Continued ANSIfication. There are only bits and pieces left now.
Added grouping parens to reduce ambiguity warnings.
Numerous bug fixes in new mesh code
Changed call order for proper function of two-sided, textured surfaces
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
minor fix in comment
added better computation of apparent distance for bright reflections
added missing material function return values
fixed potential use of unassigned transdist when bright(r->rcol)<0
fixed comment terminology
added test for illegal perturbation
Removed problematic math function declarations
fixed perturbation of transmitted ray to consider both sides
updated revision number for release 2.0
added option for fourth argument -- refractive index
improved accuracy through separate treatment of polarizations
fixed source tracing
changed initialization of effective length
fixed bug introduced by better trans distance comp.
fixed code for determining when to use trans distance
changed trans types to modify transmitted color and added perturbation to transmitted ray direction
improved setting of rt RAY parameter
improved computation of r->rt using brightness comparison
Added rt field to RAY structure for more accurate z-buffering
Changed intens() to bright(), which is better measure of visibility
Initial revision
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