private static void printRuleMath(int n, Rule r)
{
string formula;
if (r.isSetMath())
{
formula = libsbml.formulaToString(r.getMath());
if (r.getVariable().Length > 0)
{
Console.Write("Rule " + n + ", formula: "
+ r.getVariable() + " = " + formula + Environment.NewLine);
}
else
{
Console.Write("Rule " + n + ", formula: "
+ formula + " = 0" + Environment.NewLine);
}
}
}