public Object evaluate(Object feature) {
int arg0;
try { // attempt to get value and perform conversion
arg0 = (getExpression(0).evaluate(feature, Integer.class)).intValue();
} catch (Exception e) // probably a type error
{
throw new IllegalArgumentException(
"Filter Function problem for function int2ddouble argument #0 - expected type int");
}
return new Double(StaticGeometry.int2ddouble(arg0));
}
