Actual source code: adaptnone.c

      1: #include <petsc/private/tsimpl.h>

      3: static PetscErrorCode TSAdaptChoose_None(TSAdapt adapt,TS ts,PetscReal h,PetscInt *next_sc,PetscReal *next_h,PetscBool *accept,PetscReal *wlte,PetscReal *wltea,PetscReal *wlter)
      4: {
      5:   *accept  = PETSC_TRUE;
      6:   *next_sc = 0;                 /* Reuse the same order scheme */
      7:   *next_h  = h;                 /* Reuse the old step */
      8:   *wlte    = -1;                /* Weighted local truncation error was not evaluated */
      9:   *wltea   = -1;                /* Weighted absolute local truncation error was not evaluated */
     10:   *wlter   = -1;                /* Weighted relative local truncation error was not evaluated */
     11:   return 0;
     12: }

     14: /*MC
     15:    TSADAPTNONE - Time stepping controller that always accepts the current step and does not change it

     17:    Level: intermediate

     19: .seealso: TS, TSAdapt, TSAdaptChoose()
     20: M*/
     21: PETSC_EXTERN PetscErrorCode TSAdaptCreate_None(TSAdapt adapt)
     22: {
     23:   adapt->ops->choose = TSAdaptChoose_None;
     24:   return 0;
     25: }