09-17-2008
thanks a lot for prompt reply
working code is as:
output=./`basename $input`_new.txt
nawk -f malik.awk $DCDB $LDS $input > $output
output is ---LIVE9091.S20080817_new.txt
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LEARN ABOUT DEBIAN
slamsh
SLAMSH(l) LAPACK auxiliary routine (version 1.5) SLAMSH(l)
NAME
SLAMSH - send multiple shifts through a small (single node) matrix to see how consecutive small subdiagonal elements are modified by sub-
sequent shifts in an effort to maximize the number of bulges that can be sent through
SYNOPSIS
SUBROUTINE SLAMSH ( S, LDS, NBULGE, JBLK, H, LDH, N, ULP )
INTEGER LDS, NBULGE, JBLK, LDH, N
REAL ULP
REAL S(LDS,*), H(LDH,*)
PURPOSE
SLAMSH sends multiple shifts through a small (single node) matrix to
see how consecutive small subdiagonal elements are modified by
subsequent shifts in an effort to maximize the number of bulges
that can be sent through. SLAMSH should only be called when there are multiple shifts/bulges
(NBULGE > 1) and the first shift is starting in the middle of an
unreduced Hessenberg matrix because of two or more consecutive small
subdiagonal elements.
ARGUMENTS
S (local input/output) REAL array, (LDS,*)
On entry, the matrix of shifts. Only the 2x2 diagonal of S is referenced. It is assumed that S has JBLK double shifts (size 2).
On exit, the data is rearranged in the best order for applying.
LDS (local input) INTEGER
On entry, the leading dimension of S. Unchanged on exit. 1 < NBULGE <= JBLK <= LDS/2
NBULGE (local input/output) INTEGER
On entry, the number of bulges to send through H ( >1 ). NBULGE should be less than the maximum determined (JBLK). 1 < NBULGE <=
JBLK <= LDS/2 On exit, the maximum number of bulges that can be sent through.
JBLK (local input) INTEGER
On entry, the number of shifts determined for S. Unchanged on exit.
H (local input/output) REAL array (LDH,N)
On entry, the local matrix to apply the shifts on. H should be aligned so that the starting row is 2. On exit, the data is
destroyed.
LDS (local input) INTEGER
On entry, the leading dimension of S. Unchanged on exit.
N (local input) INTEGER
On entry, the size of H. If all the bulges are expected to go through, N should be at least 4*NBULGE+2. Otherwise, NBULGE may be
reduced by this routine.
ULP (local input) REAL
On entry, machine precision Unchanged on exit.
Implemented by: G. Henry, May 1, 1997
LAPACK version 1.5 12 May 1997 SLAMSH(l)