Zhang-Shu positivity limiter for a 2D Euler face state (neq2d=4). Blends the reconstructed face state toward the cell average until density rho >= eps and pressure p >= eps. A no-op in smooth regions.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=wp), | intent(inout) | :: | qf(neq2d) | |||
| real(kind=wp), | intent(in) | :: | qa(neq2d) | |||
| real(kind=wp), | intent(in) | :: | gam |