ITK
4.1.0
Insight Segmentation and Registration Toolkit
|
00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 #ifndef __itkNormalVariateGenerator_h 00019 #define __itkNormalVariateGenerator_h 00020 00021 #include "itkObjectFactory.h" 00022 #include "itkRandomVariateGeneratorBase.h" 00023 00024 namespace itk 00025 { 00026 namespace Statistics 00027 { 00097 class ITK_EXPORT NormalVariateGenerator: 00098 public RandomVariateGeneratorBase 00099 { 00100 public: 00102 typedef NormalVariateGenerator Self; 00103 typedef RandomVariateGeneratorBase Superclass; 00104 typedef SmartPointer< Self > Pointer; 00105 typedef SmartPointer< const Self > ConstPointer; 00106 00108 itkTypeMacro(NormalVariateGenerator, 00109 RandomVariateGeneratorBase); 00110 00112 itkNewMacro(Self); 00113 00115 void Initialize(int randomSeed); 00116 00118 double GetVariate(); 00119 00120 protected: 00121 NormalVariateGenerator(); 00122 virtual ~NormalVariateGenerator(); 00123 virtual void PrintSelf(std::ostream & os, Indent indent) const; 00124 00126 double FastNorm(void); 00127 00128 private: 00129 double m_Scale; 00130 double m_Rscale; 00131 double m_Rcons; 00132 int m_ELEN; 00133 int m_LEN; 00134 int m_LMASK; 00135 int m_TLEN; 00136 00137 int m_Gaussfaze; 00138 int *m_Gausssave; 00139 00140 double m_GScale; 00141 00142 int * m_Vec1; 00143 int m_Nslew; 00144 int m_Irs; 00145 int m_Lseed; 00146 double m_Chic1; 00147 double m_Chic2; 00148 double m_ActualRSD; 00149 }; // end of class 00150 } // end of namespace Statistics 00151 } // end of namespace itk 00152 #endif 00153