All important information about the creation, training, and testing
of a network is recorded in the logfile. After running the program,
information about the training parameters, the time needed to train,
or the performance on the data set can be recalled. The file is
The function fflush(FILE*) is used after logfile entries have been made to ensure that the work done up to this point is not lost in case of failure.
For an example of a logfile see appendix B.1. The information stored in the logfile made the evaluation of tests much easier.