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LAPACK version 3.0
zlacpy(3)

PURPOSE
  ZLACPY - copie all or part of a two-dimensional matrix A to another matrix
  B

SYNTAX
  SUBROUTINE ZLACPY( UPLO, M, N, A, LDA, B, LDB )

      CHARACTER	     UPLO

      INTEGER	     LDA, LDB, M, N

      COMPLEX*16     A( LDA, * ), B( LDB, * )

DESCRIPTION
  ZLACPY copies all or part of a two-dimensional matrix A to another matrix
  B.

ARGUMENTS
  UPLO	  (input) CHARACTER*1
	  Specifies the part of the matrix A to be copied to B.	 = 'U':
	  Upper triangular part
	  = 'L':      Lower triangular part
	  Otherwise:  All of the matrix A

  M	  (input) INTEGER
	  The number of rows of the matrix A.  M >= 0.

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

  A	  (input) COMPLEX*16 array, dimension (LDA,N)
	  The m by n matrix A.	If UPLO = 'U', only the upper trapezium is
	  accessed; if UPLO = 'L', only the lower trapezium is accessed.

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

  B	  (output) COMPLEX*16 array, dimension (LDB,N)
	  On exit, B = A in the locations specified by UPLO.

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