#include <petsc/private/tsimpl.h> /*I "petscts.h" I*/

static PetscErrorCode TSAdaptChoose_None(TSAdapt adapt,TS ts,PetscReal h,PetscInt *next_sc,PetscReal *next_h,PetscBool *accept,PetscReal *wlte,PetscReal *wltea,PetscReal *wlter)
{

  PetscFunctionBegin;
  *accept  = PETSC_TRUE;
  *next_sc = 0;                 /* Reuse the same order scheme */
  *next_h  = h;                 /* Reuse the old step */
  *wlte    = -1;                /* Weighted local truncation error was not evaluated */
  *wltea   = -1;                /* Weighted absolute local truncation error was not evaluated */
  *wlter   = -1;                /* Weighted relative local truncation error was not evaluated */
  PetscFunctionReturn(0);
}

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

   Level: intermediate

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

  PetscFunctionBegin;
  adapt->ops->choose = TSAdaptChoose_None;
  PetscFunctionReturn(0);
}