Format newly written code.

core/src/main/java/org/nwapw/abacus/plugin/Plugin.java

@@ -97,7 +97,7 @@ public abstract class Plugin {
      * @param name     the name of the tree value operator.
      * @param operator the tree value operator to register.
      */
-    protected final void registerTreeValueOperator(String name, TreeValueOperator operator){
+    protected final void registerTreeValueOperator(String name, TreeValueOperator operator) {
         manager.registerTreeValueOperator(name, operator);
     }
 
@@ -142,7 +142,7 @@ public abstract class Plugin {
      * @param name the name for which to search.
      * @return the resulting tree value function, or null if none was found for that name.
      */
-    protected final TreeValueFunction treeValueFunctionFor(String name){
+    protected final TreeValueFunction treeValueFunctionFor(String name) {
         return manager.treeValueFunctionFor(name);
     }
 

core/src/main/java/org/nwapw/abacus/plugin/PluginManager.java

@@ -123,7 +123,7 @@ public class PluginManager {
      * @param name     the name of the tree value operator.
      * @param operator the tree value operator to register.
      */
-    public void registerTreeValueOperator(String name, TreeValueOperator operator){
+    public void registerTreeValueOperator(String name, TreeValueOperator operator) {
         registeredTreeValueOperators.put(name, operator);
     }
 
@@ -163,7 +163,7 @@ public class PluginManager {
      * @param name the name of the function.
      * @return the function, or null if it was not found.
      */
-    public TreeValueFunction treeValueFunctionFor(String name){
+    public TreeValueFunction treeValueFunctionFor(String name) {
         return registeredTreeValueFunctions.get(name);
     }
 
@@ -374,7 +374,7 @@ public class PluginManager {
      *
      * @return the set of all tree value operators that were loaded.
      */
-    public Set<String> getAllTreeValueOperators(){
+    public Set<String> getAllTreeValueOperators() {
         return registeredTreeValueOperators.keySet();
     }
 

