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syenqc

Table of contents
Procedure
Abstract
Required_Reading
Keywords
Declarations
Brief_I/O
Detailed_Input
Detailed_Output
Parameters
Exceptions
Files
Particulars
Examples
Restrictions
Literature_References
Author_and_Institution
Version

Procedure

     SYENQC ( Enqueue a value onto a symbol )

     SUBROUTINE SYENQC ( NAME, VALUE, TABSYM, TABPTR, TABVAL )

Abstract

     Enqueue a value onto a particular symbol in a character
     symbol table. If the symbol is not in the table, a new one
     is created.

Required_Reading

     SYMBOLS

Keywords

     SYMBOLS

Declarations

     IMPLICIT NONE

     INTEGER               LBCELL
     PARAMETER           ( LBCELL = -5 )

     CHARACTER*(*)         NAME
     CHARACTER*(*)         VALUE
     CHARACTER*(*)         TABSYM     ( LBCELL:* )
     INTEGER               TABPTR     ( LBCELL:* )
     CHARACTER*(*)         TABVAL     ( LBCELL:* )

Brief_I/O

     VARIABLE  I/O  DESCRIPTION
     --------  ---  --------------------------------------------------
     NAME       I   Name of the symbol onto which the value is
                    enqueued.
     VALUE      I   Value to be enqueued.
     TABSYM,
     TABPTR,
     TABVAL    I-O  Components of the symbol table.

Detailed_Input

     NAME     is the name of the symbol onto which the value is to
              be enqueued. If NAME is not in the symbol table, a new
              symbol having the value VALUE is created.

     VALUE    is the value to be enqueued onto the symbol, NAME.
              The value is inserted in the value table after the
              last value associated with the symbol.

     TABSYM,
     TABPTR,
     TABVAL   are the components of a character symbol table.
              The symbol NAME may or may not be in the symbol
              table.

Detailed_Output

     TABSYM,
     TABPTR,
     TABVAL   are the components of a character symbol table.

              On output, the value table contains the new value in
              addition to the old values associated with the symbol
              NAME. The pointer table is updated to reflect the change
              in the dimension of the symbol.

Parameters

     None.

Exceptions

     1)  If the addition of the new value to the symbol table causes an
         overflow in the value table, the error SPICE(VALUETABLEFULL)
         is signaled.

Files

     None.

Particulars

     If the symbol NAME is not in the symbol table, a new symbol is
     created which has the value VALUE.

Examples

     The contents of the symbol table are:

         BOHR      -->   HYDROGEN ATOM
         EINSTEIN  -->   SPECIAL RELATIVITY
                         PHOTOELECTRIC EFFECT
                         BROWNIAN MOTION
         FERMI     -->   NUCLEAR FISSION


      The call,

         CALL SYENQC ( 'EINSTEIN', 'GENERAL RELATIVITY',
        .               TABSYM, TABPTR, TABVAL           )

      produces the symbol table:

         BOHR      -->   HYDROGEN ATOM
         EINSTEIN  -->   SPECIAL RELATIVITY
                         PHOTOELECTRIC EFFECT
                         BROWNIAN MOTION
                         GENERAL RELATIVITY
         FERMI     -->   NUCLEAR FISSION

      The next call,

         CALL SYENQC ( 'HAHN', 'NUCLEAR FISSION',
        .              TABSYM, TABPTR, TABVAL     )

      then produces the symbol table:

         BOHR      -->   HYDROGEN ATOM
         EINSTEIN  -->   SPECIAL RELATIVITY
                         PHOTOELECTRIC EFFECT
                         BROWNIAN MOTION
                         GENERAL RELATIVITY
         FERMI     -->   NUCLEAR FISSION
         HAHN      -->   NUCLEAR FISSION

      Note that a new symbol "HAHN" was created by the last call.

Restrictions

     None.

Literature_References

     None.

Author_and_Institution

     J. Diaz del Rio    (ODC Space)
     H.A. Neilan        (JPL)
     W.L. Taber         (JPL)
     I.M. Underwood     (JPL)

Version

    SPICELIB Version 1.1.0, 08-APR-2021 (JDR)

        Added IMPLICIT NONE statement.

        Edited the header to comply with NAIF standard.

    SPICELIB Version 1.0.1, 10-MAR-1992 (WLT)

        Comment section for permuted index source lines was added
        following the header.

    SPICELIB Version 1.0.0, 31-JAN-1990 (IMU) (HAN)
Fri Dec 31 18:36:59 2021