PRECISION         135 filters/analyze.c       FormatString(text,PRECISION,brightness_mean);
PRECISION         140 filters/analyze.c       FormatString(text,PRECISION,brightness_stdev);
PRECISION         148 filters/analyze.c       FormatString(text,PRECISION,saturation_mean);
PRECISION         153 filters/analyze.c       FormatString(text,PRECISION,saturation_stdev);