Initializing help system before first use

getval

Purpose
Retrieves the value of a reversible number at the current state of the constraint system.
Synopsis
function getval(k:cpreversible): real)
Argument
k 
a reversible number.
Return value
The current value of the reversible.
Example
The following example saves the state of the constrain system, changes the value of the reversible rev, then restores the previous state of th constraint system and displays the restored value of the reversible number. 
set_reversible_attributes(rev, 20.54)

! Save current state of constraint system
cp_save_state

setval(rev, 5)
writeln("Value of the reversible is ", getval(rev))

! Restore the saved system state
cp_restore_state
writeln("After state restoration reversible is ", rev)
Related topics
set_reversible_attributes setval

Parent Topic Problem

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