NAME

       lascl2 - lascl2: diagonal scale matrix, A = D A

SYNOPSIS

   Functions
       subroutine clascl2 (m, n, d, x, ldx)
           CLASCL2 performs diagonal scaling on a matrix.
       subroutine dlascl2 (m, n, d, x, ldx)
           DLASCL2 performs diagonal scaling on a matrix.
       subroutine slascl2 (m, n, d, x, ldx)
           SLASCL2 performs diagonal scaling on a matrix.
       subroutine zlascl2 (m, n, d, x, ldx)
           ZLASCL2 performs diagonal scaling on a matrix.

Detailed Description

Function Documentation

   subroutine clascl2 (integer m, integer n, real, dimension( * ) d, complex, dimension( ldx, * )
       x, integer ldx)
       CLASCL2 performs diagonal scaling on a matrix.

       Purpose:

            CLASCL2 performs a diagonal scaling on a matrix:
              x <-- D * x
            where the diagonal REAL matrix D is stored as a matrix.

            Eventually to be replaced by BLAS_cge_diag_scale in the new BLAS
            standard.

       Parameters
           M

                     M is INTEGER
                The number of rows of D and X. M >= 0.

           N

                     N is INTEGER
                The number of columns of X. N >= 0.

           D

                     D is REAL array, length M
                Diagonal matrix D, stored as a vector of length M.

           X

                     X is COMPLEX array, dimension (LDX,N)
                On entry, the matrix X to be scaled by D.
                On exit, the scaled matrix.

           LDX

                     LDX is INTEGER
                The leading dimension of the matrix X. LDX >= M.

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

   subroutine dlascl2 (integer m, integer n, double precision, dimension( * ) d, double
       precision, dimension( ldx, * ) x, integer ldx)
       DLASCL2 performs diagonal scaling on a matrix.

       Purpose:

            DLASCL2 performs a diagonal scaling on a matrix:
              x <-- D * x
            where the diagonal matrix D is stored as a vector.

            Eventually to be replaced by BLAS_dge_diag_scale in the new BLAS
            standard.

       Parameters
           M

                     M is INTEGER
                The number of rows of D and X. M >= 0.

           N

                     N is INTEGER
                The number of columns of X. N >= 0.

           D

                     D is DOUBLE PRECISION array, length M
                Diagonal matrix D, stored as a vector of length M.

           X

                     X is DOUBLE PRECISION array, dimension (LDX,N)
                On entry, the matrix X to be scaled by D.
                On exit, the scaled matrix.

           LDX

                     LDX is INTEGER
                The leading dimension of the matrix X. LDX >= M.

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

   subroutine slascl2 (integer m, integer n, real, dimension( * ) d, real, dimension( ldx, * ) x,
       integer ldx)
       SLASCL2 performs diagonal scaling on a matrix.

       Purpose:

            SLASCL2 performs a diagonal scaling on a matrix:
              x <-- D * x
            where the diagonal matrix D is stored as a vector.

            Eventually to be replaced by BLAS_sge_diag_scale in the new BLAS
            standard.

       Parameters
           M

                     M is INTEGER
                The number of rows of D and X. M >= 0.

           N

                     N is INTEGER
                The number of columns of X. N >= 0.

           D

                     D is REAL array, length M
                Diagonal matrix D, stored as a vector of length M.

           X

                     X is REAL array, dimension (LDX,N)
                On entry, the matrix X to be scaled by D.
                On exit, the scaled matrix.

           LDX

                     LDX is INTEGER
                The leading dimension of the matrix X. LDX >= M.

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

   subroutine zlascl2 (integer m, integer n, double precision, dimension( * ) d, complex*16,
       dimension( ldx, * ) x, integer ldx)
       ZLASCL2 performs diagonal scaling on a matrix.

       Purpose:

            ZLASCL2 performs a diagonal scaling on a matrix:
              x <-- D * x
            where the DOUBLE PRECISION diagonal matrix D is stored as a vector.

            Eventually to be replaced by BLAS_zge_diag_scale in the new BLAS
            standard.

       Parameters
           M

                     M is INTEGER
                The number of rows of D and X. M >= 0.

           N

                     N is INTEGER
                The number of columns of X. N >= 0.

           D

                     D is DOUBLE PRECISION array, length M
                Diagonal matrix D, stored as a vector of length M.

           X

                     X is COMPLEX*16 array, dimension (LDX,N)
                On entry, the matrix X to be scaled by D.
                On exit, the scaled matrix.

           LDX

                     LDX is INTEGER
                The leading dimension of the matrix X. LDX >= M.

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

Author

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