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1 files changed, 61 insertions, 0 deletions

diff --git a/itkKernelFunction.h b/itkKernelFunction.h
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+/*=========================================================================
+ *
+ *  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 __itkKernelFunction_h
+#define __itkKernelFunction_h
+
+#include "itkKernelFunctionBase.h"
+
+#ifndef ITKV3_COMPATIBILITY
+#error "This file is only valid when ITKV3_COMPATIBILITY is turned on.  Users are encouraged to convert to itkKernelFunctionBase.h in ITKv4"
+#endif
+
+namespace itk
+{
+/** \class KernelFunction
+ * \brief KernelFunction is for backward compatibility with ITKv3
+ *
+ * \deprecated
+ * \ingroup Functions
+ * \ingroup ITKV3Compatibility
+ */
+class ITKCommon_EXPORT KernelFunction:public KernelFunctionBase< double >
+{
+public:
+  /** Standard class typedefs. */
+  typedef KernelFunction               Self;
+  typedef KernelFunctionBase< double > Superclass;
+  typedef SmartPointer< Self >         Pointer;
+  typedef SmartPointer< const Self >   ConstPointer;
+
+  typedef Superclass::RealType RealType;
+
+  /** Run-time type information (and related methods). */
+  itkTypeMacro(KernelFunction, FunctionBase);
+
+  /** Evaluate the function. Subclasses must implement this. */
+  virtual RealType Evaluate(const RealType & u) const = 0;
+
+protected:
+  KernelFunction() {};
+  virtual ~KernelFunction() {};
+  void PrintSelf(std::ostream & os, Indent indent) const
+  { Superclass::PrintSelf(os, indent); }
+};
+} // end namespace itk
+
+#endif // __itkKernelFunction_h