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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.
*
*=========================================================================*/
#ifndef itkForwardDifferenceOperator_hxx
#define itkForwardDifferenceOperator_hxx
#include "itkNumericTraits.h"
namespace itk
{
template <typename TPixel, unsigned int VDimension, typename TAllocator>
auto
ForwardDifferenceOperator<TPixel, VDimension, TAllocator>::GenerateCoefficients() -> CoefficientVector
{
CoefficientVector coeff(3);
coeff[0] = PixelType{};
coeff[1] = -1.0 * NumericTraits<PixelType>::OneValue();
coeff[2] = NumericTraits<PixelType>::OneValue();
return coeff;
}
} // namespace itk
#endif
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