petsc-3.14.5 2021-03-03
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# TSAdaptHistoryGetStep

Gets time and time step for a given step number in the history

### Synopsis

    #include "petscts.h"
    PetscErrorCode TSAdaptHistoryGetStep(TSAdapt adapt, PetscInt step, PetscReal *t, PetscReal *dt)

Logically Collective on TSAdapt

### Input Parameters

| adapt | - the TSAdapt context
| step | - the step number

### Output Parameters

| t | - the time corresponding to the requested step (can be NULL)
| dt | - the time step to be taken at the requested step (can be NULL)

Notes: The time history is internally copied, and the user can free the hist array. The user still needs to specify the termination of the solve via TSSetMaxSteps().

### See Also

TSGetAdapt(), TSAdaptSetType(), TSAdaptHistorySetTrajectory(), TSADAPTHISTORY

### Level

advanced

### Location

src/ts/adapt/impls/history/adapthist.c

### Examples

src/ts/tutorials/ex40.c.html
src/ts/tutorials/ex41.c.html
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages