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

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Functions/Subroutines

subroutine schkec (THRESH, TSTERR, NIN, NOUT)
 SCHKEC More...
 

Function/Subroutine Documentation

subroutine schkec ( real  THRESH,
logical  TSTERR,
integer  NIN,
integer  NOUT 
)

SCHKEC

Purpose:
 SCHKEC tests eigen- condition estimation routines
        SLALN2, SLASY2, SLANV2, SLAQTR, SLAEXC,
        STRSYL, STREXC, STRSNA, STRSEN

 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, STREXC, STRSNA and STRSEN
 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 REAL
          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
November 2011

Definition at line 77 of file schkec.f.

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