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XPRBaddidxel

Purpose
Add an index to an index set.
Synopsis
int XPRBaddidxel(XPRBidxset idx, const char *name);
Arguments
idx 
A BCL index set.
name 
Name of the index to be added to the set.
Return value
Sequence number of the index within the set, -1 in case of an error.
Example
The following defines an index set with space for 100 entries, adds an index to the set and then retrieves its sequence number. 
XPRBprob prob;
XPRBidxset iset;
int val;
   ...
iset = XPRBnewidxset(prob, "Set", 100);
val = XPRBaddidxel(iset, "first");
Further information
This function adds an index entry to a previously defined index set. The new element is only added to the set if no identical index already exists. Both in the case of a new index entry and an existing one, the function returns the sequence number of the index in the index set. Note that, according to the usual C convention, the numbering of index elements starts with 0.
Related topics
XPRBgetidxel, XPRBnewidxset.

Parent Topic BCL C library functions

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