This file is indexed.

/usr/include/ITK-4.5/itkMacro.h is in libinsighttoolkit4-dev 4.5.0-3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
/*=========================================================================
 *
 *  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.
 *
 *=========================================================================*/
/*=========================================================================
 *
 *  Portions of this file are subject to the VTK Toolkit Version 3 copyright.
 *
 *  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
 *
 *  For complete copyright, license and disclaimer of warranty information
 *  please refer to the NOTICE file at the top of the ITK source tree.
 *
 *=========================================================================*/
/**
 * itkMacro.h defines standard system-wide macros, constants, and other
 * parameters. One of its most important functions is to define macros used
 * to interface to instance variables in a standard fashion. For example,
 * these macros manage modified time, debugging information, and provide a
 * standard interface to set and get instance variables.  Macros are
 * available for built-in types; for string classe; vector arrays;
 * object pointers; and debug, warning, and error printout information.
 */

#ifndef __itkMacro_h
#define __itkMacro_h

#include "itkWin32Header.h"
#include "itkConfigure.h"
#include "ITKCommonExport.h"

#include <typeinfo>

#include <string>
#include <cstdlib>
#ifndef NDEBUG
#include <cassert>
#endif

#include <sstream>

/** \namespace itk
 * \brief The "itk" namespace contains all Insight Segmentation and
 * Registration Toolkit (ITK) classes. There are several nested namespaces
 * within the itk:: namespace. */
namespace itk
{
// end namespace itk - this is here for documentation purposes
}

/** A convenience macro marks variables as not being used by a method,
 * avoiding compile-time warnings. */
#define itkNotUsed(x)

/*
 * ITK only supports MSVC++ 7.1 and greater
 * MSVC++ 11.0 _MSC_VER = 1700
 * MSVC++ 10.0 _MSC_VER = 1600
 * MSVC++ 9.0 _MSC_VER = 1500
 * MSVC++ 8.0 _MSC_VER = 1400
 * MSVC++ 7.1 _MSC_VER = 1310
 * MSVC++ 7.0 _MSC_VER = 1300
 * MSVC++ 6.0 _MSC_VER = 1200
 * MSVC++ 5.0 _MSC_VER = 1100
*/
#if defined( _MSC_VER ) && ( _MSC_VER < 1310 )
//#error "_MSC_VER < 1310 (MSVC++ 7.1) not supported under ITKv4"
#endif
#if defined( __SUNPRO_CC ) && ( __SUNPRO_CC < 0x590 )
#error "__SUNPRO_CC < 0x590 not supported under ITKv4"
#endif
#if defined( __CYGWIN__ )
#error "The Cygwin compiler is not supported in ITKv4 and above"
#endif
#if defined( __BORLANDC__ )
#error "The Borland C compiler is not supported in ITKv4 and above"
#endif
#if defined( __MWERKS__ )
#error "The MetroWerks compiler is not supported in ITKv4 and above"
#endif
#if defined( __GNUC__ ) && ( __GNUC__ < 3 )
#error "The __GNUC__ version 2.95 compiler is not supprted under ITKv4 and above"
#if defined( __sgi )
//This is true for IRIX 6.5.18m with MIPSPro 7.3.1.3m.
//TODO: At some future point, it may be necessary to
//define a minimum __sgi version that will work.
#error "The __sgi compiler is not supprted under ITKv4 and above"
#endif
#endif

// Setup symbol exports
#if defined( _WIN32 ) || defined ( WIN32 )
  #define ITK_ABI_IMPORT __declspec(dllimport)
  #define ITK_ABI_EXPORT __declspec(dllexport)
  #define ITK_ABI_HIDDEN
#else
  #if __GNUC__ >= 4
    #define ITK_ABI_IMPORT __attribute__ ((visibility ("default")))
    #define ITK_ABI_EXPORT __attribute__ ((visibility ("default")))
    #define ITK_ABI_HIDDEN __attribute__ ((visibility ("hidden")))
  #else
    #define ITK_ABI_IMPORT
    #define ITK_ABI_EXPORT
    #define ITK_ABI_HIDDEN
  #endif
#endif

/** Define two object creation methods.  The first method, New(),
 * creates an object from a class, potentially deferring to a factory.
 * The second method, CreateAnother(), creates an object from an
 * instance, potentially deferring to a factory.  This second method
 * allows you to create an instance of an object that is exactly the
 * same type as the referring object.  This is useful in cases where
 * an object has been cast back to a base class.
 *
 * These creation methods first try asking the object factory to create
 * an instance, and then default to the standard "new" operator if the
 * factory fails.
 *
 * These routines assigns the raw pointer to a smart pointer and then call
 * UnRegister() on the rawPtr to compensate for LightObject's constructor
 * initializing an object's reference count to 1 (needed for proper
 * initialization of process objects and data objects cycles).
 *
 * Break the methods into itkSimpleNewMacro and itkCreateAnotherMacro
 * so we can selectively overload CreateAnother() without having to
 * provide a definition for New(). */
#define itkNewMacro(x)                                         \
  itkSimpleNewMacro(x)                                         \
  itkCreateAnotherMacro(x)                                     \
  itkCloneMacro(x)

#define itkSimpleNewMacro(x)                                   \
  static Pointer New(void)                                     \
    {                                                          \
    Pointer smartPtr = ::itk::ObjectFactory< x >::Create();    \
    if ( smartPtr.GetPointer() == NULL )                       \
      {                                                        \
      smartPtr = new x;                                        \
      }                                                        \
    smartPtr->UnRegister();                                    \
    return smartPtr;                                           \
    }

#define itkCreateAnotherMacro(x)                               \
  virtual::itk::LightObject::Pointer CreateAnother(void) const \
    {                                                          \
    ::itk::LightObject::Pointer smartPtr;                      \
    smartPtr = x::New().GetPointer();                          \
    return smartPtr;                                           \
    }

