Specifications

Update This is an intended change to an algorithm, algorithm variable
or global variable that is initiated by one of the commands
ALG:SCALAR, ALG:ARRAY, ALG:DEFINE,
ALG:SCAN:RATIO, or ALG:STATE. This change or
“update” is considered to be pending until an update command
is received. Several updates can be sent to the Update Queue,
waiting for an update command to cause them to take effect
synchronously. The update commands are ALG:UPDATE and
ALG:UPD:CHANNEL.
Update Queue A list of scalar variable values and/or buffer pointer values (for
arrays and swapping algorithms) that is built in response to
updates (see Update). When an update command is sent, scalar
values and pointer values are sent to their working locations.
User Function A function callable from the Algorithm Language in the
general form <function_name>( <expression> ). These user
defined functions provide advanced mathematical capability to
the Algorithm Language.
Glossary
Appendix C 369
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