Extract some common fields from 1 file that are presnt in another file Post: 302204197

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slarrr.f

slarrr.f(3)							      LAPACK							       slarrr.f(3)

NAME

       slarrr.f -

SYNOPSIS

   Functions/Subroutines
       subroutine slarrr (N, D, E, INFO)
	   SLARRR

Function/Subroutine Documentation
   subroutine slarrr (integerN, real, dimension( * )D, real, dimension( * )E, integerINFO)
       SLARRR

       Purpose:

	    Perform tests to decide whether the symmetric tridiagonal matrix T
	    warrants expensive computations which guarantee high relative accuracy
	    in the eigenvalues.

       Parameters:
	   N

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

	   D

		     D is REAL array, dimension (N)
		     The N diagonal elements of the tridiagonal matrix T.

	   E

		     E is REAL array, dimension (N)
		     On entry, the first (N-1) entries contain the subdiagonal
		     elements of the tridiagonal matrix T; E(N) is set to ZERO.

	   INFO

		     INFO is INTEGER
		     INFO = 0(default) : the matrix warrants computations preserving
					 relative accuracy.
		     INFO = 1	       : the matrix warrants computations guaranteeing
					 only absolute accuracy.

       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 95 of file slarrr.f.

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

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