XPRSaddcbusersolnotify
XPRSaddcbusersolnotify |
Purpose
Declares a callback function to be called each time a solution added by
XPRSaddmipsol has been processed. This callback function will be called in addition to any callbacks already added by
XPRSaddcbusersolnotify.
Synopsis
int XPRS_CC XPRSaddcbusersolnotify(XPRSprob prob, void (XPRS_CC *f_usersolnotify)(XPRSprob my_prob, void* my_object, const char* solname, int status), void* object, int priority);
Arguments
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prob
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The current problem.
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f_usersolnotify
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The callback function which takes four arguments,
my_prob,
my_object,
id and
status and has no return value.
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my_prob
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The problem passed to the callback function,
f_usersolnotify.
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my_object
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The user-defined object passed as object when setting up the callback with
XPRSaddcbusersolnotify.
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solname
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The string name assigned to the solution when it was loaded into the Optimizer using
XPRSaddmipsol.
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status
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One of the following status values:
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object
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A user-defined object to be passed to the callback function,
f_usersolnotify.
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priority
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An integer that determines the order in which multiple callbacks will be invoked. The callback added with a higher priority will be called before a callback with a lower priority. Set to
0 if not required.
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Further information
If presolve is turned on, any solution added with
XPRSaddmipsol will first be presolved before it can be checked. The value returned in
status refers to the presolved solution, which might have had values adjusted due to bound changes, fixing of variables, etc.
Related topics