-** This is part of the CTSim program
-** Copyright (C) 1983-2000 Kevin Rosenberg
-**
-** $Id: ir.h,v 1.22 2000/06/07 07:43:39 kevin Exp $
-** $Log: ir.h,v $
-** Revision 1.22 2000/06/07 07:43:39 kevin
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-** Revision 1.21 2000/06/07 03:49:54 kevin
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-** Revision 1.20 2000/06/07 02:30:27 kevin
-** Added C++ image files
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-** Revision 1.19 2000/06/07 00:59:38 kevin
-** added imagefiles
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-** Revision 1.18 2000/06/05 01:32:45 kevin
-** Added C++ compatibility
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-** Revision 1.17 2000/06/03 06:29:08 kevin
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-** Revision 1.16 2000/05/24 22:48:17 kevin
-** First functional version of SDF library for X-window
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-** Revision 1.15 2000/05/16 04:33:17 kevin
-** Updated documentation
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-** Revision 1.14 2000/05/11 14:07:00 kevin
-** Added support for Windows NT
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-** Revision 1.13 2000/05/08 20:00:48 kevin
-** ANSI C changes
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-** Revision 1.12 2000/05/07 12:46:19 kevin
-** made c++ compatible
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-** Revision 1.11 2000/05/05 02:37:31 kevin
-** renamed phmelm to pelm
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-** Revision 1.10 2000/05/04 18:16:34 kevin
-** renamed filter definitions
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-** Revision 1.9 2000/05/04 04:29:18 kevin
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-** Revision 1.8 2000/05/04 04:25:55 kevin
-** Renamed phantom and phantom-element functions/variables
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-** Revision 1.7 2000/05/03 19:51:41 kevin
-** function renaming for phantoms and phantom elements