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Begin working on memoization for factorial. (Commented out for now.)

This commit is contained in:
Arthur Drobot 2017-07-27 13:39:19 -07:00
parent 950e3503b7
commit 22f8a48195

View File

@ -5,6 +5,8 @@ import org.nwapw.abacus.number.NaiveNumber;
import org.nwapw.abacus.number.NumberInterface; import org.nwapw.abacus.number.NumberInterface;
import javax.print.attribute.standard.MediaSize; import javax.print.attribute.standard.MediaSize;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.function.BiFunction; import java.util.function.BiFunction;
/** /**
@ -76,7 +78,7 @@ public class StandardPlugin extends Plugin {
}); });
registerFunction("!", new Function() { registerFunction("!", new Function() {
//private ArrayLi //private HashMap<Class<? extends NumberInterface>, ArrayList<NumberInterface>> storedList = new HashMap<Class<? extends NumberInterface>, ArrayList<NumberInterface>>();
@Override @Override
protected boolean matchesParams(NumberInterface[] params) { protected boolean matchesParams(NumberInterface[] params) {
return params.length == 1; return params.length == 1;
@ -94,6 +96,11 @@ public class StandardPlugin extends Plugin {
factorial = factorial.multiply(multiplier); factorial = factorial.multiply(multiplier);
} }
return factorial; return factorial;
/*if(!storedList.containsKey(params[0].getClass())){
storedList.put(params[0].getClass(), new ArrayList<NumberInterface>());
storedList.get(params[0].getClass()).add(NaiveNumber.ONE.promoteTo(params[0].getClass()));
storedList.get(params[0].getClass()).add(NaiveNumber.ONE.promoteTo(params[0].getClass()));
}*/
} }
}); });