MetricTypeToString 2261 magick/command.c     fprintf(stdout,"Image Difference (%s):\n",MetricTypeToString(metric));
MetricTypeToString  544 magick/compare.c                    MetricTypeToString(metric));
MetricTypeToString   58 magick/enum_strings.h   extern MagickExport const char *MetricTypeToString(MetricType metric);