PETSc version 3.17.4
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# MatPartitioningChacoSetEigenTol

Sets the tolerance for the eigensolver.

### Synopsis

    #include "petscmat.h"
    PetscErrorCode MatPartitioningChacoSetEigenTol(MatPartitioning part,PetscReal tol)

Collective on MatPartitioning

### Input Parameters

| part | - the partitioning context
| tol | - the tolerance

### Options Database

| -mat_partitioning_chaco_eigen_tol <tol> | - Tolerance for eigensolver

### Note

Must be positive. The default value is 0.001.

### See Also

MatPartitioningChacoSetEigenSolver(), MatPartitioningChacoGetEigenTol()

### Level

advanced

### Location

src/mat/partition/impls/chaco/chaco.c

### Implementations

MatPartitioningChacoSetEigenTol_Chaco in src/mat/partition/impls/chaco/chaco.c
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