XPRSgetdblattrib

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XPRSgetdblattrib

Purpose

Enables users to retrieve the values of various double problem attributes. Problem attributes are set during loading and optimization of a problem.

Synopsis

int XPRS_CC XPRSgetdblattrib(XPRSprob prob, int ipar, double *dval);

Arguments

prob

The current problem.

ipar

Problem attribute whose value is to be returned. A full list of all available problem attributes may be found in Problem Attributes, or from the list in the xprs.h header file.

dval

Pointer to a double where the value of the problem attribute will be returned.

Example

The following obtains the optimal value of the objective function and displays it to the console:
double lpobjval;
...
XPRSmaxim(prob,"");
XPRSgetdblattrib(prob,XPRS_LPOBJVAL,&lpobjval);
printf("The maximum profit is %f\n",lpobjval);
Related topics

XPRSgetintattrib, XPRSgetstrattrib.

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prob	The current problem.
ipar	Problem attribute whose value is to be returned. A full list of all available problem attributes may be found in Problem Attributes, or from the list in the xprs.h header file.
dval	Pointer to a double where the value of the problem attribute will be returned.