Searched refs:EXIF_LOG2 (Results 1 – 1 of 1) sorted by relevance
26 #define EXIF_LOG2(x) (log((double)(x)) / log(2.0)) macro27 #define APEX_FNUM_TO_APERTURE(x) ((EXIF_LOG2((double)(x))) * 2.0)29 (int)(-(EXIF_LOG2((double)(x)) + 0.5)) : \30 (int)(-(EXIF_LOG2((double)(x)) - 0.5)))31 #define APEX_ISO_TO_FILMSENSITIVITY(x) ((int)(EXIF_LOG2((x) / 3.125) + 0.5))