Low level interface function to the IBM ILOG CPLEX function
CPXgetnumcols. Consult the IBM ILOG CPLEX documentation for
more detailed information.
getNumColsCPLEX(env, lp)An object of class "'>cplexPtr" as returned by
openEnvCPLEX. This is basically a pointer to an
IBM ILOG CPLEX environment.
An object of class "'>cplexPtr" as returned by
initProbCPLEX. This is basically a pointer to an
IBM ILOG CPLEX problem object.
If successful the number of variables is returned. If env or lp
do not exist, zero is returned.
Interface to the C function getNumCols which calls the CPLEX
function CPXgetnumcols.
The IBM ILOG CPLEX home page at https://www.ibm.com/support/knowledgecenter/SSSA5P.