Sum of range of rows and columns in matrix Post: 302811791

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cheswapr.f

cheswapr.f(3)							      LAPACK							     cheswapr.f(3)

NAME

       cheswapr.f -

SYNOPSIS

   Functions/Subroutines
       subroutine cheswapr (UPLO, N, A, LDA, I1, I2)
	   CHESWAPR applies an elementary permutation on the rows and columns of a Hermitian matrix.

Function/Subroutine Documentation
   subroutine cheswapr (characterUPLO, integerN, complex, dimension( lda, n )A, integerLDA, integerI1, integerI2)
       CHESWAPR applies an elementary permutation on the rows and columns of a Hermitian matrix.

       Purpose:

	    CHESWAPR applies an elementary permutation on the rows and the columns of
	    a hermitian matrix.

       Parameters:
	   UPLO

		     UPLO is CHARACTER*1
		     Specifies whether the details of the factorization are stored
		     as an upper or lower triangular matrix.
		     = 'U':  Upper triangular, form is A = U*D*U**T;
		     = 'L':  Lower triangular, form is A = L*D*L**T.

	   N

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

	   A

		     A is COMPLEX array, dimension (LDA,N)
		     On entry, the NB diagonal matrix D and the multipliers
		     used to obtain the factor U or L as computed by CSYTRF.

		     On exit, if INFO = 0, the (symmetric) inverse of the original
		     matrix.  If UPLO = 'U', the upper triangular part of the
		     inverse is formed and the part of A below the diagonal is not
		     referenced; if UPLO = 'L' the lower triangular part of the
		     inverse is formed and the part of A above the diagonal is
		     not referenced.

	   LDA

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

	   I1

		     I1 is INTEGER
		     Index of the first row to swap

	   I2

		     I2 is INTEGER
		     Index of the second row to swap

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   September 2012

       Definition at line 103 of file cheswapr.f.

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

Version 3.4.2							  Tue Sep 25 2012						     cheswapr.f(3)