SPOTRS(l)		LAPACK routine (version	1.1)		    SPOTRS(l)

NAME
  SPOTRS - solve a system of linear equations A*X = B with a symmetric posi-
  tive definite	matrix A using the Cholesky factorization A = U**T*U or	A =
  L*L**T computed by SPOTRF

SYNOPSIS

  SUBROUTINE SPOTRS( UPLO, N, NRHS, A, LDA, B, LDB, INFO )

      CHARACTER	     UPLO

      INTEGER	     INFO, LDA,	LDB, N,	NRHS

      REAL	     A(	LDA, * ), B( LDB, * )

PURPOSE
  SPOTRS solves	a system of linear equations A*X = B with a symmetric posi-
  tive definite	matrix A using the Cholesky factorization A = U**T*U or	A =
  L*L**T computed by SPOTRF.

ARGUMENTS

  UPLO	  (input) CHARACTER*1
	  = 'U':  Upper	triangle of A is stored;
	  = 'L':  Lower	triangle of A is stored.

  N	  (input) INTEGER
	  The order of the matrix A.  N	>= 0.

  NRHS	  (input) INTEGER
	  The number of	right hand sides, i.e.,	the number of columns of the
	  matrix B.  NRHS >= 0.

  A	  (input) REAL array, dimension	(LDA,N)
	  The triangular factor	U or L from the	Cholesky factorization A =
	  U**T*U or A =	L*L**T,	as computed by SPOTRF.

  LDA	  (input) INTEGER
	  The leading dimension	of the array A.	 LDA >=	max(1,N).

  B	  (input/output) REAL array, dimension (LDB,NRHS)
	  On entry, the	right hand side	matrix B.  On exit, the	solution
	  matrix X.

  LDB	  (input) INTEGER
	  The leading dimension	of the array B.	 LDB >=	max(1,N).

  INFO	  (output) INTEGER
	  = 0:	successful exit
	  < 0:	if INFO	= -i, the i-th argument	had an illegal value