LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
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zchkec.f File Reference

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Functions/Subroutines

subroutine zchkec (THRESH, TSTERR, NIN, NOUT)
 ZCHKEC More...
 

Function/Subroutine Documentation

subroutine zchkec ( double precision  THRESH,
logical  TSTERR,
integer  NIN,
integer  NOUT 
)

ZCHKEC

Purpose:
 ZCHKEC tests eigen- condition estimation routines
        ZTRSYL, CTREXC, CTRSNA, CTRSEN

 In all cases, the routine runs through a fixed set of numerical
 examples, subjects them to various tests, and compares the test
 results to a threshold THRESH. In addition, ZTRSNA and CTRSEN are
 tested by reading in precomputed examples from a file (on input unit
 NIN).  Output is written to output unit NOUT.
Parameters
[in]THRESH
          THRESH is DOUBLE PRECISION
          Threshold for residual tests.  A computed test ratio passes
          the threshold if it is less than THRESH.
[in]TSTERR
          TSTERR is LOGICAL
          Flag that indicates whether error exits are to be tested.
[in]NIN
          NIN is INTEGER
          The logical unit number for input.
[in]NOUT
          NOUT is INTEGER
          The logical unit number for output.
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
September 2012

Definition at line 76 of file zchkec.f.

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