PETSc version 3.17.4
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# MatMumpsSetCntl

Set MUMPS parameter CNTL()

### Synopsis

    #include "petscmat.h"
    PetscErrorCode MatMumpsSetCntl(Mat F,PetscInt icntl,PetscReal val)

Logically Collective on Mat

### Input Parameters

| F | - the factored matrix obtained by calling MatGetFactor() from PETSc-MUMPS interface
| icntl | - index of MUMPS parameter array CNTL()
| val | - value of MUMPS CNTL(icntl)

### Options Database

| -mat_mumps_cntl_<icntl> <val> | - change the option numbered icntl to ival

### References

| * | - MUMPS Users' Guide

### See Also

MatGetFactor(), MatMumpsSetIcntl(), MatMumpsGetIcntl(), MatMumpsGetCntl(), MatMumpsGetInfo(), MatMumpsGetInfog(), MatMumpsGetRinfo(), MatMumpsGetRinfog()

### Level

beginner

### Location

src/mat/impls/aij/mpi/mumps/mumps.c

### Examples

src/ksp/ksp/tutorials/ex52.c.html
src/ksp/ksp/tutorials/ex52f.F90.html

### Implementations

MatMumpsSetCntl_MUMPS in src/mat/impls/aij/mpi/mumps/mumps.c
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