PETSc version 3.17.0
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# PetscInfoDeactivateClass

Deactivates PetscInfo() messages for a PETSc object class.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode  PetscInfoDeactivateClass(PetscClassId classid)

Not Collective

### Input Parameter

| classid | - The object class, e.g., MAT_CLASSID, SNES_CLASSID, etc.

### Notes

One can pass 0 to deactivate all messages that are not associated with an object.

### See Also

PetscInfoActivateClass(), PetscInfo(), PetscInfoAllow(), PetscInfoSetFromOptions()

### Level

developer

### Location

src/sys/info/verboseinfo.c
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