#define itkCloneMacro(x)                                        \
  Pointer Clone() const                             \
  {                                                             \
    Pointer rval =                                  \
      dynamic_cast<x *>(this->InternalClone().GetPointer());    \
    return rval;                                                \
  }

/** Define two object creation methods.  The first method, New(),
 * creates an object from a class but does not defer to a factory.
 * The second method, CreateAnother(), creates an object from an
 * instance, again without deferring to a factory.  This second method
 * allows you to create an instance of an object that is exactly the
 * same type as the referring object.  This is useful in cases where
 * an object has been cast back to a base class.
 *
 * These creation methods first try asking the object factory to create
 * an instance, and then default to the standard "new" operator if the
 * factory fails.
 *
 * These routines assigns the raw pointer to a smart pointer and then call
 * UnRegister() on the rawPtr to compensate for LightObject's constructor
 * initializing an object's reference count to 1 (needed for proper
 * initialization of process objects and data objects cycles). */
#define itkFactorylessNewMacro(x)                              \
  static Pointer New(void)                                     \
    {                                                          \
    Pointer smartPtr;                                          \
    x *     rawPtr = new x;                                    \
    smartPtr = rawPtr;                                         \
    rawPtr->UnRegister();                                      \
    return smartPtr;                                           \
    }                                                          \
  virtual::itk::LightObject::Pointer CreateAnother(void) const \
    {                                                          \
    ::itk::LightObject::Pointer smartPtr;                      \
    smartPtr = x::New().GetPointer();                          \
    return smartPtr;                                           \
    }

/** Macro used to add standard methods to all classes, mainly type
 * information. */
#define itkTypeMacro(thisClass, superclass)  \
  virtual const char *GetNameOfClass() const \
    {                                        \
    return #thisClass;                      \
    }

namespace itk
{
/**
 * The following is used to output debug, warning, and error messages.
 * Use a global function which actually calls:
 * OutputWindow::GetInstance()->DisplayText();
 * This is to avoid Object \#include of OutputWindow
 * while OutputWindow \#includes Object. */
extern ITKCommon_EXPORT void OutputWindowDisplayText(const char *);

extern ITKCommon_EXPORT void OutputWindowDisplayErrorText(const char *);

extern ITKCommon_EXPORT void OutputWindowDisplayWarningText(const char *);

extern ITKCommon_EXPORT void OutputWindowDisplayGenericOutputText(const char *);

extern ITKCommon_EXPORT void OutputWindowDisplayDebugText(const char *);
} // end namespace itk

/** This macro is used to print debug (or other information). They are
 * also used to catch errors, etc. Example usage looks like:
 * itkDebugMacro(<< "this is debug info" << this->SomeVariable); */
#if defined( NDEBUG )
#define itkDebugMacro(x)
#define itkDebugStatement(x)
#else
#define itkDebugMacro(x)                                                \
    {                                                                   \
    if ( this->GetDebug() && ::itk::Object::GetGlobalWarningDisplay() ) \
      {                                                                 \
      std::ostringstream itkmsg;                                        \
      itkmsg << "Debug: In " __FILE__ ", line " << __LINE__ << "\n"     \
             << this->GetNameOfClass() << " (" << this << "): " x       \
             << "\n\n";                                                 \
      ::itk::OutputWindowDisplayDebugText( itkmsg.str().c_str() );      \
      }                                                                 \
    }

//The itkDebugStatement is to be used to protect code that is only
//used in the itkDebugMacro
#define itkDebugStatement(x) x
#endif

/** This macro is used to print warning information (i.e., unusual circumstance
 * but not necessarily fatal.) Example usage looks like:
 * itkWarningMacro(<< "this is warning info" << this->SomeVariable); */
#define itkWarningMacro(x)                                            \
    {                                                                 \
    if ( ::itk::Object::GetGlobalWarningDisplay() )                   \
      {                                                               \
      std::ostringstream itkmsg;                                      \
      itkmsg << "WARNING: In " __FILE__ ", line " << __LINE__ << "\n" \
             << this->GetNameOfClass() << " (" << this << "): " x     \
             << "\n\n";                                               \
      ::itk::OutputWindowDisplayWarningText( itkmsg.str().c_str() );  \
      }                                                               \
    }

//The itkDebugStatement is to be used ot protect code that is only
//used in the itkDebugMacro
#define itkWarningStatement(x) x

#if defined( ITK_CPP_FUNCTION )
  #if defined( _WIN32 ) && !defined( __MINGW32__ ) && !defined( CABLE_CONFIGURATION ) \
  && !defined( CSWIG )
    #define ITK_LOCATION __FUNCSIG__
  #elif defined( __GNUC__ )
    #define ITK_LOCATION __PRETTY_FUNCTION__
  #else
    #define ITK_LOCATION __FUNCTION__
  #endif
#else
  #define ITK_LOCATION "unknown"
#endif

#include "itkExceptionObject.h"

/** The exception macro is used to print error information (i.e., usually
 * a condition that results in program failure). Example usage looks like:
 * itkExceptionMacro(<< "this is error info" << this->SomeVariable); */
#define itkExceptionMacro(x)                                                            \
    {                                                                                   \
    std::ostringstream message;                                                         \
    message << "itk::ERROR: " << this->GetNameOfClass()                                 \
            << "(" << this << "): " x;                                                  \
    ::itk::ExceptionObject e_(__FILE__, __LINE__, message.str().c_str(), ITK_LOCATION); \
    throw e_; /* Explicit naming to work around Intel compiler bug.  */                 \
    }

#define itkGenericExceptionMacro(x)                                                     \
    {                                                                                   \
    std::ostringstream message;                                                         \
    message << "itk::ERROR: " x;                                                        \
    ::itk::ExceptionObject e_(__FILE__, __LINE__, message.str().c_str(), ITK_LOCATION); \
    throw e_; /* Explicit naming to work around Intel compiler bug.  */                 \
    }

