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+.help tp2s Jun99 "Slalib Package"
+.nf
+
+      SUBROUTINE slTP2S (XI, ETA, RAZ, DECZ, RA, DEC)
+
+     - - - - -
+      T P 2 S
+     - - - - -
+
+  Transform tangent plane coordinates into spherical
+  (single precision)
+
+  Given:
+     XI,ETA      real  tangent plane rectangular coordinates
+     RAZ,DECZ    real  spherical coordinates of tangent point
+
+  Returned:
+     RA,DEC      real  spherical coordinates (0-2pi,+/-pi/2)
+
+  Called:        slRA2P
+
+  P.T.Wallace   Starlink   24 July 1995
+
+  Copyright (C) 1995 Rutherford Appleton Laboratory
+  Copyright (C) 1995 Association of Universities for Research in Astronomy Inc.
+
+.fi
+.endhelp