NAME

       claset.f -

SYNOPSIS

   Functions/Subroutines
       subroutine claset (UPLO, M, N, ALPHA, BETA, A, LDA)
           CLASET initializes the off-diagonal elements and the diagonal elements of a matrix to
           given values.

Function/Subroutine Documentation

   subroutine claset (character UPLO, integer M, integer N, complex ALPHA, complex BETA, complex,
       dimension( lda, * ) A, integer LDA)
       CLASET initializes the off-diagonal elements and the diagonal elements of a matrix to
       given values.

       Purpose:

            CLASET initializes a 2-D array A to BETA on the diagonal and
            ALPHA on the offdiagonals.

       Parameters:
           UPLO

                     UPLO is CHARACTER*1
                     Specifies the part of the matrix A to be set.
                     = 'U':      Upper triangular part is set. The lower triangle
                                 is unchanged.
                     = 'L':      Lower triangular part is set. The upper triangle
                                 is unchanged.
                     Otherwise:  All of the matrix A is set.

           M

                     M is INTEGER
                     On entry, M specifies the number of rows of A.

           N

                     N is INTEGER
                     On entry, N specifies the number of columns of A.

           ALPHA

                     ALPHA is COMPLEX
                     All the offdiagonal array elements are set to ALPHA.

           BETA

                     BETA is COMPLEX
                     All the diagonal array elements are set to BETA.

           A

                     A is COMPLEX array, dimension (LDA,N)
                     On entry, the m by n matrix A.
                     On exit, A(i,j) = ALPHA, 1 <= i <= m, 1 <= j <= n, i.ne.j;
                              A(i,i) = BETA , 1 <= i <= min(m,n)

           LDA

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

       Author:
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Date:
           November 2015

Author

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