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Numerics/Statistics/itkMeasurementVectorTraits.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkMeasurementVectorTraits.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-03-04 15:24:02 $
00007   Version:   $Revision: 1.7 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkMeasurementVectorTraits_h
00018 #define __itkMeasurementVectorTraits_h
00019 
00020 #include "itkMacro.h"
00021 #include "itkArray.h"
00022 #include "itkVariableLengthVector.h"
00023 #include "itkVector.h"
00024 #include "itkFixedArray.h"
00025 #include "vnl/vnl_vector_fixed.h"
00026 #include "itkPoint.h"
00027 #include "itkRGBPixel.h"
00028 #include "itkMatrix.h"
00029 #include "itkVariableSizeMatrix.h"
00030 #include "itkNumericTraits.h"
00031 #include "itkSize.h"
00032 #include <vector>
00033 
00034 
00035 namespace itk
00036 {
00037 
00044 class MeasurementVectorTraits {
00045 public:
00046 
00047   typedef unsigned int MeasurementVectorLength;
00048   
00049   template<class TValueType, unsigned int TLength>
00050   static void SetLength( FixedArray< TValueType, TLength > &m, const unsigned int s )
00051     {
00052     if( s != TLength )
00053       {
00054       itkGenericExceptionMacro( << "Cannot set the size of a FixedArray of length " 
00055           << TLength << " to " << s );
00056       }
00057     m.Fill( NumericTraits< TValueType >::Zero );
00058     }
00059   
00060   template<class TValueType, unsigned int TLength>
00061   static void SetLength( FixedArray< TValueType, TLength > *m, const unsigned int s )
00062     {
00063     if( s != TLength )
00064       {
00065       itkGenericExceptionMacro( << "Cannot set the size of a FixedArray of length " 
00066           << TLength << " to " << s );
00067       }
00068     m->Fill( NumericTraits< TValueType >::Zero );
00069     }
00070   
00071   template< class TValueType >
00072   static void SetLength( Array< TValueType > & m, const unsigned int s )
00073     {
00074     m.SetSize( s );
00075     m.Fill( NumericTraits< TValueType >::Zero );
00076     }
00077   
00078   template< class TValueType >
00079   static void SetLength( Array< TValueType > * m, const unsigned int s )
00080     {
00081     m->SetSize( s );
00082     m->Fill( NumericTraits< TValueType >::Zero );
00083     }
00084 
00085   template< class TValueType >
00086   static void SetLength( VariableLengthVector< TValueType > & m, const unsigned int s )
00087     {
00088     m.SetSize( s );
00089     m.Fill( NumericTraits< TValueType >::Zero );
00090     }
00091   
00092   template< class TValueType >
00093   static void SetLength( VariableLengthVector< TValueType > * m, const unsigned int s )
00094     {
00095     m->SetSize( s );
00096     m->Fill( NumericTraits< TValueType >::Zero );
00097     }
00098 
00099   template< class TValueType >
00100   static void SetLength( std::vector< TValueType > & m, const unsigned int s )
00101     {
00102     m.resize( s );
00103     }
00104   
00105   template< class TValueType >
00106   static void SetLength( std::vector< TValueType > * m, const unsigned int s )
00107     {
00108     m->resize( s );
00109     }
00110 
00111 
00112   template< class TValueType, unsigned int TLength > 
00113   static MeasurementVectorLength 
00114                GetLength( const FixedArray< TValueType, TLength > &)
00115     { return TLength; }
00116   
00117   template< class TValueType, unsigned int TLength > 
00118   static MeasurementVectorLength 
00119                GetLength( const FixedArray< TValueType, TLength > *)
00120     { return TLength; }
00121 
00122   template< class TValueType >
00123   static MeasurementVectorLength
00124                GetLength( const Array< TValueType > &m )
00125     {return m.GetSize(); }
00126   
00127   template< class TValueType >
00128   static MeasurementVectorLength
00129                GetLength( const Array< TValueType > *m )
00130     {return m->GetSize(); }
00131 
00132   template< class TValueType >
00133   static MeasurementVectorLength
00134                GetLength( const VariableLengthVector< TValueType > &m )
00135     {return m.GetSize(); }
00136   
00137   template< class TValueType >
00138   static MeasurementVectorLength
00139                GetLength( const VariableLengthVector< TValueType > *m )
00140     {return m->GetSize(); }
00141 
00142   template< class TValueType >
00143   static MeasurementVectorLength
00144                GetLength( const std::vector< TValueType > &m )
00145     {return m.size(); }
00146   
00147   template< class TValueType >
00148   static MeasurementVectorLength
00149                GetLength( const std::vector< TValueType > *m )
00150     {return m->size(); }
00151 
00152 
00153   template< class TValueType1, unsigned int TLength, class TValueType2 >
00154   static MeasurementVectorLength Assert( const FixedArray< TValueType1, TLength > &, 
00155                       const Array< TValueType2 > &b, const char *errMsg="Length Mismatch")
00156     {
00157     if( b.Size() == 0 )
00158       {
00159       return TLength;
00160       }
00161     if( b.Size() != 0 )
00162       {
00163       if (b.Size() != TLength)
00164         {
00165         itkGenericExceptionMacro( << errMsg );
00166         return 0;
00167         }
00168       }
00169     return 0;
00170     }
00171 
00172   template< class TValueType1, unsigned int TLength, class TValueType2 >
00173   static MeasurementVectorLength Assert( const FixedArray< TValueType1, TLength > *, 
00174                       const Array< TValueType2 > *b, const char *errMsg="Length Mismatch")
