TESTING/EIG/dget37.f(3)

NAME
TESTING/EIG/dget37.f

SYNOPSIS

  Functions/Subroutines
subroutine dget37 (rmax, lmax, ninfo, knt, nin)
DGET37

Function/Subroutine Documentation

  subroutine dget37 (double precision, dimension( 3 ) rmax, integer, dimension( 3 ) lmax, integer, dimension( 3 ) ninfo, integer knt, integer nin)

DGET37

Purpose:

     DGET37 tests DTRSNA, a routine for estimating condition numbers of
     eigenvalues and/or right eigenvectors of a matrix.
     The test matrices are read from a file with logical unit number NIN.

Parameters
    RMAX

              RMAX is DOUBLE PRECISION array, dimension (3)
              Value of the largest test ratio.
              RMAX(1) = largest ratio comparing different calls to DTRSNA
              RMAX(2) = largest error in reciprocal condition
                        numbers taking their conditioning into account
              RMAX(3) = largest error in reciprocal condition
                        numbers not taking their conditioning into
                        account (may be larger than RMAX(2))

    LMAX

              LMAX is INTEGER array, dimension (3)
              LMAX(i) is example number where largest test ratio
              RMAX(i) is achieved. Also:
              If DGEHRD returns INFO nonzero on example i, LMAX(1)=i
              If DHSEQR returns INFO nonzero on example i, LMAX(2)=i
              If DTRSNA returns INFO nonzero on example i, LMAX(3)=i

    NINFO

              NINFO is INTEGER array, dimension (3)
              NINFO(1) = No. of times DGEHRD returned INFO nonzero
              NINFO(2) = No. of times DHSEQR returned INFO nonzero
              NINFO(3) = No. of times DTRSNA returned INFO nonzero

    KNT

              KNT is INTEGER
              Total number of examples tested.

    NIN

              NIN is INTEGER
              Input logical unit number

Author
    Univ. of Tennessee

    Univ. of California Berkeley

    Univ. of Colorado Denver

    NAG Ltd.

Definition at line 89 of file dget37.f.

Author

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