XSLPsetcbdrcol, XPRSsetcbslpdrcol
int XPRS_CC XSLPsetcbdrcol(XSLPprob prob, int (XPRS_CC *drcol) (XSLPprob prob, void *data, int col, int detcol, double detval, double * p_value, double lb, double ub), void *data);
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prob
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The current SLP problem.
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drcol
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The function to be called after each column has been cascaded.
drcol returns an integer value. If the return value is positive, it will indicate that the value has been fixed, and cascading should be omitted for the variable. A negative value indicates that a previously fixed value has been relaxed. If no action is taken, a 0 return value should be used.
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prob
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The problem passed to the callback function.
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data
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The user-defined object passed as
data to
XSLPsetcbcascadevar.
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col
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The index of the column for which the determining columns is checked.
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detcol
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The index of the determining column for the column that is being updated.
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detval
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The value of the determining column in the current SLP iteration.
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p_value
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Used to return the new value for column
col, should it need to be updated, in which case the callback must return a positive value to indicate that this value should be used.
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lb
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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.
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ub
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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.
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data
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Address of a user-defined object, which can be used for any purpose. by the function.
data is passed to
drcol as
data.
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