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: {

  7:   *accept  = PETSC_TRUE;
  8:   *next_sc = 0;                 /* Reuse the same order scheme */
  9:   *next_h  = h;                 /* Reuse the old step */
 10:   *wlte    = -1;                /* Weighted local truncation error was not evaluated */
 11:   *wltea   = -1;                /* Weighted absolute local truncation error was not evaluated */
 12:   *wlter   = -1;                /* Weighted relative local truncation error was not evaluated */
 13:   return(0);
 14: }

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

 19:    Level: intermediate

 21: .seealso: TS, TSAdapt, TSAdaptChoose()
 22: M*/
 23: PETSC_EXTERN PetscErrorCode TSAdaptCreate_None(TSAdapt adapt)
 24: {

 27:   adapt->ops->choose = TSAdaptChoose_None;
 28:   return(0);
 29: }