Eliminated copystruct() macro, which is unnecessary in ANSI. Reduced ambiguity warnings for nested if/if/else clauses.
Replaced most outdated BSD function calls with their posix equivalents, and cleaned up a few other platform dependencies.
Replaced inline copyright notice with #include "copyright.h"
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
added cylindrical view type
bug fix in aft clipping plane setting in moveview()
made view changes properly manage fore and aft clipping planes
added -vo and -va (fore and aft clipping plane) view options
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changed WFLUSH to be defined using SPEED if available
Removed problematic math function declarations
fixed bug in use of scanf() with SMLFLT defined
updated revision number for release 2.0
added stratified random sampling with urand
final version of memory recovery during image refinement
moved spinvector() to fvect.c
added fisheye view types
Nit-picking for Stardent C-compiler
cosmetic change to paint()
minor fixes in comments etc.
added explicit flush call to drivers
improved portability and speed of bcopy()
changed interface to normaspect()
added option for pixel aspect ratio
Changed handling of view parameters
Added ability to call repaint in detached drivers
added repaint command
Added auto-shrink for view parameters on small devices
Changed sense of elevation in pivot command
Added elevation to pivot and zoom to rotate commands
more efficient computation of distance
Changed behavior of move command for parallel views
Initial revision
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