Problem Definition Files
In FitBenchmarking, problems can be defined using several file formats.
The examples/benchmark_problems
directory holds a collection of these
that can be used for reference.
More information on the supported formats can be found on the following pages.
File Formats:
Detecting problem file type
FitBenchmarking detects which parser to use in two ways:
For the CUTEst file format we check that the extension of the data file is sif
For native and NIST file formats we check the first line of the file
# FitBenchmark Problem corresponds to the native format
# NIST/ITL StRD corresponds to the NIST format