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XPRScalcobjn

Purpose
Calculates the objective value of the given objective function in a multi-objective problem.
Topic areas
Solution, Multiobjective
Synopsis
int XPRS_CC XPRScalcobjn(XPRSprob prob, int objidx, const double solution[], double* p_objval);
Arguments
prob 
The current problem.
objidx 
Index of the objective function to calculate.
solution 
Double array of length COLS that holds the solution, or NULL to use the current solution.
p_objval 
Pointer to a double in which the calculated objective value is returned.
Example
The following obtains the optimal values of all objective functions and displays them to the console: 
double objval;
int nobjective, i;
XPRSgetintattrib(prob, XPRS_OBJECTIVES, &nobjective);
XPRSlpoptimize(prob,"");
for (i = 0; i < nobjective; i++) {
  XPRScalcobjn(prob,i,NULL,&objval);
  printf("Objective %d: %f\n",i,objval);
}
Related topics
XPRScalcobjective.

Parent Topic Console and Library Functions

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