Struct SolverOpts

pub struct SolverOpts {

    pub z_start: Option<f64>,
    pub z_end: f64,
    pub dy_max: Option<f64>,
    pub dtau_max: Option<f64>,
    pub n_points: Option<usize>,
    pub disable_dcbr: bool,
    pub split_dcbr: bool,
    pub cn_dcbr: bool,
    pub number_conserving: bool,
    pub nc_stride: Option<usize>,
    pub nc_z_min: Option<f64>,
    pub production_grid: bool,
    pub dn_planck: Option<f64>,
    pub no_auto_refine: bool,
    pub n_threads: Option<usize>,
    pub dtau_max_photon_source: Option<f64>,
}

Solver tuning parameters.

Fields

z_start: Option<f64>

Starting redshift --z-start. None lets each subcommand pick a default.

z_end: f64

Ending redshift --z-end (default 500.0).

dy_max: Option<f64>

Cap on adaptive y-step --dy-max.

dtau_max: Option<f64>

Cap on adaptive optical-depth step --dtau-max.

n_points: Option<usize>

Frequency-grid point count --n-points. Overrides the built-in fast / production presets.

disable_dcbr: bool

Disable double-Compton + bremsstrahlung emission/absorption (--no-dcbr).

split_dcbr: bool

Split the DC/BR step into separate DC and BR substeps (--split-dcbr).

cn_dcbr: bool

Use Crank-Nicolson (instead of backward Euler) for the DC/BR solve (--cn-dcbr). Diagnostic only — known to fail at low x.

number_conserving: bool

Keep the photon-number-conserving Kompaneets correction enabled (default true; disabled with --no-number-conserving).

nc_stride: Option<usize>

Apply the number-conserving correction every nc_stride steps (--nc-stride).

nc_z_min: Option<f64>

Lower-z cutoff --nc-z-min below which the number-conserving correction is suppressed.

production_grid: bool

Use the high-resolution production grid preset (--production-grid).

dn_planck: Option<f64>

Override the initial-condition Δn at z_start (--dn-planck); used for adiabatic / baseline diagnostics.

no_auto_refine: bool

Disable automatic grid refinement for photon-injection scenarios (--no-auto-refine).

n_threads: Option<usize>

Thread count for parallel sweep execution (--threads).

dtau_max_photon_source: Option<f64>

Maximum dtau per step during photon-source injection (--dtau-max-photon-source); tightens the timestep near a delta-line source.

Trait Implementations

impl Debug for SolverOpts

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

Formats the value using the given formatter.

impl Default for SolverOpts

fn default() -> Self

Returns the “default value” for a type.