Struct Tfc

pub struct Tfc {
    pub n_records: u32,
    pub n_flagged_bins: u32,
    pub n_region_bins: u32,
    pub n_user_bins: u32,
    pub n_segment_bins: u32,
    pub n_multiplier_bins: u32,
    pub n_cosine_bins: u32,
    pub n_energy_bins: u32,
    pub n_time_bins: u32,
    pub results: Vec<TfcResult>,
}

Tally fluctuation chart

The entire tally fluctuation chart is recorded. The first line contains the number of bins and metadata.

TFC <n> <jtf>

• n is the number of sets of tally fluctuation data
• jtf is a list of 8 numbers, indices of the tally fluctuation chart bins

These are recorded into the [TallyFluctuation] struct for convenience.

For example:

tfc    10       4       1       1      15       1       1       100       1

TallyFluctuation {
    n_records: 10,
    region_bins: 4,
    flagged_bins: 1,
    user_bins: 1,
    segment_bins: 15,
    multiplier_bins: 1,
    cosine_bins: 1,
    energy_bins: 100,
    time_bins: 1,
    results: [...]
}

In the MCTAL file, records for the table follow on as many lines as needed in the format: <nps> <mean> <error> <fom>.

These are stored as TfcResult records under [TallyFluctuation] results.

Fields

n_records: u32

Number of sets of tally fluctuation data

n_flagged_bins: u32

Number of flagged bins (total vs. direct or flagged vs. unflagged)

n_region_bins: u32

Number of regions (i.e. cells or surfaces)

n_user_bins: u32

Number of user bins

n_segment_bins: u32

Number of segments

n_multiplier_bins: u32

Number of multiplier bins

n_cosine_bins: u32

Number of cosine bins

n_energy_bins: u32

Number of energy bins

n_time_bins: u32

Number of time bins

results: Vec<TfcResult>

Tally fluctuation data. i.e. nps, mean, error, figure of merit.

Trait Implementations

impl Debug for Tfc

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for Tfc

fn default() -> Tfc

Returns the “default value” for a type.