DanilaFe/Abacus
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Code Issues Releases Wiki Activity

Add handling of edge cases to pow.

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This commit is contained in:
Arthur Drobot 2017-08-04 13:29:53 -07:00
parent 8215f3e98c
commit 9bf1aee92d
1 changed files with 11 additions and 2 deletions
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13
src/main/java/org/nwapw/abacus/plugin/StandardPlugin.java
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@ -8,6 +8,7 @@ import org.nwapw.abacus.number.NaiveNumber;
import org.nwapw.abacus.number.NumberInterface;
import org.nwapw.abacus.number.PreciseNumber;
import javax.print.attribute.standard.MediaSize;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.function.BiFunction;
@ -133,12 +134,20 @@ public class StandardPlugin extends Plugin {
public static final Operator OP_CARET = new Operator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 2, new Function() {
@Override
protected boolean matchesParams(NumberInterface[] params) {
return params.length == 2;
return params.length == 2
&& !(params[0].compareTo(NaiveNumber.ZERO.promoteTo(params[0].getClass())) == 0
&& params[1].compareTo(NaiveNumber.ZERO.promoteTo(params[1].getClass())) == 0);
}
@Override
protected NumberInterface applyInternal(NumberInterface[] params) {
return FUNCTION_EXP.apply(FUNCTION_LN.apply(params[0]).multiply(params[1]));
if(params[0].compareTo(NaiveNumber.ZERO.promoteTo(params[0].getClass())) == 0){
return NaiveNumber.ZERO.promoteTo(params[0].getClass());
}
else if(params[1].compareTo(NaiveNumber.ZERO.promoteTo(params[0].getClass())) == 0){
return NaiveNumber.ONE.promoteTo(params[1].getClass());
}
return FUNCTION_EXP.apply(FUNCTION_LN.apply(FUNCTION_ABS.apply(params[0])).multiply(params[1]));
}
});
/**