File:  [local] / rpl / lapack / lapack / zladiv.f
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Fri Aug 6 15:32:43 2010 UTC (13 years, 9 months ago) by bertrand
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    1:       COMPLEX*16     FUNCTION ZLADIV( X, Y )
    2: *
    3: *  -- LAPACK auxiliary routine (version 3.2) --
    4: *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
    5: *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
    6: *     November 2006
    7: *
    8: *     .. Scalar Arguments ..
    9:       COMPLEX*16         X, Y
   10: *     ..
   11: *
   12: *  Purpose
   13: *  =======
   14: *
   15: *  ZLADIV := X / Y, where X and Y are complex.  The computation of X / Y
   16: *  will not overflow on an intermediary step unless the results
   17: *  overflows.
   18: *
   19: *  Arguments
   20: *  =========
   21: *
   22: *  X       (input) COMPLEX*16
   23: *  Y       (input) COMPLEX*16
   24: *          The complex scalars X and Y.
   25: *
   26: *  =====================================================================
   27: *
   28: *     .. Local Scalars ..
   29:       DOUBLE PRECISION   ZI, ZR
   30: *     ..
   31: *     .. External Subroutines ..
   32:       EXTERNAL           DLADIV
   33: *     ..
   34: *     .. Intrinsic Functions ..
   35:       INTRINSIC          DBLE, DCMPLX, DIMAG
   36: *     ..
   37: *     .. Executable Statements ..
   38: *
   39:       CALL DLADIV( DBLE( X ), DIMAG( X ), DBLE( Y ), DIMAG( Y ), ZR,
   40:      $             ZI )
   41:       ZLADIV = DCMPLX( ZR, ZI )
   42: *
   43:       RETURN
   44: *
   45: *     End of ZLADIV
   46: *
   47:       END

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