I am using c++ to solve a simple linear model ,however there is a fatal error when compiling program:
///////////////
#include
ILOSTLBEGIN
static void
usage (const char *progname),
populatebyrow (IloModel model, IloNumVarArray var, IloRangeArray con),
populatebycolumn (IloModel model, IloNumVarArray var, IloRangeArray con),
populatebynonzero (IloModel model, IloNumVarArray var, IloRangeArray con);
int
main (int argc, char **argv)
{
IloEnv env;
try {
IloModel model(env);
if (( argc != 2 ) ||
( argv[1][0] != '-' ) ||
( strchr ("rcn", argv[1][1]) == NULL ) ) {
usage (argv[0]);
throw(-1);
}
IloNumVarArray var(env);
IloRangeArray con(env);
switch (argv[1][1]) {
case 'r':
populatebyrow (model, var, con);
break;
case 'c':
populatebycolumn (model, var, con);
break;
case 'n':
populatebynonzero (model, var, con);
break;
}
IloCplex cplex(model);
// Optimize the problem and obtain solution.
if ( !cplex.solve() ) {
env.error()
If you have not defined code for your function body, it will give you this kind of error.
While you have declared function (somewhere around 10th line of this code), you have not defined what it actually does (there is no definition of it's body), If this function should be introduced through some library, check if you have correctly included it. Otherwise check your code if you have correct definition.
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