Extract some common fields from 1 file that are presnt in another file Post: 302204214

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slarrc

slarrc.f(3)							      LAPACK							       slarrc.f(3)

NAME

       slarrc.f -

SYNOPSIS

   Functions/Subroutines
       subroutine slarrc (JOBT, N, VL, VU, D, E, PIVMIN, EIGCNT, LCNT, RCNT, INFO)
	   SLARRC

Function/Subroutine Documentation
   subroutine slarrc (characterJOBT, integerN, realVL, realVU, real, dimension( * )D, real, dimension( * )E, realPIVMIN, integerEIGCNT,
       integerLCNT, integerRCNT, integerINFO)
       SLARRC

       Purpose:

	    Find the number of eigenvalues of the symmetric tridiagonal matrix T
	    that are in the interval (VL,VU] if JOBT = 'T', and of L D L^T
	    if JOBT = 'L'.

       Parameters:
	   JOBT

		     JOBT is CHARACTER*1
		     = 'T':  Compute Sturm count for matrix T.
		     = 'L':  Compute Sturm count for matrix L D L^T.

	   N

		     N is INTEGER
		     The order of the matrix. N > 0.

	   VL

		     VL is DOUBLE PRECISION

	   VU

		     VU is DOUBLE PRECISION
		     The lower and upper bounds for the eigenvalues.

	   D

		     D is DOUBLE PRECISION array, dimension (N)
		     JOBT = 'T': The N diagonal elements of the tridiagonal matrix T.
		     JOBT = 'L': The N diagonal elements of the diagonal matrix D.

	   E

		     E is DOUBLE PRECISION array, dimension (N)
		     JOBT = 'T': The N-1 offdiagonal elements of the matrix T.
		     JOBT = 'L': The N-1 offdiagonal elements of the matrix L.

	   PIVMIN

		     PIVMIN is REAL
		     The minimum pivot in the Sturm sequence for T.

	   EIGCNT

		     EIGCNT is INTEGER
		     The number of eigenvalues of the symmetric tridiagonal matrix T
		     that are in the interval (VL,VU]

	   LCNT

		     LCNT is INTEGER

	   RCNT

		     RCNT is INTEGER
		     The left and right negcounts of the interval.

	   INFO

		     INFO is INTEGER

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   November 2011

       Contributors:
	   Beresford Parlett, University of California, Berkeley, USA
	    Jim Demmel, University of California, Berkeley, USA
	    Inderjit Dhillon, University of Texas, Austin, USA
	    Osni Marques, LBNL/NERSC, USA
	    Christof Voemel, University of California, Berkeley, USA

       Definition at line 136 of file slarrc.f.

Author
       Generated automatically by Doxygen for LAPACK from the source code.

Version 3.4.1							  Sun May 26 2013						       slarrc.f(3)