checkDupGLPK {glpkAPI}

Check for Duplicate Elements in Sparse Matrix

Description

Low level interface function to the GLPK function glp_check_dup. Consult the GLPK documentation for more detailed information.

Usage

  checkDupGLPK(m, n, ne, ia, ja)

Arguments

m

Number of rows in the matrix.

n

Number of columns in the matrix.

ne

Number of non-zero elements in the matrix.

ia

Row indices of the non-zero elements.

ja

Column indices of the non-zero elements.

Details

Interface to the C function checkDup which calls the GLPK function glp_check_dup.

Value

Returns one of the following values:

0

No duplikate elements.

-k

Indices ia[k] or ja[k] are out of range.

+k

Element (ia[k], ja[k]) is duplicate.

Author(s)

Gabriel Gelius-Dietrich <[e-mail]>

Maintainer: Mayo Roettger <[e-mail]>

References

Based on the package glpk by Lopaka Lee

The GNU GLPK home page at http://www.gnu.org/software/glpk/glpk.html