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.help drange Jun99 "Slalib Package"
.nf

      DOUBLE PRECISION FUNCTION slDA1P (ANGLE)

     - - - - - - -
      D A 1 P
     - - - - - - -

  Normalize angle into range +/- pi  (double precision)

  Given:
     ANGLE     dp      the angle in radians

  The result (double precision) is ANGLE expressed in the range +/- pi.

  P.T.Wallace   Starlink   23 November 1995

  Copyright (C) 1995 Rutherford Appleton Laboratory
  Copyright (C) 1995 Association of Universities for Research in Astronomy Inc.

.fi
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