#define itkDeclareExceptionMacro(newexcp,parentexcp,whatmessage)                        \
namespace itk {                                                                         \
class newexcp : public parentexcp                                            \
{                                                                                       \
public:                                                                                 \
newexcp( const char *file, unsigned int lineNumber ) :                                  \
parentexcp( file, lineNumber )                                                          \
{                                                                                       \
  this->SetDescription( whatmessage );                                                  \
}                                                                                       \
newexcp( const std::string & file, unsigned int lineNumber ) :                          \
parentexcp( file, lineNumber )                                                          \
{                                                                                       \
  this->SetDescription( whatmessage );                                                  \
}                                                                                       \
itkTypeMacro(newexcp, parentexcp);                                                      \
};                                                                                      \
}

#define itkSpecializedExceptionMacro(exceptiontype)                                     \
    {                                                                                   \
    ::itk::exceptiontype e_(__FILE__, __LINE__);                                        \
    e_.SetLocation(ITK_LOCATION);                                                       \
    throw e_; /* Explicit naming to work around Intel compiler bug.  */                 \
    }

#define itkSpecializedMessageExceptionMacro(exceptiontype,x)                            \
    {                                                                                   \
    ::itk::exceptiontype e_(__FILE__, __LINE__);                                        \
    std::ostringstream message;                                                         \
    message << "itk::ERROR: " x;                                                        \
    e_.SetDescription(message.str().c_str());                                           \
    e_.SetLocation(ITK_LOCATION);                                                       \
    throw e_; /* Explicit naming to work around Intel compiler bug.  */                 \
    }


#define itkGenericOutputMacro(x)                                           \
    {                                                                      \
    if ( ::itk::Object::GetGlobalWarningDisplay() )                        \
      {                                                                    \
      std::ostringstream itkmsg;                                           \
      itkmsg << "WARNING: In " __FILE__ ", line " << __LINE__ << "\n"      \
      x << "\n\n";                                                         \
      ::itk::OutputWindowDisplayGenericOutputText( itkmsg.str().c_str() ); \
      }                                                                    \
    }

//----------------------------------------------------------------------------
// Macros for simplifying the use of logging
//
#define itkLogMacro(x, y)                                \
    {                                                    \
    if ( this->GetLogger() )                             \
      {                                                  \
      this->GetLogger()->Write(::itk::LoggerBase::x, y); \
      }                                                  \
    }

#define itkLogMacroStatic(obj, x, y)                    \
    {                                                   \
    if ( obj->GetLogger() )                             \
      {                                                 \
      obj->GetLogger()->Write(::itk::LoggerBase::x, y); \
      }                                                 \
    }

//----------------------------------------------------------------------------
// Setup legacy code policy.
//
// CMake options ITK_LEGACY_REMOVE and ITK_LEGACY_SILENT are converted
// They may be used to completely remove legacy code or silence the
// warnings.  The default is to warn about their use.
//
// Source files that test the legacy code may define ITK_LEGACY_TEST
// like this:
//
//  #define ITK_LEGACY_TEST
//  #include "itkClassWithDeprecatedMethod.h"
//
// in order to silence the warnings for calling deprecated methods.
// No other source files in ITK should call the methods since they are
// provided only for compatibility with older user code.

// Define itkLegacyMacro to mark legacy methods where they are
// declared in their class.  Example usage:
//
//   // @deprecated Replaced by MyOtherMethod() as of ITK 2.0.
//   itkLegacyMacro(void MyMethod());
#if defined( ITK_LEGACY_REMOVE )
#define itkLegacyMacro(method) /* no ';' */
#elif defined( ITK_LEGACY_SILENT ) || defined( ITK_LEGACY_TEST ) || defined( CSWIG )
// Provide legacy methods with no warnings.
#define itkLegacyMacro(method) method
#else
// Setup compile-time warnings for uses of deprecated methods if
// possible on this compiler.
#if defined( __GNUC__ ) && !defined( __INTEL_COMPILER ) && ( __GNUC__ > 3 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 1 ) )
#define itkLegacyMacro(method) method __attribute__( ( deprecated ) )
#elif defined( _MSC_VER )
#define itkLegacyMacro(method) __declspec(deprecated) method
#else
#define itkLegacyMacro(method) method
#endif
#endif

// Macros to create runtime deprecation warning messages in function
// bodies.  Example usage:
//
//   void itkMyClass::MyOldMethod()
//     {
//     itkLegacyBodyMacro(itkMyClass::MyOldMethod, 2.0);
//     }
//
//   void itkMyClass::MyMethod()
//     {
//     itkLegacyReplaceBodyMacro(itkMyClass::MyMethod, 2.0,
//                               itkMyClass::MyOtherMethod);
//     }
#if defined( ITK_LEGACY_REMOVE ) || defined( ITK_LEGACY_SILENT )
#define itkLegacyBodyMacro(method, version)
#define itkLegacyReplaceBodyMacro(method, version, replace)
#define itkGenericLegacyBodyMacro(method, version)
#define itkGenericLegacyReplaceBodyMacro(method, version, replace)
#else
#define itkLegacyBodyMacro(method, version) \
  itkWarningMacro(#method " was deprecated for ITK " #version " and will be removed in a future version.")
#define itkLegacyReplaceBodyMacro(method, version, replace)                                                   \
  itkWarningMacro(                                                                                            \
    #method " was deprecated for ITK " #version " and will be removed in a future version.  Use " #replace \
    " instead.")
#define itkGenericLegacyBodyMacro(method, version) \
  itkGenericOutputMacro(#method " was deprecated for ITK " #version " and will be removed in a future version.")
#define itkGenericLegacyReplaceBodyMacro(method, version, replace)                                            \
  itkGenericOutputMacro(                                                                                      \
    #method " was deprecated for ITK " #version " and will be removed in a future version.  Use " #replace \
    " instead.")
#endif

