TESTING/EIG/dget37.f(3) | Library Functions Manual | 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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