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

@@ -80,21 +80,6 @@ public class StandardPlugin extends Plugin {
             return product;
         }
     };
-    /**
-     * The combination operator.
-     */
-    public static final NumberOperator OP_NCR = new NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 0) {
-        @Override
-        public boolean matchesParams(NumberInterface[] params) {
-            return params.length == 2 && params[0].fractionalPart().signum() == 0
-                    && params[1].fractionalPart().signum() == 0;
-        }
-
-        @Override
-        public NumberInterface applyInternal(NumberInterface[] params) {
-            return OP_NPR.apply(params).divide(OP_FACTORIAL.apply(params[1]));
-        }
-    };
     /**
      * The implementation for double-based naive numbers.
      */
@@ -109,6 +94,20 @@ public class StandardPlugin extends Plugin {
             return new NaiveNumber(Math.PI);
         }
     };
+    /**
+     * The square root function.
+     */
+    public static final NumberFunction FUNCTION_SQRT = new NumberFunction() {
+        @Override
+        public boolean matchesParams(NumberInterface[] params) {
+            return params.length == 1;
+        }
+
+        @Override
+        public NumberInterface applyInternal(NumberInterface[] params) {
+            return OP_CARET.apply(params[0], ((new NaiveNumber(0.5)).promoteTo(params[0].getClass())));
+        }
+    };
     /**
      * The implementation for the infinite-precision BigDecimal.
      */
@@ -225,6 +224,21 @@ public class StandardPlugin extends Plugin {
             return total;
         }
     };
+    /**
+     * The combination operator.
+     */
+    public static final NumberOperator OP_NCR = new NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 0) {
+        @Override
+        public boolean matchesParams(NumberInterface[] params) {
+            return params.length == 2 && params[0].fractionalPart().signum() == 0
+                    && params[1].fractionalPart().signum() == 0;
+        }
+
+        @Override
+        public NumberInterface applyInternal(NumberInterface[] params) {
+            return OP_NPR.apply(params).divide(OP_FACTORIAL.apply(params[1]));
+        }
+    };
     /**
      * The absolute value function, abs(-3) = 3
      */
@@ -333,50 +347,6 @@ public class StandardPlugin extends Plugin {
             return fromInt(params[0].getClass(), (int) Math.round(Math.random() * params[0].floor().intValue()));
         }
     };
-    /**
-     * The caret / pow operator, ^
-     */
-    public static final NumberOperator OP_CARET = new NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 2) {
-        @Override
-        public boolean matchesParams(NumberInterface[] params) {
-            NumberInterface zero = fromInt(params[0].getClass(), 0);
-            return params.length == 2
-                    && !(params[0].compareTo(zero) == 0
-                    && params[1].compareTo(zero) == 0)
-                    && !(params[0].signum() == -1 && params[1].fractionalPart().compareTo(zero) != 0);
-        }
-
-        @Override
-        public NumberInterface applyInternal(NumberInterface[] params) {
-            NumberInterface zero = fromInt(params[0].getClass(), 0);
-            if (params[0].compareTo(zero) == 0)
-                return zero;
-            else if (params[1].compareTo(zero) == 0)
-                return fromInt(params[0].getClass(), 1);
-            //Detect integer bases:
-            if (params[0].fractionalPart().compareTo(fromInt(params[0].getClass(), 0)) == 0
-                    && FUNCTION_ABS.apply(params[1]).compareTo(fromInt(params[0].getClass(), Integer.MAX_VALUE)) < 0
-                    && FUNCTION_ABS.apply(params[1]).compareTo(fromInt(params[1].getClass(), 1)) >= 0) {
-                NumberInterface[] newParams = {params[0], params[1].fractionalPart()};
-                return params[0].intPow(params[1].floor().intValue()).multiply(applyInternal(newParams));
-            }
-            return FUNCTION_EXP.apply(FUNCTION_LN.apply(FUNCTION_ABS.apply(params[0])).multiply(params[1]));
-        }
-    };
-    /**
-     * The square root function.
-     */
-    public static final NumberFunction FUNCTION_SQRT = new NumberFunction() {
-        @Override
-        public boolean matchesParams(NumberInterface[] params) {
-            return params.length == 1;
-        }
-
-        @Override
-        public NumberInterface applyInternal(NumberInterface[] params) {
-            return OP_CARET.apply(params[0], ((new NaiveNumber(0.5)).promoteTo(params[0].getClass())));
-        }
-    };
     private static final HashMap<Class<? extends NumberInterface>, ArrayList<NumberInterface>> FACTORIAL_LISTS = new HashMap<>();
     /**
      * The exponential function, exp(1) = e^1 = 2.71...
@@ -415,6 +385,36 @@ public class StandardPlugin extends Plugin {
             }
         }
     };
+    /**
+     * The caret / pow operator, ^
+     */
+    public static final NumberOperator OP_CARET = new NumberOperator(OperatorAssociativity.RIGHT, OperatorType.BINARY_INFIX, 2) {
+        @Override
+        public boolean matchesParams(NumberInterface[] params) {
+            NumberInterface zero = fromInt(params[0].getClass(), 0);
+            return params.length == 2
+                    && !(params[0].compareTo(zero) == 0
+                    && params[1].compareTo(zero) == 0)
+                    && !(params[0].signum() == -1 && params[1].fractionalPart().compareTo(zero) != 0);
+        }
+
+        @Override
+        public NumberInterface applyInternal(NumberInterface[] params) {
+            NumberInterface zero = fromInt(params[0].getClass(), 0);
+            if (params[0].compareTo(zero) == 0)
+                return zero;
+            else if (params[1].compareTo(zero) == 0)
+                return fromInt(params[0].getClass(), 1);
+            //Detect integer bases:
+            if (params[0].fractionalPart().compareTo(fromInt(params[0].getClass(), 0)) == 0
+                    && FUNCTION_ABS.apply(params[1]).compareTo(fromInt(params[0].getClass(), Integer.MAX_VALUE)) < 0
+                    && FUNCTION_ABS.apply(params[1]).compareTo(fromInt(params[1].getClass(), 1)) >= 0) {
+                NumberInterface[] newParams = {params[0], params[1].fractionalPart()};
+                return params[0].intPow(params[1].floor().intValue()).multiply(applyInternal(newParams));
+            }
+            return FUNCTION_EXP.apply(FUNCTION_LN.apply(FUNCTION_ABS.apply(params[0])).multiply(params[1]));
+        }
+    };
     /**
      * The sine function (the argument is interpreted in radians).
      */

