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** Contents**

The driver routines for the generalized nonsymmetric eigenvalue
problem are
**xGGES**
- generalized Schur form driver
**xGGESX**
- expert version of xGGES (includes condition estimation)
**xGGEV**
- generalized eigenvalue/eigenvector driver
**xGGEVX**
- expert version of xGGEV (includes condition estimation)

For these driver routines, some tests are done by generating random
matrix pairs of a dimension and type chosen by users, and computing error
bounds similar to those used for the nonsymmetric generalized
eigenvalue computational routines. For some tests, one can use
a file of precomputed matrix pairs and condition numbers.
The parameters that can be varied in the random matrix pair tests are:

- 175#175
- the order N of the test matrix pair 174#174
- 175#175
- the type of the test matrix pair 174#174

Susan Blackford
2001-08-13