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Add support for non-positive ints in intPow for NaiveNumber.

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This commit is contained in:
Arthur Drobot 2017-07-25 14:36:46 -07:00
parent 38255b1219
commit 5f60110385
1 changed files with 8 additions and 0 deletions
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8
src/org/nwapw/abacus/number/NaiveNumber.java
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@ -43,10 +43,18 @@ public class NaiveNumber implements NumberInterface {
@Override @Override
public NumberInterface intPow(int exponent) { public NumberInterface intPow(int exponent) {
if(exponent == 0){
return NaiveNumber.ONE;
}
boolean takeReciprocal = exponent < 0;
exponent = Math.abs(exponent);
NumberInterface power = this; NumberInterface power = this;
for(int currentExponent = 1; currentExponent < exponent; currentExponent++){ for(int currentExponent = 1; currentExponent < exponent; currentExponent++){
power = power.multiply(this); power = power.multiply(this);
} }
if(takeReciprocal){
power = NaiveNumber.ONE.divide(power);
}
return power; return power;
} }