Method create_variable

code/math/linear_program.cpp:273–291

Variable* LinearProgram::create_variable(
	Variable::VariableType vt /* = Variable::CONTINUOUS */, 
	Variable::BoundType bt /* = Variable::FREE */, 
	double lb /* = -Variable::infinity() */, 
	double ub /* = +Variable::infinity() */, 
	const std::string& name /* = "" */)
{
	Variable* v = new Variable(this, vt);
	v->set_bounds(bt, lb, ub);

	std::size_t idx = variables_.size();
	v->set_index(idx);

	const std::string& fixed_name = name.empty() ? "x" + from_integer(idx, 9, '0') : name;
	v->set_name(fixed_name);

	variables_.push_back(v);
	return v;
}


std::vector<Variable*> LinearProgram::create_n_variables(std::size_t n) {