| 1 | < | /* Copyright (c) 1997 Regents of the University of California */ | 
| 1 | > | /* Copyright (c) 1998 Silicon Graphics, Inc. */ | 
| 2 |  |  | 
| 3 | < | /* SCCSid "$SunId$ LBL" */ | 
| 3 | > | /* SCCSid "$SunId$ SGI" */ | 
| 4 |  |  | 
| 5 |  | /* | 
| 6 |  | * Header file for picture file conditioning. | 
| 25 |  |  | 
| 26 |  | #define HISTRES         100             /* histogram resolution */ | 
| 27 |  |  | 
| 28 | < | #define LMIN            1e-4            /* minimum visible world luminance */ | 
| 28 | > | #define LMIN            1e-7            /* minimum visible world luminance */ | 
| 29 |  | #define LMAX            1e5             /* maximum visible world luminance */ | 
| 30 |  |  | 
| 31 |  | #define Bl(Lw)          log(Lw)         /* brightness function */ |