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cspice_insrtd

Table of contents
Abstract
I/O
Parameters
Examples
Particulars
Exceptions
Files
Restrictions
Required_Reading
Literature_References
Author_and_Institution
Version
Index_Entries


Abstract


   CSPICE_INSRTD inserts an item into a double precision set.

I/O


   Given:

      item     an item which is to be inserted into the specified set.

               help, item
                  DOUBLE = Scalar   or   DOUBLE = Array[N]

               `item' may or may not already be an element of the set.

      a        a SPICE set.

               help, a
                  STRUCT = cspice_celld(N)

               The user must create `a' using cspice_celld.

               On input, `a' may or may not contain the input item as an
               element.

   the call:

      cspice_insrtd, item, a

   returns:

      a        on output, contains the union of the input set and the singleton
               set containing the input item, unless there was not sufficient
               room in the set for the item to be included, in which case the
               set is not changed and an error is signaled.

               help, a
                  STRUCT = cspice_celld(N)

Parameters


   None.

Examples


   Any numerical results shown for this example may differ between
   platforms as the results depend on the SPICE kernels used as input
   and the machine specific arithmetic implementation.

   1) Create a double precision set for ten elements and insert items
      to it.

      Example code begins here.


      PRO insrtd_ex1

         ;;
         ;; Create a cell for ten elements.
         ;;
         SIZE = 10

         a = cspice_celld( SIZE )

         ;;
         ;; Add an item to the new set
         ;;
         cspice_insrtd, 21.0, a

         ;;
         ;; Insert the list of double precision numbers into the
         ;; set. If the item is an element of the set, the set is
         ;; not changed.
         ;;
         items = [ 0.d, 1.d, 1.d, 2.d, 3.d, 5.d, 8.d, 13.d, 21.d, 31.d ]

         cspice_insrtd, items, a

         ;;
         ;; Output the original contents of `a'. Recall
         ;; set data begins at `a.base[ a.data + 0 ]'.
         ;;
         print, 'Items in the set:'
         for i=0, cspice_card(a)-1 do begin
            print, FORMAT='(F6.1,$)', a.base[ a.data + i]
         endfor
         print, ' '

      END


      When this program was executed on a Mac/Intel/IDL8.x/64-bit
      platform, the output was:


      Items in the set:
         0.0   1.0   2.0   3.0   5.0   8.0  13.0  21.0  31.0


Particulars


   The user must create any needed cell structures with cspice_celld
   or cspice_celli prior to use regardless of whether the routine
   uses the cell as input or returns it as output.

Exceptions


   1)  If the insertion of the element into the set causes an excess
       of elements, the error SPICE(SETEXCESS) is signaled by a
       routine in the call tree of this routine.

   2)  If any of the input arguments, `item' or `a', is undefined, an
       error is signaled by the IDL error handling system.

   3)  If any of the input arguments, `item' or `a', is not of the
       expected type, or it does not have the expected dimensions and
       size, an error is signaled by the Icy interface.

Files


   None.

Restrictions


   None.

Required_Reading


   ICY.REQ
   SETS.REQ

Literature_References


   None.

Author_and_Institution


   J. Diaz del Rio     (ODC Space)
   E.D. Wright         (JPL)

Version


   -Icy Version 1.1.0, 24-AUG-2021 (JDR)

       Changed the argument name "set" to "a" for consistency with
       other routines.

       Edited the header to comply with NAIF standard. Added example's
       problem statement and reformatted example's output.

       Added -Parameters, -Exceptions, -Files, -Restrictions,
       -Literature_References and -Author_and_Institution sections.

       Removed reference to the routine's corresponding CSPICE header from
       -Abstract section.

       Added arguments' type and size information in the -I/O section.

   -Icy Version 1.0.1, 28-SEP-2006 (EDW)

       Corrections to English.

   -Icy Version 1.0.0, 12-AUG-2005 (EDW)

Index_Entries


   insert an item into a d.p. set



Fri Dec 31 18:43:05 2021