00175     {
00176     if( b->Size() == 0 )
00177       {
00178       return TLength;
00179       }
00180     else if (b->Size() != TLength)
00181       {
00182       itkGenericExceptionMacro( << errMsg );
00183       return 0;
00184       }
00185     return 0;
00186     }
00187 
00188   template< class TValueType1, unsigned int TLength, class TValueType2 >
00189   static MeasurementVectorLength Assert( const FixedArray< TValueType1, TLength > &, 
00190                       const VariableLengthVector< TValueType2 > &b, const char *errMsg="Length Mismatch")
00191     {
00192     if( b.Size() == 0 )
00193       {
00194       return TLength;
00195       }
00196     if( b.Size() != 0 )
00197       {
00198       if (b.Size() != TLength)
00199         {
00200         itkGenericExceptionMacro( << errMsg );
00201         return 0;
00202         }
00203       }
00204     return 0;
00205     }
00206 
00207   template< class TValueType1, unsigned int TLength, class TValueType2 >
00208   static MeasurementVectorLength Assert( const FixedArray< TValueType1, TLength > *, 
00209                       const VariableLengthVector< TValueType2 > *b, const char *errMsg="Length Mismatch")
00210     {
00211     if( b->Size() == 0 )
00212       {
00213       return TLength;
00214       }
00215     else if (b->Size() != TLength)
00216       {
00217       itkGenericExceptionMacro( << errMsg );
00218       return 0;
00219       }
00220     return 0;
00221     }
00222 
00223   template< class TValueType1, unsigned int TLength>
00224   static MeasurementVectorLength Assert( const FixedArray< TValueType1, TLength > &, 
00225                 const MeasurementVectorLength l, const char *errMsg="Length Mismatch")
00226     {
00227     if( l == 0 )
00228       {
00229       return TLength;
00230       }
00231     else if( l != TLength )
00232       {
00233       itkGenericExceptionMacro( << errMsg );
00234       return 0;
00235       }
00236     return 0;
00237     }
00238 
00239   template< class TValueType1, unsigned int TLength>
00240   static MeasurementVectorLength Assert( const FixedArray< TValueType1, TLength > *, 
00241                const MeasurementVectorLength l, const char *errMsg="Length Mismatch")
00242     {
00243     if( l == 0 )
00244       {
00245       return TLength;
00246       }
00247     else if( l != TLength )
00248       {
00249       itkGenericExceptionMacro( << errMsg );
00250       return 0;
00251       }
00252     return 0;
00253     }
00254 
00255   template< class TValueType >
00256   static MeasurementVectorLength Assert( const Array< TValueType > &a, 
00257               const MeasurementVectorLength l, const char *errMsg="Length Mismatch")
00258     {
00259     if( ((l != 0) && (a.Size() != l)) || (a.Size() == 0) )
00260       {
00261       itkGenericExceptionMacro( << errMsg );
00262       }
00263     else if( l == 0 )
00264       {
00265       return a.Size();
00266       }
00267     return 0;
00268     }
00269   
00270   template< class TValueType >
00271   static MeasurementVectorLength Assert( const Array< TValueType > *a, 
00272               const MeasurementVectorLength l, const char *errMsg="Length Mismatch")
00273     {
00274     if( ((l != 0) && (a->Size() != l)) || (a->Size() == 0) )
00275       {
00276       itkGenericExceptionMacro( << errMsg );
00277       }
00278     else if( l == 0 )
00279       {
00280       return a->Size();
00281       }
00282     return 0;
00283     }
00284    
00285   template< class TValueType >
00286   static MeasurementVectorLength Assert( const VariableLengthVector< TValueType > &a, 
00287               const MeasurementVectorLength l, const char *errMsg="Length Mismatch")
00288     {
00289     if( ((l !=0 ) && (a.Size() != l)) || (a.Size() == 0) )
00290       {
00291       itkGenericExceptionMacro( << errMsg );
00292       }
00293     else if( l == 0 )
00294       {
00295       return a.Size();
00296       }
00297     return 0;
00298     }
00299   
00300   template< class TValueType >
00301   static MeasurementVectorLength Assert( const VariableLengthVector< TValueType > *a, 
00302               const MeasurementVectorLength l, const char *errMsg="Length Mismatch")
00303     {
00304     if( ((l !=0 ) && (a->Size() != l)) || (a->Size() == 0) )
00305       {
00306       itkGenericExceptionMacro( << errMsg );
00307       }
00308     else if( l == 0 )
00309       {
00310       return a->Size();
00311       }
00312     return 0;
00313     }
00314   template< class TValueType >
00315   static MeasurementVectorLength Assert( const std::vector< TValueType > &a, 
00316               const MeasurementVectorLength l, const char *errMsg="Length Mismatch")
00317     {
00318     if( ((l != 0) && (a.size() != l)) || (a.size() == 0) )
00319       {
00320       itkGenericExceptionMacro( << errMsg );
00321       }
00322     else if( l == 0 )
00323       {
00324       return a.size();
00325       }
00326     return 0;
00327     }
00328   
00329   template< class TValueType >
00330   static MeasurementVectorLength Assert( const std::vector< TValueType > *a, 
00331               const MeasurementVectorLength l, const char *errMsg="Length Mismatch")
00332     {
00333     if( ((l != 0) && (a->size() != l)) || (a->size() == 0) )
00334       {
00335       itkGenericExceptionMacro( << errMsg );
00336       }
00337     else if( l == 0 )
00338       {
00339       return a->size();
00340       }
00341     return 0;
00342     }
00343 };
00344 
00345 } // namespace itk
00346 
00347 #endif  // __itkMeasurementVectorTraits_h
00348 

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