/** NOTE: the connection from java to matlab */
public RCvalue java2Matlab() throws EvalException {
if (rc == null) {
if (poly != null) {
Value[] v = new Value[poly.degree()];
for (int i = 0; i < v.length; i++) {
Point pt = poly.point(i);
assert pt.type() == CohoDouble.type
: "The result type is not CohoDouble, it is " + pt.type();
// if(pt.type()!=CohoDouble.type){
// throw new RuntimeException("The result type is not CohoDouble, it is "+pt.type() );
// }
v[i] =
RCvalue.factory()
.create(
new Value[] {
DoubleValue.factory()
.create(new Double(((CohoDouble) pt.x()).doubleValue()), null),
DoubleValue.factory()
.create(new Double(((CohoDouble) pt.y()).doubleValue()), null)
},
false);
}
rc = (RCvalue) (RCvalue.factory().create(v, true));
} else { // empty polygon
rc = (RCvalue) (RCvalue.factory().create(new Value[0], true));
}
}
return (rc);
}
// value(lo) to value(hi-1)
protected static Value grind(RCvalue args, Operation op, int lo, int hi) throws EvalException {
switch (hi - lo) {
case 0:
return new PolygonValue(
(RCvalue) (RCvalue.factory().create(new Value[] {}, true))); // empty
case 1:
return args.value(lo); // one
case 2:
Value result = op.op((PolygonValue) (args.value(lo)), (PolygonValue) (args.value(hi - 1)));
return result; // two
default:
int mid = (lo + hi + 1) / 2; // split
Value v0 = grind(args, op, lo, mid);
Value v1 = grind(args, op, mid, hi);
result = op.op((PolygonValue) (v0), (PolygonValue) (v1));
return result;
}
}