POV-Ray: Newsgroups: povray.programming: objects.h - Copy_Flag: objects.h

POV-Ray : Newsgroups : povray.programming : objects.h - Copy_Flag : objects.h - Copy_Flag		Server Time 28 Jul 2024 08:22:52 EDT (-0400)

From: Massimo Valentini
Date: 13 Sep 2002 07:26:47
Message: <3d81cb77@news.povray.org>

Again, looking in the code I spotted this MACRO that seems to me
wrong:

-> File: objects.h Line: 55-56
 *   Copy_Flag   (Object1, Object2, Flag) : Set the Flag in Object1 to the
 *                                          value of the Flag in Object2.

-> File: objects.h Line: 108-111
#define Copy_Flag(Object1, Object2, Flag) \
  { (Object1)->Flags = (((Object1)->Flags) & (!Flag)) | \
                       (((Object2)->Flags) &  (Flag)); }




I think ~ is correct instead of !

#define Copy_Flag(Object1, Object2, Flag) \
  { (Object1)->Flags = (((Object1)->Flags) & (~Flag)) | \
                       (((Object2)->Flags) &  (Flag)); }

HTH Massimo

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