/usr/include/ITK-4.5/itkVnlFFTCommon.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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.
*
*=========================================================================*/
#ifndef __itkVnlFFTCommon_h
#define __itkVnlFFTCommon_h
#include "vnl/algo/vnl_fft_base.h"
namespace itk
{
/** \class VnlFFTCommon
* \brief Common routines related to Vnl's FFT implementation.
*
* \ingroup ITKFFT
*/
struct VnlFFTCommon
{
/** Vnl's FFT supports discrete Fourier transforms for images whose
sizes have a prime factorization consisting of 2's, 3's, and 5's. */
template< typename TSizeValue >
static bool IsDimensionSizeLegal(TSizeValue n);
/** Convenience struct for computing the discrete Fourier
Transform. */
template< typename TImage >
struct VnlFFTTransform:
public vnl_fft_base< TImage::ImageDimension, typename TImage::PixelType >
{
typedef vnl_fft_base< TImage::ImageDimension, typename TImage::PixelType > Base;
//: constructor takes size of signal.
VnlFFTTransform(const typename TImage::SizeType & s);
};
};
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkVnlFFTCommon.hxx"
#endif
#endif // __itkVnlFFTCommon_h
|