#if defined ( ITK_LEGACY_REMOVE )
#define ITK_TEMPLATE_TXX  "error ITK_TEMPLATE_TXX is no longer a supported identifier, you should replace with ITK_MANUAL_INSTANTIATION as a replacement"
#else
#define ITK_TEMPLATE_TXX 1
#endif


// Most modern x86 CPUs have 64 byte aligned blocks which are used for
// the cache lines. By aligning multi-threaded structures with the
// cache lines, false shared can be reduced, and performance
// increased.
#define ITK_CACHE_LINE_ALIGNMENT 64

//
// itkPadStruct will add padding to a structure to ensure a minimum size
// for ensuring that adjacent structures do not share CACHE lines.
// Each struct will take up some multiple of cacheline sizes.
// This is particularly useful for arrays of thread private variables.
//
#define itkPadStruct( mincachesize, oldtype, newtype )                        \
    struct newtype: public oldtype                                            \
      {                                                                       \
         char _StructPadding[mincachesize - (sizeof(oldtype)%mincachesize) ]; \
      };

//
// itkAlignedTypedef is a macro which creates a new typedef to make a
// data structure aligned.
//
#if defined ( ITK_HAS_CPP11_ALIGNAS )
# define itkAlignedTypedef( alignment, oldtype, newtype )   \
  typedef oldtype newtype alignas(alignment)
#elif defined( ITK_HAS_GNU_ATTRIBUTE_ALIGNED )
# define itkAlignedTypedef( alignment, oldtype, newtype )   \
  typedef oldtype newtype __attribute__((aligned(alignment)))
#elif defined ( _MSC_VER )
# define itkAlignedTypedef( alignment, oldtype, newtype )   \
  typedef __declspec(align( alignment )) struct oldtype newtype
#else
# define itkAlignedTypedef( alignment, oldtype, newtype )        \
  typedef oldtype newtype
#endif

//=============================================================================
/* Define a common way of declaring a templated function as a friend inside a class.
  - ITK_FRIEND_TEMPLATE_FUNCTION_ARGUMENTS(T)

  The following templated function

            template <T>
            T add(const T & a, const T & b);

  is declared as friend in some compilers as:

            class A
              {
              public:
                friend Self add<Self>( const Self & a, const Self & b );
              }

   while other compilers will do

            class A
              {
              public:
                friend Self add<>( const Self & a, const Self & b );
              }

   This characteristic of the compiler is checked by a TRY_COMPILE
   command defined in Insight/CMake/itkTestFriendTemplatedFunction.cxx

*/
#if defined( ITK_SUPPORTS_TEMPLATED_FRIEND_FUNCTION_WITH_NULL_STRING )
#define ITK_FRIEND_TEMPLATE_FUNCTION_ARGUMENT(T)
#else
#if defined( ITK_SUPPORTS_TEMPLATED_FRIEND_FUNCTION_WITH_EMPTY_BRACKETS )
#define ITK_FRIEND_TEMPLATE_FUNCTION_ARGUMENT(T)  < >
#else
#if defined( ITK_SUPPORTS_TEMPLATED_FRIEND_FUNCTION_WITH_TEMPLATE_ARGUMENTS )
#define ITK_FRIEND_TEMPLATE_FUNCTION_ARGUMENT(T)  < T >
#endif
#endif
#endif
// THIS IS A TEMPORARY PATCH FOR Visual Studio 10. The correct solution must
// be implemented in Insight/CMake/itkTestFriendTemplatedFunction.cxx
#if ( defined ( _MSC_VER ) && ( _MSC_VER >= 1600 ) )
#ifdef  ITK_FRIEND_TEMPLATE_FUNCTION_ARGUMENT
#undef  ITK_FRIEND_TEMPLATE_FUNCTION_ARGUMENT
#endif
#define ITK_FRIEND_TEMPLATE_FUNCTION_ARGUMENT(T)
#endif

//=============================================================================
/* Choose a way to prevent template instantiation on this platform.
  - ITK_TEMPLATE_DO_NOT_INSTANTIATE = use #pragma do_not_instantiate to
                                      prevent instantiation
  - ITK_TEMPLATE_EXTERN = use extern template to prevent instantiation
*/
#if defined( __INTEL_COMPILER ) && __INTEL_COMPILER >= 700
#define ITK_TEMPLATE_EXTERN 1
#elif defined( __GNUC__ ) && __GNUC__ >= 3
#define ITK_TEMPLATE_EXTERN 1
#elif defined( _MSC_VER )
#define ITK_TEMPLATE_EXTERN 1
#endif
#if !defined( ITK_TEMPLATE_DO_NOT_INSTANTIATE )
#define ITK_TEMPLATE_DO_NOT_INSTANTIATE 0
#endif
#if !defined( ITK_TEMPLATE_EXTERN )
#define ITK_TEMPLATE_EXTERN 0
#endif

/* Define a macro to explicitly instantiate a template.
  - ITK_TEMPLATE_EXPORT(X) =
      Explicitly instantiate X, where X is of the form N(a1[,a2...,aN]).
      examples: ITK_TEMPLATE_EXPORT(1(class Foo<int>))
                ITK_TEMPLATE_EXPORT(2(class Bar<int, char>))
      Use one level of expansion delay to allow user code to have
      a macro determining the number of arguments. */
#define ITK_TEMPLATE_EXPORT(x) ITK_TEMPLATE_EXPORT_DELAY(x)
#define ITK_TEMPLATE_EXPORT_DELAY(x) template ITK_TEMPLATE_##x;

