petsc-3.12.4 2020-02-04
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# SNESReset

Resets a SNES context to the snessetupcalled = 0 state and removes any allocated Vecs and Mats

### Synopsis

    #include "petscsnes.h"
    PetscErrorCode  SNESReset(SNES snes)

Collective on SNES

### Input Parameter

snes -iterative context obtained from SNESCreate()

### Notes

Also calls the application context destroy routine set with SNESSetComputeApplicationContext()

### See Also

SNESCreate(), SNESSetUp(), SNESSolve()

### Level

intermediate

### Location

src/snes/interface/snes.c

### Implementations

SNESReset_Composite in src/snes/impls/composite/snescomposite.c
SNESReset_FAS in src/snes/impls/fas/fas.c
SNESReset_NGS in src/snes/impls/gs/snesgs.c
SNESReset_NEWTONLS in src/snes/impls/ls/ls.c
SNESReset_MS in src/snes/impls/ms/ms.c
SNESReset_Multiblock in src/snes/impls/multiblock/multiblock.c
SNESReset_NASM in src/snes/impls/nasm/nasm.c
SNESReset_NCG in src/snes/impls/ncg/snesncg.c
SNESReset_NGMRES in src/snes/impls/ngmres/snesngmres.c
SNESReset_Patch in src/snes/impls/patch/snespatch.c
SNESReset_QN in src/snes/impls/qn/qn.c
SNESReset_NRichardson in src/snes/impls/richardson/snesrichardson.c
SNESReset_Shell in src/snes/impls/shell/snesshell.c
SNESReset_NEWTONTR in src/snes/impls/tr/tr.c
SNESReset_VINEWTONRSLS in src/snes/impls/vi/rs/virs.c
SNESReset_VINEWTONSSLS in src/snes/impls/vi/ss/viss.c
SNESReset_VI in src/snes/impls/vi/vi.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages