Initializing help system before first use

XpressProblem.CallbackAPI.SlpDrColCallback Delegate

slpdrcol callback

Namespace:  Optimizer.Objects
Assembly: xprsdn (in xprsdn.dll) Version: 47.01.01+0ba4e76731516b80760698bbaa939494dae84e49
Syntax
C# 
public delegate int SlpDrColCallback(
	XpressProblem cbprob,
	int col,
	int detcol,
	double detval,
	out double p_value,
	double lb,
	double ub
)

Parameters

cbprob   XpressProblem
The problem passed to the callback function.
col   Int32
The index of the column for which the determining columns is checked.
detcol   Int32
The index of the determining column for the column that is being updated.
detval   Double
The value of the determining column in the current SLP iteration.
p_value   Double
Used to return the new value for column col, should it need to be updated, in which case the callback must return a positive result to indicate that this value should be used.
lb   Double
The original lower bound of column col. The callback provides this value as a reference, should the bound be updated or changed during the solution process.
ub   Double
The original upper bound of column col. The callback provides this value as a reference, should the bound be updated or changed during the solution process.

Return Value

Int32
Remarks
More details about the slpdrcol callbacks can be found in the documentation of the corresponding C callback.
See Also
Parent Topic Optimizer.Objects

© 2001-2026 Fair Isaac Corporation. All rights reserved. This documentation is the property of Fair Isaac Corporation (“FICO”). Receipt or possession of this documentation does not convey rights to disclose, reproduce, make derivative works, use, or allow others to use it except solely for internal evaluation purposes to determine whether to purchase a license to the software described in this documentation, or as otherwise set forth in a written software license agreement between you and FICO (or a FICO affiliate). Use of this documentation and the software described in it must conform strictly to the foregoing permitted uses, and no other use is permitted.