xref: /petsc/src/ts/adapt/impls/none/adaptnone.c (revision 8cc058d9cd56c1ccb3be12a47760ddfc446aaffc)
1b45d2f2cSJed Brown #include <petsc-private/tsimpl.h> /*I "petscts.h" I*/
2b0f836d7SJed Brown 
3b0f836d7SJed Brown #undef __FUNCT__
4b0f836d7SJed Brown #define __FUNCT__ "TSAdaptChoose_None"
5b0f836d7SJed Brown static PetscErrorCode TSAdaptChoose_None(TSAdapt adapt,TS ts,PetscReal h,PetscInt *next_sc,PetscReal *next_h,PetscBool *accept,PetscReal *wlte)
6b0f836d7SJed Brown {
7b0f836d7SJed Brown 
8b0f836d7SJed Brown   PetscFunctionBegin;
9b0f836d7SJed Brown   *accept  = PETSC_TRUE;
10b0f836d7SJed Brown   *next_sc = 0;                 /* Reuse the same order scheme */
11b0f836d7SJed Brown   *next_h  = h;                 /* Reuse the old step */
12b0f836d7SJed Brown   *wlte    = -1;                /* Weighted local truncation error was not evaluated */
13b0f836d7SJed Brown   PetscFunctionReturn(0);
14b0f836d7SJed Brown }
15b0f836d7SJed Brown 
16b0f836d7SJed Brown #undef __FUNCT__
17b0f836d7SJed Brown #define __FUNCT__ "TSAdaptCreate_None"
18b0f836d7SJed Brown /*MC
19b0f836d7SJed Brown    TSADAPTNONE - Time stepping controller that always accepts the current step and does not change it
20b0f836d7SJed Brown 
21b0f836d7SJed Brown    Level: intermediate
22b0f836d7SJed Brown 
23b0f836d7SJed Brown .seealso: TS, TSAdapt, TSSetAdapt()
24b0f836d7SJed Brown M*/
25*8cc058d9SJed Brown PETSC_EXTERN PetscErrorCode TSAdaptCreate_None(TSAdapt adapt)
26b0f836d7SJed Brown {
27b0f836d7SJed Brown 
28b0f836d7SJed Brown   PetscFunctionBegin;
29b0f836d7SJed Brown   adapt->ops->choose = TSAdaptChoose_None;
30b0f836d7SJed Brown   PetscFunctionReturn(0);
31b0f836d7SJed Brown }
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