| Name | Type | Default | Description |
|---|---|---|---|
| kperp | double precision | None | Perpendicular wavenumber, normalized by inverse reference inertial length, . |
| kpar | double precision | None | Parallel wavenumber, normalized by inverse reference inertial length, . |
| nspec | integer | None | Number of plasma components. |
| nroots | integer | None | Number of dispersion solutions under consideration. |
| use_map | logical | None | Choice of: (T) searching for roots over a map in complex frequency space, via map_read; (F) input (nroots) guesses for solutions, via solution_read |
| writeOut | logical | .true. | Write or suppress output to screen. |
| nperp | integer | None | Number of perpendicular momentum space grid points, . |
| npar | integer | None | Number of parallel momentum space grid points, . |
| ngamma | integer | 100 | Number of grid points in relativitic , (Eqn. 3.14). |
| npparbar | integer | 200 | Number of grid points in dimensionless paralell momentum , . |
| vA | double precision | None | Alfven Velocity, normalized to speed of light, . |
| arrayName | character(len=75) | None | Name of input files for distributions. |
| Bessel_zero | double precision | 1.d-45 | Calculate Bessel functions until the maximum is less than this value. |
| secant_method | integer | 2 | Selection of root finding method. 0: secant 1: rtsec 2: secant_osc: an improvement to reduce oscillatory loops. |
| numiter | integer | 50 | Maximum number of iterations in secant method. |
| D_threshold | double precision | 1.d-5 | Minimum threshold for secant method. |
| D_prec | double precision | 1.d-5 | Size of bounding region for secant method. |
| D_gap | double precision | 1.d-5 | Size of allowable difference between roots. |
| positions_principal | integer | 5 | Number of parallel momentum steps distant from the resonant momentum included in the numerical calculation of Eqn 3.5, . |
| Tlim | double precision | 0.01d0 | Threshold for analytical principal-value integration for evaluating Eqn 3.6 and 3.7, . |
| maxsteps_fit | integer | 500 | Maximum number of fitting iterations. |
| lambda_initial_fit | double precision | 1.d0 | Inital Levenberg-Marquardt damping parameter. |
| lambdafac_fit | double precision | 1.d1 | Adjustment factor for Levenberg-Marquardt damping parameter. |
| epsilon_fit | double precision | 1.d-8 | Convergence for Levenberg-Marquardt fit. |
| fit_check | logical | .true. | If true, output fitted functions to ASCII file for each species. |
| determine_minima | logical | .true. | If true, after map search, determine minima and refine solutions. |
| n_resonance_interval | integer | 100 | How many steps should be used to integrate around the resonance, , used for integrating near poles (see section 3.1). |
| scan_option | integer | 1 | Select case for scans; 1) consecutive scans along input paths in wavevector space, 2) double scans of two selected parameters. |
| n_scan | integer | 0 | Number of wavevector scans. Must be set to 2 for scan_option=2; Must be 1 or larger for scan_option=1. 0 turns off wavevector scans. |