ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Core/Common/Matrix/Code.cxx
/*=========================================================================
*
* 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
*
* http://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 <itkMatrix.h>
#include <itkVector.h>
#include <iostream>
static void
Construct();
// static void ConstructRunTimeDims();
static void
Multiply();
// static void Inverse();
int
main(int, char *[])
{
Construct();
Multiply();
return EXIT_SUCCESS;
}
void
Construct()
{
using MatrixType = itk::Matrix<double, 3, 3>;
MatrixType M;
M(0, 0) = 1.0;
M(0, 1) = 2.0;
M(0, 2) = 3.0;
M(1, 0) = 4.0;
M(1, 1) = 5.0;
M(1, 2) = 6.0;
M(2, 0) = 7.0;
M(2, 1) = 8.0;
M(2, 2) = 9.0;
std::cout << "M: " << M << std::endl;
}
/*
void ConstructRunTimeDims()
{
int matrixSize = 3;
using MatrixType = itk::Matrix<double, matrixSize, matrixSize>;
MatrixType M;
M(0,0) = 1.0;
M(0,1) = 2.0;
M(0,2) = 3.0;
M(1,0) = 4.0;
M(1,1) = 5.0;
M(1,2) = 6.0;
M(2,0) = 7.0;
M(2,1) = 8.0;
M(2,2) = 9.0;
std::cout << "M: " << M << std::endl;
}
*/
void
Multiply()
{
using MatrixType = itk::Matrix<double, 3, 3>;
MatrixType M;
M(0, 0) = 1.0;
M(0, 1) = 2.0;
M(0, 2) = 3.0;
M(1, 0) = 4.0;
M(1, 1) = 5.0;
M(1, 2) = 6.0;
M(2, 0) = 7.0;
M(2, 1) = 8.0;
M(2, 2) = 9.0;
std::cout << "M: " << M << std::endl;
V[0] = 1.0;
V[1] = 2.0;
V[2] = 3.0;
std::cout << "V: " << V << std::endl;
std::cout << "MV: " << M * V << std::endl;
}
/*
void Inverse()
{
}
*/
itkMatrix.h
itk::GTest::TypedefsAndConstructors::Dimension2::VectorType
ImageBaseType::SpacingType VectorType
Definition: itkGTestTypedefsAndConstructors.h:53
itk::Vector< double, 3 >
itk::Matrix
A templated class holding a M x N size Matrix.
Definition: itkMatrix.h:51
itkVector.h