/* Define a macro to prevent template instantiations.
  - ITK_TEMPLATE_IMPORT(X) =
      Prevent instantiation of X, where X is of the form N(a1[,a2...,aN]).
      examples: ITK_TEMPLATE_IMPORT(1(class Foo<int>))
                ITK_TEMPLATE_IMPORT(2(class Bar<int, char>))
      Use one level of expansion delay to allow user code to have
      a macro determining the number of arguments.
*/
#if ITK_TEMPLATE_EXTERN
#define ITK_TEMPLATE_IMPORT_DELAY(x) extern template ITK_TEMPLATE_##x;
#elif ITK_TEMPLATE_DO_NOT_INSTANTIATE
#define ITK_TEMPLATE_IMPORT_DELAY(x) \
  ITK_TEMPLATE_IMPORT_IMPL(do_not_instantiate ITK_TEMPLATE_##x)
#define ITK_TEMPLATE_IMPORT_IMPL(x) _Pragma(#x)
#endif
#if defined( ITK_TEMPLATE_IMPORT_DELAY )
#define ITK_TEMPLATE_IMPORT(x) ITK_TEMPLATE_IMPORT_DELAY(x)
#define ITK_TEMPLATE_IMPORT_WORKS 1
#else
#define ITK_TEMPLATE_IMPORT(x)
#define ITK_TEMPLATE_IMPORT_WORKS 0
#endif

//=============================================================================

/* Define macros to export and import template instantiations for each
   library in ITK.  */
#define ITK_EXPORT_ITKCommon(c, x, n) \
  ITK_EXPORT_TEMPLATE(ITKCommon_EXPORT, c, x, n)
#define ITK_IMPORT_ITKCommon(c, x, n) \
  ITK_IMPORT_TEMPLATE(ITKCommon_EXPORT, c, x, n)

//--------------------------------------------------------------------------------
//  Helper macros for Template Meta-Programming techniques of for-loops
// unrolling
//--------------------------------------------------------------------------------

//--------------------------------------------------------------------------------
// Macro that generates an unrolled for loop for assigning elements of one array
// to elements of another array The array are assumed to be of same length
// (dimension), and this is also assumed to be the value of NumberOfIterations.
// No verification of size is performed. Casting is perfomed as part of the
// assignment, by using the DestinationElementType as the casting type.
// Source and destination array types must have defined opearator[] in their
// API.
#define itkForLoopAssignmentMacro(DestinationType,                                 \
                                  SourceType,                                      \
                                  DestinationElementType,                          \
                                  DestinationArray,                                \
                                  SourceArray,                                     \
                                  NumberOfIterations)                              \
  for ( unsigned int i = 0; i < NumberOfIterations; ++i )                          \
    {                                                                              \
    DestinationArray[i] = static_cast< DestinationElementType >( SourceArray[i] ); \
    }

//--------------------------------------------------------------------------------
// Macro that generates an unrolled for loop for rounding and assigning
// elements of one array to elements of another array The array are assumed to
// be of same length (dimension), and this is also assumed to be the value of
// NumberOfIterations.  No verification of size is performed. Casting is
// perfomed as part of the assignment, by using the DestinationElementType as
// the casting type.
// Source and destination array types must have defined opearator[] in their
// API.
#define itkForLoopRoundingAndAssignmentMacro(DestinationType,                         \
                                             Sourcrnd_halfintup,                      \
                                             DestinationElementType,                  \
                                             DestinationArray,                        \
                                             SourceArray,                             \
                                             NumberOfIterations)                      \
  for ( unsigned int i = 0; i < NumberOfIterations; ++i )                             \
    {                                                                                 \
    DestinationArray[i] = itk::Math::Round< DestinationElementType >(SourceArray[i]); \
    }

// end of Template Meta Programming helper macros

#ifndef NDEBUG

#ifdef _POSIX_SOURCE
#define itkAssertInDebugOrThrowInReleaseMacro(msg) __assert_fail (msg, __FILE__, __LINE__, __ASSERT_FUNCTION);
#else
#define itkAssertInDebugOrThrowInReleaseMacro(msg) itkGenericExceptionMacro(<< msg);
#endif

#else
#define itkAssertInDebugOrThrowInReleaseMacro(msg) itkGenericExceptionMacro(<< msg);
#endif

#define itkAssertOrThrowMacro(test, message)                       \
  if ( !( test ) )                                                 \
    {                                                              \
    std::ostringstream msgstr;                                     \
    msgstr << message;                                             \
    itkAssertInDebugOrThrowInReleaseMacro( msgstr.str().c_str() ); \
    }

#ifndef NDEBUG
#define itkAssertInDebugAndIgnoreInReleaseMacro(X) assert(X)
#else
#define itkAssertInDebugAndIgnoreInReleaseMacro(X)
#endif

#ifdef ITKV3_COMPATIBILITY
// As of MSVS++ 7.1 and greater, typename is supported in templates
// All ITKv4 compilers support the typename keyword, but this is
// needed to ease transition from ITKv3.
#define ITK_TYPENAME typename
#endif

/** itkDynamicCastInDebugMode
  * Use static_cast in Release builds, and dynamic_cast in Debug
  */
template <typename TTarget, typename TSource>
TTarget itkDynamicCastInDebugMode(TSource x)
{
#ifndef NDEBUG
  if(x == 0)
    {
    return 0;
    }
  TTarget rval = dynamic_cast<TTarget>(x);
  if(rval == 0)
    {
    itkGenericExceptionMacro(<< "Failed dynamic cast to "
                             << typeid(TTarget).name()
                             << " object type = "
                             << x->GetNameOfClass());
    }
  return rval;
#else
  return static_cast<TTarget>(x);
#endif

//  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//  !!  The ITK Get/Set Macros for various types !!
//  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//This is probably better, but requires a lot of extra work
//for gettting ExplicitInstantiation to work properly. \#define
// itkStaticConstMacro(name, type, value) static const type name = value
#define itkStaticConstMacro(name, type, value) enum { name = value }

