XSLPgetcolinfo, XPRSslpgetcolinfo
int XSLP_CC XSLPgetcolinfo(XSLPprob prob, int type, int col, XSLPalltype *p_info);
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prob
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The current SLP problem
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type
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Type of information (see below)
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col
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Index of the column whose information is to be handled
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p_info
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Address of information to be set or retrieved
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XSLPalltype alltype;
XSLPgetcolinfo(prob, XSLP_COLINFO_VALUE, 3, &alltype);
printf("value[3]=%f\n", alltype.value.real);
If the data is not available, the type of the returned p_info is set to XSLPtype_undefined.
Please refer to the header file xprs.h for the definition of XPRSalltype which is identical to XSLPalltype.
The following constants are provided for column information handling:
- XSLP_COLINFO_VALUE
- Get the current value of the column
- XSLP_COLINFO_RDJ
- Get the current reduced cost of the column
- XSLP_COLINFO_DELTAINDEX
- Get the delta variable index associated to the column
- XSLP_COLINFO_DELTA
- Get the delta value (change since previous value) of the column
- XSLP_COLINFO_DELTADJ
- Get the delta variables reduced cost
- XSLP_COLINFO_UPDATEROW
- Get the index of the update (or step bound) row associated to the column
- XSLP_COLINFO_SB
- Get the step bound on the variable
- XSLP_COLINFO_SBDUAL
- Get the dual multiplier of the step bound row for the variable
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