read_num_class_data  160 samples/cpp/letter_recog.cpp     bool ok = read_num_class_data( data_filename, 16, &data, &responses );
read_num_class_data  229 samples/cpp/letter_recog.cpp     bool ok = read_num_class_data( data_filename, 16, &data, &responses );
read_num_class_data  353 samples/cpp/letter_recog.cpp     bool ok = read_num_class_data( data_filename, 16, &data, &responses );
read_num_class_data  429 samples/cpp/letter_recog.cpp     bool ok = read_num_class_data( data_filename, 16, &data, &responses );
read_num_class_data  455 samples/cpp/letter_recog.cpp     bool ok = read_num_class_data( data_filename, 16, &data, &responses );
read_num_class_data  482 samples/cpp/letter_recog.cpp     bool ok = read_num_class_data( data_filename, 16, &data, &responses );