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[u/mrichter/AliRoot.git] / MINICERN / mathlib / gen / f / eisrs4.F
1 *
2 * $Id$
3 *
4 * $Log$
5 * Revision 1.1.1.1  1996/04/01 15:02:39  mclareni
6 * Mathlib gen
7 *
8 *
9 #include "gen/pilot.h"
10       SUBROUTINE EISRS4(NM,N,AR,RLB,RUB,MM,M,WR,IERR,WORK)
11 C     SOME EIGENVALUES OF A REAL SYMMETRIC MATRIX
12 C
13       DIMENSION AR(NM,NM),WR(MM),WORK(1)
14       CALL TRED1(NM,N,AR,WORK,WORK(N+1),WORK(2*N+1))
15       EPS1=0.
16       CALL BISECT(N,EPS1,WORK,WORK(N+1),WORK(2*N+1),RLB,RUB,MM,M,WR,
17      X WORK(5*N+1),IERR,WORK(3*N+1),WORK(4*N+1))
18       RETURN
19       END