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## clag2z()

subroutine clag2z | ( | integer | m,
|  | integer | n,
|  | complex, dimension( ldsa, * ) | sa,
|  | integer | ldsa,
|  | complex*16, dimension( lda, * ) | a,
|  | integer | lda,
|  | integer | info )

CLAG2Z converts a complex single precision matrix to a complex double precision matrix.

Download CLAG2Z + dependencies [TGZ] [ZIP] [TXT]

Purpose:

      !>
      !> CLAG2Z converts a COMPLEX matrix, SA, to a COMPLEX*16 matrix, A.
      !>
      !> Note that while it is possible to overflow while converting
      !> from double to single, it is not possible to overflow when
      !> converting from single to double.
      !>
      !> This is an auxiliary routine so there is no argument checking.
      !>

Parameters

  [in]

  M

      !>          M is INTEGER
      !>          The number of lines of the matrix A.  M >= 0.
      !>

  [in]

  N

      !>          N is INTEGER
      !>          The number of columns of the matrix A.  N >= 0.
      !>

  [in]

  SA

      !>          SA is COMPLEX array, dimension (LDSA,N)
      !>          On entry, the M-by-N coefficient matrix SA.
      !>

  [in]

  LDSA

      !>          LDSA is INTEGER
      !>          The leading dimension of the array SA.  LDSA >= max(1,M).
      !>

  [out]

  A

      !>          A is COMPLEX*16 array, dimension (LDA,N)
      !>          On exit, the M-by-N coefficient matrix A.
      !>

  [in]

  LDA

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

  [out]

  INFO

      !>          INFO is INTEGER
      !>          = 0:  successful exit
      !>

Author
  Univ. of Tennessee
  Univ. of California Berkeley
  Univ. of Colorado Denver
  NAG Ltd.