Continued ANSIfication, and other fixes and clarifications.
Replaced most outdated BSD function calls with their posix equivalents, and cleaned up a few other platform dependencies.
Changed (char *) casts for memory copies to (void *) and other fixes
Added (void *) cast to realloc calls
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 -I option for precomputed histogram
added an extra histogram bin at lower limit to avoid clipping
added -i option to take fixation points on standard input
fixed writing of linear ramp with -m option
removed shiftdir() function, which is no longer needed
changed to histogram truncation made veiling reflection modify FOV sample image
added -m option to print out mapping function
corrected tests in check2do()
fixed bugs in color scaling
Initial revision
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