#define itkGetStaticConstMacro(name) (Self::name)

/** Set an input. This defines the Set"name"() method */
#define itkSetInputMacro(name, type)                                              \
  virtual void Set##name(const type *_arg)                                        \
    {                                                                             \
    itkDebugMacro("setting input " #name " to " << _arg);                         \
    if ( _arg != static_cast< type * >( this->ProcessObject::GetInput(#name) ) )  \
      {                                                                           \
      this->ProcessObject::SetInput( #name, const_cast< type * >( _arg ) );       \
      this->Modified();                                                           \
      }                                                                           \
    }

/** Get an input. This defines the Get"name"() method */
#define itkGetInputMacro(name, type)                                                                            \
  virtual const type * Get##name() const                                                                        \
    {                                                                                                           \
    itkDebugMacro( "returning input " << #name " of "                                                           \
                                      << static_cast< const type * >( this->ProcessObject::GetInput(#name) ) ); \
    return static_cast< const type * >( this->ProcessObject::GetInput(#name) );                                 \
    }

/** Set a decorated input. This defines the Set"name"() and a Set"name"Input() method */
#define itkSetDecoratedInputMacro(name, type)                                                                 \
  virtual void Set##name##Input(const SimpleDataObjectDecorator< type > *_arg)                                \
    {                                                                                                         \
    itkDebugMacro("setting input " #name " to " << _arg);                                                     \
    if ( _arg != static_cast< SimpleDataObjectDecorator< type > * >( this->ProcessObject::GetInput(#name) ) ) \
      {                                                                                                       \
      this->ProcessObject::SetInput( #name, const_cast< SimpleDataObjectDecorator< type > * >( _arg ) );      \
      this->Modified();                                                                                       \
      }                                                                                                       \
    }                                                                                                         \
  virtual void Set##name(const type &_arg)                           \
    {                                                                \
    typedef SimpleDataObjectDecorator< type > DecoratorType;         \
    itkDebugMacro("setting input " #name " to " << _arg);            \
    const DecoratorType *oldInput =                                  \
      static_cast< const DecoratorType * >(                          \
        this->ProcessObject::GetInput(#name) );                      \
    if ( oldInput && oldInput->Get() == _arg )                       \
      {                                                              \
      return;                                                        \
      }                                                              \
    typename DecoratorType::Pointer newInput = DecoratorType::New(); \
    newInput->Set(_arg);                                             \
    this->Set##name##Input(newInput);                                \
    }

/** Set a decorated input. This defines the Set"name"() and Set"name"Input() method */
#define itkGetDecoratedInputMacro(name, type)                                                                 \
  virtual const SimpleDataObjectDecorator< type > * Get##name##Input() const                                                                 \
    {                                                                                                                                        \
    itkDebugMacro( "returning input " << #name " of "                                                                                        \
                                      << static_cast< const SimpleDataObjectDecorator< type > * >( this->ProcessObject::GetInput(#name) ) ); \
    return static_cast< const SimpleDataObjectDecorator< type > * >( this->ProcessObject::GetInput(#name) );                                 \
    }                                                                \
  virtual const type & Get##name() const                             \
    {                                                                \
    itkDebugMacro("Getting input " #name);                           \
    typedef SimpleDataObjectDecorator< type > DecoratorType;         \
    const DecoratorType *input =                                     \
      static_cast< const DecoratorType * >(                          \
        this->ProcessObject::GetInput(#name) );                      \
    if( input == NULL )                                              \
      {                                                              \
      itkExceptionMacro(<<"input" #name " is not set");              \
      }                                                              \
    return input->Get();                                             \
    }

/** Set a decorated input. This defines the Set"name"() and Set"name"Input() method
 * and Get"name" and Get"name"Input methods */
#define itkSetGetDecoratedInputMacro(name, type)  \
  itkSetDecoratedInputMacro(name, type)           \
  itkGetDecoratedInputMacro(name, type)

/** Set a decorated input that derives from itk::Object, but not from
 * itk::DataObject. This defines the Set"name"() and Set"name"Input
 * methods.
 */
#define itkSetDecoratedObjectInputMacro(name, type)          \
  virtual void Set##name##Input(const DataObjectDecorator< type > *_arg)                                \
    {                                                                                                   \
    itkDebugMacro("setting input " #name " to " << _arg);                                               \
    if ( _arg != static_cast< DataObjectDecorator< type > * >( this->ProcessObject::GetInput(#name) ) ) \
      {                                                                                                 \
      this->ProcessObject::SetInput( #name, const_cast< DataObjectDecorator< type > * >( _arg ) );      \
      this->Modified();                                                                                 \
      }                                                                                                 \
    }                                                                                                   \
  virtual void Set##name(const type * _arg)                          \
    {                                                                \
    typedef DataObjectDecorator< type > DecoratorType;               \
    itkDebugMacro("setting input " #name " to " << _arg);            \
    const DecoratorType *oldInput =                                  \
      static_cast< const DecoratorType * >(                          \
        this->ProcessObject::GetInput(#name) );                      \
    if ( oldInput && oldInput->Get() == _arg )                       \
      {                                                              \
      return;                                                        \
      }                                                              \
    typename DecoratorType::Pointer newInput = DecoratorType::New(); \
    newInput->Set(_arg);                                             \
    this->Set##name##Input(newInput);                                \
    }