core/src/main/kotlin/org/nwapw/abacus/function/applicable/Applicable.kt

@@ -8,7 +8,7 @@ package org.nwapw.abacus.function.applicable
  * @param <T> the type of the parameters passed to this applicable.
  * @param <O> the return type of the applicable.
  */
-interface Applicable<in T: Any, out O: Any> {
+interface Applicable<in T : Any, out O : Any> {
 
     /**
      * Checks if the given applicable can be used with the given parameters.
@@ -16,6 +16,7 @@ interface Applicable<in T: Any, out O: Any> {
      * @return whether the array can be used with applyInternal.
      */
     fun matchesParams(params: Array<out T>): Boolean
+
     /**
      * Applies the applicable object to the given parameters,
      * without checking for compatibility.
@@ -32,7 +33,7 @@ interface Applicable<in T: Any, out O: Any> {
      * @return the result of the operation, or null if parameters do not match.
      */
     fun apply(vararg params: T): O? {
-        if(!matchesParams(params)) return null
+        if (!matchesParams(params)) return null
         return applyInternal(params)
     }
 

core/src/main/kotlin/org/nwapw/abacus/function/applicable/ReducerApplicable.kt

@@ -11,7 +11,7 @@ import org.nwapw.abacus.tree.Reducer
  * @param <O> the return type of the application.
  * @param <R> the required type of the reducer.
  */
-interface ReducerApplicable<in T: Any, out O: Any, in R: Any> {
+interface ReducerApplicable<in T : Any, out O : Any, in R : Any> {
 
     /**
      * Checks if this applicable can be applied to the
@@ -19,6 +19,7 @@ interface ReducerApplicable<in T: Any, out O: Any, in R: Any> {
      * @param params the parameters to check.
      */
     fun matchesParams(params: Array<out T>): Boolean
+
     /**
      * Applies this applicable to the given arguments, and reducer.
      * @param reducer the reducer to use in the application.
@@ -26,6 +27,7 @@ interface ReducerApplicable<in T: Any, out O: Any, in R: Any> {
      * @return the result of the application.
      */
     fun applyWithReducerInternal(reducer: Reducer<R>, params: Array<out T>): O?
+
     /**
      * Applies this applicable to the given arguments, and reducer,
      * if the arguments and reducer are compatible with this applicable.
@@ -34,7 +36,7 @@ interface ReducerApplicable<in T: Any, out O: Any, in R: Any> {
      * @return the result of the application, or null if the arguments are incompatible.
      */
     fun applyWithReducer(reducer: Reducer<R>, vararg params: T): O? {
-        if(!matchesParams(params)) return null
+        if (!matchesParams(params)) return null
         return applyWithReducerInternal(reducer, params)
     }
 

core/src/main/kotlin/org/nwapw/abacus/tree/CallNode.kt

@@ -19,9 +19,9 @@ abstract class CallNode(val callTo: String) : TreeNode() {
         val buffer = StringBuffer()
         buffer.append(callTo)
         buffer.append("(")
-        for(i in 0 until children.size){
+        for (i in 0 until children.size) {
             buffer.append(children[i].toString())
-            buffer.append(if(i != children.size - 1) ", " else ")")
+            buffer.append(if (i != children.size - 1) ", " else ")")
         }
         return buffer.toString()
     }

core/src/main/kotlin/org/nwapw/abacus/tree/NumberNode.kt

@@ -1,7 +1,5 @@
 package org.nwapw.abacus.tree
 
-import org.nwapw.abacus.number.NumberInterface
-
 /**
  * A tree node that holds a single number value.
  *