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XPRBaddarrterm

XPRBaddarrterm

Purpose
Add multiple linear terms to a constraint.
Synopsis
int XPRBaddarrterm(XPRBctr ctr, XPRBarrvar av, double *coeff);
Arguments
ctr 
Reference to a constraint.
av 
Reference to an array of variables.
coeff 
Values to be added to the coefficients of the variables in the array (the number of coefficients must correspond to the size of the array of variables).
Return value
0 if function executed successfully, 1 otherwise.
Example
The following adds the expression 
2*ty1[0] + 13*ty1[1] + 15*ty1[2] + 6*ty1[3] +8.5*ty1[4]
to the constraint ctr1. 
XPRBprob prob;
XPRBctr ctr1;
XPRBarrvar ty1;
double cr[] = {2, 13, 15, 6, 8.5};
 ...
ty1 = XPRBnewarrvar(prob, 5, XPRB_PL, "arry1", 0, 500);
ctr1 = XPRBnewctr(prob, "r1", XPRB_E);
XPRBaddarrterm(ctr1, ty1, cr);
Further information
This function adds multiple linear terms to a constraint, the variables coming from array av and the corresponding coefficients from coeff. If the constraint already has a term with one of the variables, the corresponding value from coeff is added to its coefficient.
Note:
all terms that are added to a constraint must belong to the same problem as the constraint itself.

Related topics
XPRBaddterm, XPRBdelctr, XPRBdelterm, XPRBnewctr.

Parent Topic BCL C library functions

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