Prev Next TrackNewDel.cpp Headings

Tracking Use of New and Delete: Example and Test
 

# include <cppad/track_new_del.hpp>

bool TrackNewDel(void)
{	bool ok = true;

	// initial count
	size_t count = CPPAD_TRACK_COUNT();

	// allocate an array of lenght 5
	double *ptr = 0;
	size_t  newlen = 5;
	ptr = CPPAD_TRACK_NEW_VEC(newlen, ptr);

	// copy data into the array
	size_t ncopy = newlen;
	size_t i;
	for(i = 0; i < ncopy; i++)
		ptr[i] = double(i);

	// extend the buffer to be lenght 10
	newlen = 10;
	ptr    = CPPAD_TRACK_EXTEND(newlen, ncopy, ptr);
		
	// copy data into the new part of the array
	for(i = ncopy; i < newlen; i++)
		ptr[i] = double(i);

	// check the values in the array
 	for(i = 0; i < newlen; i++)
		ok &= (ptr[i] == double(i));

	// free the memory allocated since previous call to TrackCount
	CPPAD_TRACK_DEL_VEC(ptr);

	// check for memory leak
	ok &= (count == CPPAD_TRACK_COUNT());

	return ok;
}


Input File: example/track_new_del.cpp