/** Get a decorated input that derives from itk::Object, but not from
 * itk::DataObject. This defines the Get"name"() and Get"name"Input
 * methods.
 */
#define itkGetDecoratedObjectInputMacro(name, type)          \
  virtual const DataObjectDecorator< type > * Get##name##Input() const                                                                 \
    {                                                                                                                                  \
    itkDebugMacro( "returning input " << #name " of "                                                                                  \
                                      << static_cast< const DataObjectDecorator< type > * >( this->ProcessObject::GetInput(#name) ) ); \
    return static_cast< const DataObjectDecorator< type > * >( this->ProcessObject::GetInput(#name) );                                 \
    }                                                                \
  virtual const type * Get##name() const                             \
    {                                                                \
    itkDebugMacro("Getting input " #name);                           \
    typedef DataObjectDecorator< type > DecoratorType;               \
    const DecoratorType *input =                                     \
      static_cast< const DecoratorType * >(                          \
        this->ProcessObject::GetInput(#name) );                      \
    if( input == NULL )                                              \
      {                                                              \
      itkExceptionMacro(<<"input" #name " is not set");              \
      }                                                              \
    return input->Get();                                             \
    }

/** Set a decorated input. This defines the Set"name"() and Set"name"Input() method
 * and Get"name" and Get"name"Input methods */
#define itkSetGetDecoratedObjectInputMacro(name, type)  \
  itkSetDecoratedObjectInputMacro(name, type)           \
  itkGetDecoratedObjectInputMacro(name, type)

/** Set built-in type.  Creates member Set"name"() (e.g., SetVisibility()); */
#define itkSetMacro(name, type)                      \
  virtual void Set##name (const type _arg)         \
    {                                                \
    itkDebugMacro("setting " #name " to " << _arg); \
    if ( this->m_##name != _arg )                  \
      {                                              \
      this->m_##name = _arg;                       \
      this->Modified();                              \
      }                                              \
    }

/** Get built-in type.  Creates member Get"name"() (e.g., GetVisibility()); */
#define itkGetMacro(name, type)                                       \
  virtual type Get##name ()                                         \
    {                                                                 \
    return this->m_##name;                                          \
    }

/** Get built-in type.  Creates member Get"name"() (e.g., GetVisibility());
 * This is the "const" form of the itkGetMacro.  It should be used unless
 * the member can be changed through the "Get" access routine. */
#define itkGetConstMacro(name, type)                                  \
  virtual type Get##name () const                                   \
    {                                                                 \
    return this->m_##name;                                          \
    }

/** Get built-in type.  Creates member Get"name"() (e.g., GetVisibility());
 * This is the "const" form of the itkGetMacro.  It should be used unless
 * the member can be changed through the "Get" access routine.
 * This versions returns a const reference to the variable. */
#define itkGetConstReferenceMacro(name, type)                         \
  virtual const type &Get##name () const                            \
    {                                                                 \
    return this->m_##name;                                          \
    }

/** Set built-in type.  Creates member Set"name"() (e.g., SetVisibility());
 * This should be use when the type is an enum. It is use to avoid warnings on
 * some compilers with non specified enum types passed to
 * itkDebugMacro. */
#define itkSetEnumMacro(name, type)                                           \
  virtual void Set##name (const type _arg)                                  \
    {                                                                         \
    itkDebugMacro( "setting " #name " to " << static_cast< long >( _arg ) ); \
    if ( this->m_##name != _arg )                                           \
      {                                                                       \
      this->m_##name = _arg;                                                \
      this->Modified();                                                       \
      }                                                                       \
    }

/** Get built-in type.  Creates member Get"name"() (e.g., GetVisibility());
  * This should be use when the type is an enum. It is use to avoid warnings on
  * some compilers with non specified enum types passed to
  * itkDebugMacro. */
#define itkGetEnumMacro(name, type)                                           \
  virtual type Get##name () const                                             \
    {                                                                         \
    return this->m_##name;                                                    \
    }

/** Set character string.  Creates member Set"name"()
 * (e.g., SetFilename(char *)). The macro assumes that
 * the class member (name) is declared a type std::string. */
#define itkSetStringMacro(name)                             \
  virtual void Set##name (const char *_arg)               \
    {                                                       \
    if ( _arg && ( _arg == this->m_##name ) ) { return; } \
    if ( _arg )                                             \
      {                                                     \
      this->m_##name = _arg;                              \
      }                                                     \
    else                                                    \
      {                                                     \
      this->m_##name = "";                                \
      }                                                     \
    this->Modified();                                       \
    }                                                       \
  virtual void Set##name (const std::string & _arg)       \
    {                                                       \
    this->Set##name( _arg.c_str() );                      \
    }                                                       \


/** Get character string.  Creates member Get"name"()
 * (e.g., SetFilename(char *)). The macro assumes that
 * the class member (name) is declared as a type std::string. */
#define itkGetStringMacro(name)            \
  virtual const char *Get##name () const \
    {                                      \
    return this->m_##name.c_str();       \
    }

/** Set built-in type where value is constrained between min/max limits.
 * Create member Set"name"() (e.q., SetRadius()). \#defines are
 * convienience for clamping open-ended values. */
#define itkSetClampMacro(name, type, min, max)                                    \
  virtual void Set##name (type _arg)                                            \
    {                                                                             \
    itkDebugMacro("setting " << #name " to " << _arg);                           \
    if ( this->m_##name != ( _arg < min ? min : ( _arg > max ? max : _arg ) ) ) \
      {                                                                           \
      this->m_##name = ( _arg < min ? min : ( _arg > max ? max : _arg ) );      \
      this->Modified();                                                           \
      }                                                                           \
    }

/** Set pointer to object; uses Object reference counting methodology.
 * Creates method Set"name"() (e.g., SetPoints()). Note that using
 * smart pointers requires using real pointers when setting input,
 * but returning smart pointers on output. */
#define itkSetObjectMacro(name, type)                   \
  virtual void Set##name (type * _arg)                \
    {                                                   \
    itkDebugMacro("setting " << #name " to " << _arg); \
    if ( this->m_##name != _arg )                     \
      {                                                 \
      this->m_##name = _arg;                          \
      this->Modified();                                 \
      }                                                 \
    }

