static void DebugNewErrors(ShapeClassifier *new_classifier, ShapeClassifier *old_classifier, CountTypes boosting_mode, const FontInfoTable &fontinfo_table, const GenericVector< Pix * > &page_images, SampleIterator *it)
static double ComputeErrorRate(ShapeClassifier *classifier, int report_level, CountTypes boosting_mode, const FontInfoTable &fontinfo_table, const GenericVector< Pix * > &page_images, SampleIterator *it, double *unichar_error, double *scaled_error, STRING *fonts_report)