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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* 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 "itkNeighborhood.h"
#include "itkVector.h"
static void
println(const char * s)
{
std::cout << std::endl << s << std::endl;
}
int
itkNeighborhoodTest(int, char *[])
{
unsigned int i;
println("TESTING WITH VNL_VECTOR ALLOCATOR");
itk::Neighborhood<float, 2, vnl_vector<float>> b;
b.SetRadius(3);
println("Test data access");
for (i = 0; i < b.Size(); ++i)
{
b[i] = static_cast<float>(i);
}
b.Print(std::cout);
println("Test non_const iterators");
for (itk::Neighborhood<float, 2>::Iterator it = b.Begin(); it < b.End(); ++it)
{
*it = 4.0f;
}
b.Print(std::cout);
println("Test const_iterators");
for (itk::Neighborhood<float, 2>::ConstIterator itc = b.Begin(); itc < b.End(); ++itc)
{
std::cout << *itc << ' ';
}
println("Copy the buffer into a vnl_vector");
vnl_vector<float> v = b.GetBufferReference();
v[2] = 0.0f;
std::cout << &v << std::endl;
b.Print(std::cout); // b unmodified
println("Pointer to the buffer with a const vnl_vector");
const vnl_vector<float> & vcp = b.GetBufferReference();
std::cout << &vcp << std::endl;
std::cout << vcp;
println("Point to the buffer using a vnl_vector");
vnl_vector<float> & vp = b.GetBufferReference();
std::cout << &vp << std::endl;
vp[2] = 0.0f;
b.Print(std::cout); // b modified
println("TESTING WITH DEFAULT ALLOCATOR");
itk::Neighborhood<float, 2> q;
itk::Size<2> rad;
rad[0] = 3;
rad[1] = 2;
q.SetRadius(rad);
q.Print(std::cout);
println("Testing assignment operator");
itk::Neighborhood<float, 2> p = q;
p.Print(std::cout);
println("Testing copy constructor");
itk::Neighborhood<float, 2> r(q);
r.Print(std::cout);
println("Testing instantiation with itk::Vector");
itk::Neighborhood<itk::Vector<float, 3>, 2> s;
s.SetRadius(rad);
s.Print(std::cout);
println("Testing stride lengths");
itk::Neighborhood<float, 2> stride_2d;
stride_2d.SetRadius(1);
stride_2d.Print(std::cout);
println("3d");
itk::Neighborhood<float, 3> stride_3d;
stride_3d.SetRadius(1);
stride_3d.Print(std::cout);
println("Printing the indices of the 8 neighbors");
std::cout << stride_3d.GetOffset(4) << std::endl;
std::cout << stride_3d.GetOffset(10) << std::endl;
std::cout << stride_3d.GetOffset(12) << std::endl;
std::cout << stride_3d.GetOffset(13) << std::endl;
std::cout << stride_3d.GetOffset(14) << std::endl;
std::cout << stride_3d.GetOffset(16) << std::endl;
std::cout << stride_3d.GetOffset(22) << std::endl;
println("ANOTHER TEST");
itk::Neighborhood<float, 2> q2;
q2.SetRadius(3);
q2.Print(std::cout);
return EXIT_SUCCESS;
}
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