ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkGeometryUtilities.h
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1 /*=========================================================================
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3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
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14  * See the License for the specific language governing permissions and
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18 #ifndef __itkGeometryUtilities_h
19 #define __itkGeometryUtilities_h
20 
21 #include "itkObject.h"
22 
23 namespace itk
24 {
25 
37 class ITK_EXPORT GeometryUtilities
38 {
39 public:
40 
41  static long Factorial(const long n);
42 
43  static long DoubleFactorial(const long n);
44 
45  static double GammaN2p1(const long n);
46 
47  static double HyperSphereVolume(const int dim, const double radius);
48 
49  static double HyperSpherePerimeter(const int dim, const double radius);
50 
51  static double HyperSphereRadiusFromVolume(const int dim, const double volume);
52 
53 };
54 
55 }
56 #endif
57