CSPSL man page on IRIX

CSPSL man page on IRIX

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CSPSL(3F)							     CSPSL(3F)

NAME
     CSPSL   - CSISL solves the complex symmetric system A * X = B using the
     factors computed by CSPFA.

SYNOPSYS
      SUBROUTINE CSPSL(AP,N,KPVT,B)

DESCRIPTION
     On Entry

     AP COMPLEX(N*(N+1)/2)
	the output from CSPFA.

     N INTEGER
	the order of the matrix	 A .  KVPT    INTEGER(N)
	the pivot vector from CSPFA.

     B COMPLEX(N)
	the right hand side vector.  On Return

     B the solution vector  X . Error Condition

     A division by zero may occur if  CSPCO  has set RCOND .EQ. 0.0 or	CSPFA
     has set INFO .NE. 0  .  To compute	 INVERSE(A) * C	 where	C  is a matrix
     with  P  columns
	CALL CSPFA(AP,N,KVPT,INFO)
	IF (INFO .NE. 0) GO TO ...
	DO 10 J = 1, P
	CALL CSPSL(AP,N,KVPT,C(1,J)) 10 CONTINUE LINPACK.  This version dated
     08/14/78 .	 James Bunch, Univ. Calif. San Diego, Argonne Nat. Lab.
     Subroutines and Functions BLAS CAXPY,CDOTU Fortran IABS

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