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# addpredecessors

Purpose
Adds a set of tasks as predecessors to a task. A task precedes some other task when it must be completed before the start of the second task. The following graphic shows two tasks A and B where A precedes B (and respectively B succeeds A as the relation is reflexive):
Synopsis
`procedure addpredecessors(task:cptask, predset:set of cptask)`
Arguments

task | the task
predset | the set of tasks that must precede 'task'

Related topics
addsuccessors setpredecessors setsuccessors
Parent Topic Scheduling

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