Changed zero-radius sphere from error to warning
Continued ANSIfication. There are only bits and pieces left now.
Continued ANSIfication. Renamed local initotypes() to ot_initotypes().
Abstracted process and path handling for Windows. Renamed FLOAT to RREAL because of conflict on Windows. Added conditional compiles for some signal handlers.
Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
updated revision number for release 2.0
added FLOAT definition to better control size of structures
change sphere with negative radii into bubbles
Defined return values for intersection functions. Changed order of call to addobject to rotate O_IN objects.
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