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<title>CppAD::vectorBool Class: Example and Test</title>
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<center><b><big><big>CppAD::vectorBool Class: Example and Test</big></big></b></center>
<code><font color="blue"><pre style='display:inline'> 

# include &lt;cppad/vector.hpp&gt;
# include &lt;cppad/check_simple_vector.hpp&gt;
# include &lt;sstream&gt; // sstream and string are used to test output operation
# include &lt;string&gt;

bool vectorBool(void)
{	bool ok = true;
	using CppAD::vectorBool;

	vectorBool x;          // default constructor 
	ok &amp;= (x.size() == 0);

	x.resize(2);             // resize and set element assignment to bool
	ok &amp;= (x.size() == 2);
	x[0] = false;
	x[1] = true;

	vectorBool y(2);       // sizing constructor
	ok &amp;= (y.size() == 2);

	const vectorBool z(x); // copy constructor and const element access
	ok &amp;= (z.size() == 2);
	ok &amp;= ( (z[0] == false) &amp;&amp; (z[1] == true) );

	x[0] = true;           // modify, assignment changes x
	ok &amp;= (x[0] == true);

	x = y = z;              // vector assignment
	ok &amp;= ( (x[0] == false) &amp;&amp; (x[1] == true) );
	ok &amp;= ( (y[0] == false) &amp;&amp; (y[1] == true) );
	ok &amp;= ( (z[0] == false) &amp;&amp; (z[1] == true) );

	// test of push_vector
	y.push_vector(z);
	ok &amp;= y.size() == 4;
	ok &amp;= ( (y[0] == false) &amp;&amp; (y[1] == true) );
	ok &amp;= ( (y[2] == false) &amp;&amp; (y[3] == true) );

	y[1] = false;           // element assignment to another element
	x[0] = y[1];
	ok &amp;= (x[0] == false);

	// test of output
	std::string        correct= &quot;01&quot;;
	std::string        str;
	std::ostringstream buf;
	buf &lt;&lt; z;
	str = buf.str();
	ok &amp;= (str == correct);

	// test resize(0), capacity, and clear
	size_t i = x.capacity();
	ok      &amp;= i &gt; 0;
	x.resize(0);
	ok      &amp;= i == x.capacity();
	x.clear();
	ok      &amp;= 0 == x.capacity();

	// test of push_back element
	for(i = 0; i &lt; 100; i++)
		x.push_back( (i % 3) != 0 );
	ok &amp;= (x.size() == 100);
	for(i = 0; i &lt; 100; i++)
		ok &amp;= ( x[i] == ((i % 3) != 0) );

	// is that boolvector is
	// a simple vector class with elements of type bool
	CppAD::CheckSimpleVector&lt; bool, vectorBool &gt;();

	return ok;
}

</pre>

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<hr/>Input File: example/vector_bool.cpp

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