xref: /petsc/src/ts/adapt/impls/none/adaptnone.c (revision 8c38e02a3678447a1eb0f10af923e943bbe70cd9)
1 #include <petsc/private/tsimpl.h> /*I "petscts.h" I*/
2 
TSAdaptChoose_None(TSAdapt adapt,TS ts,PetscReal h,PetscInt * next_sc,PetscReal * next_h,PetscBool * accept,PetscReal * wlte,PetscReal * wltea,PetscReal * wlter)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   PetscFunctionBegin;
6   *accept  = PETSC_TRUE;
7   *next_sc = 0;  /* Reuse the same order scheme */
8   *next_h  = h;  /* Reuse the old step */
9   *wlte    = -1; /* Weighted local truncation error was not evaluated */
10   *wltea   = -1; /* Weighted absolute local truncation error was not evaluated */
11   *wlter   = -1; /* Weighted relative local truncation error was not evaluated */
12   PetscFunctionReturn(PETSC_SUCCESS);
13 }
14 
15 /*MC
16    TSADAPTNONE - Time stepping controller that always accepts the current step and does not change it
17 
18    Level: intermediate
19 
20 .seealso: [](ch_ts), `TS`, `TSAdapt`, `TSAdaptChoose()`, `TSAdaptType`
21 M*/
TSAdaptCreate_None(TSAdapt adapt)22 PETSC_EXTERN PetscErrorCode TSAdaptCreate_None(TSAdapt adapt)
23 {
24   PetscFunctionBegin;
25   adapt->ops->choose = TSAdaptChoose_None;
26   PetscFunctionReturn(PETSC_SUCCESS);
27 }
28