/** Get a smart pointer to an object.  Creates the member
 * Get"name"() (e.g., GetPoints()).
 * NOTE:  This function returns a non-const
 * version of the internal member variable
 * and could easily be used to modify the
 * behavior of the class without
 * properly resetting the pipeline
 * symantics */
// NOTE: A class can use either itkGetModifiableObjectMacro
//       or itkGetObjectMacro, but not both.
//       A class can use either itkGetModifiableObjectMacro
//       or itkGetConstObjectMacro, but not both.
//       If the desired behavior is to only provide const
//       access to the itkObject ivar, then use itkGetConstObjectMacro,
//       else use itkGetModifiableObjectMacro for read/write access to
//       the ivar.
//       It is permissable to use both itkGetObjectMacro and itkGetConstObjectMacro
//       for backwards compatibility.
//       If the ITK_LEGACY_REMOVE=FALSE, then it is
//       permissable to use itkGetObjectMacro which
//       defines both signatures itk::GetXXX() and
//       itk::GetModifiableXXX()

/** Get a smart const pointer to an object.  Creates the member
 * Get"name"() (e.g., GetPoints()). */
#define itkGetConstObjectMacro(name, type)            \
  virtual const type * Get##name () const             \
    {                                                 \
    return this->m_##name.GetPointer();               \
    }


#if defined ( ITK_FUTURE_LEGACY_REMOVE )
// In the future, the itkGetObjectMacro will be deprecated with the ITK_LEGACY_REMOVE
// flag.  For now, this very advanced feature is only available
// through manual setting of a compiler define -DITK_FUTURE_LEGACY_REMOVE
// ("/DITK_FUTURE_LEGACY_REMOVE /EHsc" with Visual Studio)
// to ease the transition from the historical GetObjectMacro to the GetModifiableObjectMacro
#  define itkGetObjectMacro(name, type)                                                         \
  virtual type * Get##name ()                                                                   \
    {                                                                                           \
    purposeful_error("itkGetObjectMacro should be replaced with itkGetModifiableObjectMacro."); \
    }

#  define itkGetModifiableObjectMacro(name, type)     \
  virtual type * GetModifiable##name ()               \
    {                                                 \
    return this->m_##name.GetPointer();               \
    }                                                 \
  itkGetConstObjectMacro(name, type)

#else  // defined ( ITK_FUTURE_LEGACY_REMOVE )
/** Get a smart pointer to an object.  Creates the member
 * Get"name"() (e.g., GetPoints()). */
# define itkGetObjectMacro(name, type)                \
  virtual type * Get##name ()                         \
    {                                                 \
    return this->m_##name.GetPointer();               \
    }
#  define itkGetModifiableObjectMacro(name, type)     \
  virtual type * GetModifiable##name ()               \
    {                                                 \
    return this->m_##name.GetPointer();               \
    }                                                 \
  itkGetConstObjectMacro(name, type)                  \
  itkGetObjectMacro(name, type)
#endif // defined ( ITK_FUTURE_LEGACY_REMOVE )

// For backwards compatibility define ITK_EXPORT to nothing
#define ITK_EXPORT


/** Get a const reference to a smart pointer to an object.
 * Creates the member Get"name"() (e.g., GetPoints()). */
#define itkGetConstReferenceObjectMacro(name, type)                     \
  virtual const typename type::Pointer & Get##name () const             \
    {                                                                   \
    return this->m_##name;                                              \
    }

/** Set const pointer to object; uses Object reference counting methodology.
 * Creates method Set"name"() (e.g., SetPoints()). Note that using
 * smart pointers requires using real pointers when setting input,
 * but returning smart pointers on output. */
#define itkSetConstObjectMacro(name, type)              \
  virtual void Set##name (const type * _arg)          \
    {                                                   \
    itkDebugMacro("setting " << #name " to " << _arg); \
    if ( this->m_##name != _arg )                     \
      {                                                 \
      this->m_##name = _arg;                          \
      this->Modified();                                 \
      }                                                 \
    }

/** Create members "name"On() and "name"Off() (e.g., DebugOn() DebugOff()).
 * Set method must be defined to use this macro. */
#define itkBooleanMacro(name) \
  virtual void name##On ()  \
    {                         \
    this->Set##name(true);  \
    }                         \
  virtual void name##Off () \
    {                         \
    this->Set##name(false); \
    }

/** General set vector macro creates a single method that copies specified
 * number of values into object.
 * Examples: void SetColor(c,3) */
#define itkSetVectorMacro(name, type, count) \
  virtual void Set##name(type data[])      \
    {                                        \
    unsigned int i;                          \
    for ( i = 0; i < count; i++ )            \
      {                                      \
      if ( data[i] != this->m_##name[i] )  \
        {                                    \
        break;                               \
        }                                    \
      }                                      \
    if ( i < count )                         \
      {                                      \
      this->Modified();                      \
      for ( i = 0; i < count; i++ )          \
        {                                    \
        this->m_##name[i] = data[i];       \
        }                                    \
      }                                      \
    }

/** Get vector macro. Returns pointer to type (i.e., array of type).
 * This is for efficiency. */
#define itkGetVectorMacro(name, type, count) \
  virtual type * Get##name () const        \
    {                                        \
    return this->m_##name;                 \
    }

/** Construct a non-templatized helper class that
 * provides the GPU kernel source code as a const char*
 */
#define itkGPUKernelClassMacro(kernel)   \
class kernel                  \
  {                                      \
    public:                              \
      static const char* GetOpenCLSource(); \
    private:                             \
      kernel();                          \
      virtual ~kernel();                 \
      kernel(const kernel &);            \
      void operator=(const kernel &);    \
  };

#define itkGetOpenCLSourceFromKernelMacro(kernel) \
  static const char* GetOpenCLSource() \
  {                                 \
    return kernel::GetOpenCLSource();  \
  }

}

#endif //end of itkMacro.h