/// \brief To be called after colvar_grid::read_raw() returns an error
voidread_raw_error()
{
cvm::fatal_error("Error: failed to read all of the grid points from file. Possible explanations: grid parameters in the configuration (lowerBoundary, upperBoundary, width) are different from those in the file, or the file is corrupt/incomplete.\n");
}
/// \brief Write the grid in a format which is both human readable
/// and suitable for visualization e.g. with gnuplot