}
else
{
std::cout << "Have found 7 in the vector" << std::endl;
std::cout << "The number 7 is located at index " << it - V.begin() << std::endl;
}

std::vector<unsigned int>::iterator it2 = find(V.begin(), V.end(), 15);
if(it2 == V.end())
{
std::cout << "Could not find 15 in the vector" << std::endl;
}
else
{
std::cout << "Have found 15 in the vector" << std::endl;
}

}

void TestInsert()
{
std::vector <double> a;
a.push_back(1);
a.push_back(2);

std::vector <double> b;
b.push_back(3);
b.push_back(4);

std::vector<double> c;

c.insert(c.end(), b.begin(), b.end());

for(unsigned i = 0; i < c.size(); i++)
{
std::cout << c[i] << " ";
}

std::cout << std::endl;

}

</source>

← Older revision		Revision as of 19:22, 25 February 2011
Line 189:		Line 189:
	}		}

		+	</source>
		+
		+	==CMakeLists.txt==
		+	<source lang="cmake">
		+	cmake_minimum_required(VERSION 2.6)
		+
		+	Project(Vector)
		+
		+	ADD_EXECUTABLE(Vector Vector.cpp)
	</source>		</source>

@@ Line 6: / Line 6: @@
 #include <algorithm>
 double RandomDouble();
@@ Line 13: / Line 11: @@
 void RemoveElement();
 void TestResize();
-void TestInsert();
+void TestInsert(); // append
 void TestCopy();
 void TestFind();
 void ArrayStyleInit();
-int main(int argc, char* argv[])
+int main(int, char*[])
+{
    //TestVector();
@@ Line 179: / Line 177: @@
   std::vector<double> c;
   c.insert(c.end(), b.begin(), b.end());

CPP/STL/Vector - Revision history

Daviddoria at 19:22, 25 February 2011

Daviddoria at 12:42, 21 September 2010

Daviddoria: Created page with '==Vector.cpp== #include #include #include #include #include "TestClass.h" double RandomDouble(); void TestVector(…'