Remove the NumberInterface::intPow method.

src/main/java/org/nwapw/abacus/number/NaiveNumber.java

@@ -66,23 +66,6 @@ public class NaiveNumber extends NumberInterface {
         return new NaiveNumber(-value);
     }
 
-    @Override
-    public NumberInterface intPowInternal(int exponent) {
-        if (exponent == 0) {
-            return NaiveNumber.ONE;
-        }
-        boolean takeReciprocal = exponent < 0;
-        exponent = Math.abs(exponent);
-        NumberInterface power = this;
-        for (int currentExponent = 1; currentExponent < exponent; currentExponent++) {
-            power = power.multiply(this);
-        }
-        if (takeReciprocal) {
-            power = NaiveNumber.ONE.divide(power);
-        }
-        return power;
-    }
-
     @Override
     public int compareTo(NumberInterface number) {
         NaiveNumber num = (NaiveNumber) number;

src/main/java/org/nwapw/abacus/number/NumberInterface.java

@@ -134,27 +134,6 @@ public abstract class NumberInterface {
         return negateInternal();
     }
 
-    /**
-     * Raises this number to an integer power.
-     *
-     * @param exponent the exponent to which to take the number.
-     * @return the resulting value.
-     */
-    protected abstract NumberInterface intPowInternal(int exponent);
-
-    /**
-     * Raises this number to an integer power. Also, checks if the
-     * thread has been interrupted, and if so, throws
-     * an exception.
-     *
-     * @param exponent the exponent to which to take the number.
-     * @return the resulting value.
-     */
-    public final NumberInterface intPow(int exponent){
-        checkInterrupted();
-        return intPowInternal(exponent);
-    }
-
     /**
      * Compares this number to another.
      *

src/main/java/org/nwapw/abacus/number/PreciseNumber.java

@@ -71,23 +71,6 @@ public class PreciseNumber extends NumberInterface {
         return new PreciseNumber(value.subtract(((PreciseNumber) subtrahend).value));
     }
 
-    @Override
-    public NumberInterface intPowInternal(int exponent) {
-        if (exponent == 0) {
-            return PreciseNumber.ONE;
-        }
-        boolean takeReciprocal = exponent < 0;
-        exponent = Math.abs(exponent);
-        NumberInterface power = this;
-        for (int currentExponent = 1; currentExponent < exponent; currentExponent++) {
-            power = power.multiply(this);
-        }
-        if (takeReciprocal) {
-            power = PreciseNumber.ONE.divide(power);
-        }
-        return power;
-    }
-
     @Override
     public int compareTo(NumberInterface number) {
         return value.compareTo(((PreciseNumber) number).value);

src/main/java/org/nwapw/abacus/plugin/StandardPlugin.java

@@ -311,7 +311,9 @@ public class StandardPlugin extends Plugin {
                 //right and left refer to lhs and rhs in the above inequality.
                 NumberInterface sum = NaiveNumber.ONE.promoteTo(params[0].getClass());
                 NumberInterface nextNumerator = params[0];
-                NumberInterface left = params[0].multiply((new NaiveNumber(3)).promoteTo(params[0].getClass()).intPow(params[0].ceiling().intValue())), right = maxError;
+                NumberInterface left = params[0].multiply((new NaiveNumber(3)).promoteTo(params[0].getClass()));
+                left = intPow(left, left.getClass(), new NaiveNumber(params[0].ceiling().intValue()).promoteTo(left.getClass()));
+                NumberInterface right = maxError;
                 do {
                     sum = sum.add(nextNumerator.divide(factorial(params[0].getClass(), n + 1)));
                     n++;
@@ -470,7 +472,7 @@ public class StandardPlugin extends Plugin {
      * @return the maximum error.
      */
     private static NumberInterface getMaxError(NumberInterface number) {
-        return (new NaiveNumber(10)).promoteTo(number.getClass()).intPow(-number.getMaxPrecision());
+        return intPow(new NaiveNumber(10).promoteTo(number.getClass()), number.getClass(), new NaiveNumber(-number.getMaxPrecision()).promoteTo(number.getClass()));
     }
 
     /**