Optimize pow for integer bases.

src/main/java/org/nwapw/abacus/config/Configuration.java

@@ -30,10 +30,6 @@ public class Configuration {
      */
     private static final TomlWriter TOML_WRITER = new TomlWriter();
 
-    /**
-     * The computation delay for which the thread can run without interruption.
-     */
-    private double computationDelay = 0;
     /**
      * The implementation of the number that should be used.
      */
@@ -55,12 +51,10 @@ public class Configuration {
     /**
      * Creates a new configuration with the given values.
      *
-     * @param computationDelay     the delay before the computation gets killed.
      * @param numberImplementation the number implementation, like "naive" or "precise"
      * @param disabledPlugins      the list of disabled plugins.
      */
-    public Configuration(double computationDelay, String numberImplementation, String[] disabledPlugins) {
-        this.computationDelay = computationDelay;
+    public Configuration(String numberImplementation, String[] disabledPlugins) {
         this.numberImplementation = numberImplementation;
         this.disabledPlugins.addAll(Arrays.asList(disabledPlugins));
     }
@@ -81,7 +75,6 @@ public class Configuration {
      * @param otherConfiguration the configuration to copy from.
      */
     public void copyFrom(Configuration otherConfiguration) {
-        this.computationDelay = otherConfiguration.computationDelay;
         this.numberImplementation = otherConfiguration.numberImplementation;
         this.disabledPlugins.addAll(otherConfiguration.disabledPlugins);
     }
@@ -137,23 +130,4 @@ public class Configuration {
         return disabledPlugins;
     }
 
-
-    /**
-     * Gets the computation delay specified in the configuration.
-     *
-     * @return the computaton delay.
-     */
-    public double getComputationDelay() {
-        return computationDelay;
-    }
-
-    /**
-     * Sets the computation delay.
-     *
-     * @param computationDelay the new computation delay.
-     */
-    public void setComputationDelay(double computationDelay) {
-        this.computationDelay = computationDelay;
-    }
-
 }

src/main/java/org/nwapw/abacus/fx/AbacusApplication.java

@@ -12,25 +12,13 @@ import javafx.stage.Stage;
  */
 public class AbacusApplication extends Application {
 
-    /**
-     * The controller currently managing the application.
-     */
-    private AbacusController controller;
-
     @Override
     public void start(Stage primaryStage) throws Exception {
-        FXMLLoader loader = new FXMLLoader(getClass().getResource("/abacus.fxml"));
-        Parent parent = loader.load();
-        controller = loader.getController();
+        Parent parent = FXMLLoader.load(getClass().getResource("/abacus.fxml"));
         Scene mainScene = new Scene(parent, 320, 480);
         primaryStage.setScene(mainScene);
         primaryStage.setTitle("Abacus");
         primaryStage.show();
     }
 
-    @Override
-    public void stop() throws Exception {
-        super.stop();
-        controller.performStop();
-    }
 }

src/main/java/org/nwapw/abacus/fx/AbacusController.java

@@ -1,11 +1,8 @@
 package org.nwapw.abacus.fx;
 
 import javafx.application.Platform;
-import javafx.beans.value.ChangeListener;
-import javafx.beans.value.ObservableValue;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
-import javafx.collections.transformation.FilteredList;
 import javafx.fxml.FXML;
 import javafx.scene.control.*;
 import javafx.scene.control.cell.CheckBoxListCell;
@@ -73,8 +70,6 @@ public class AbacusController implements PluginListener {
     @FXML
     private Tab settingsTab;
     @FXML
-    private Tab functionListTab;
-    @FXML
     private TableView<HistoryModel> historyTable;
     @FXML
     private TableColumn<HistoryModel, String> inputColumn;
@@ -94,12 +89,6 @@ public class AbacusController implements PluginListener {
     private ComboBox<String> numberImplementationBox;
     @FXML
     private ListView<ToggleablePlugin> enabledPluginView;
-    @FXML
-    private TextField computationLimitField;
-    @FXML
-    private ListView<String> functionListView;
-    @FXML
-    private TextField functionListSearchField;
 
     /**
      * The list of history entries, created by the users.
@@ -117,14 +106,6 @@ public class AbacusController implements PluginListener {
      * and, when reloaded, get added to the plugin manager's black list.
      */
     private ObservableList<ToggleablePlugin> enabledPlugins;
-    /**
-     * The list of functions that are registered in the calculator.
-     */
-    private ObservableList<String> functionList;
-    /**
-     * The filtered list displayed to the user.
-     */
-    private FilteredList<String> functionFilter;
 
     /**
      * The abacus instance used for changing the plugin configuration.
@@ -143,17 +124,6 @@ public class AbacusController implements PluginListener {
      * The alert shown when a press to "apply" is needed.
      */
     private Alert reloadAlert;
-    /**
-     * The runnable that takes care of killing computations that take too long.
-     */
-    private final Runnable TIMER_RUNNABLE = () -> {
-        try {
-            Configuration abacusConfig = abacus.getConfiguration();
-            if(abacusConfig.getComputationDelay() == 0) return;
-            Thread.sleep((long) (abacusConfig.getComputationDelay() * 1000));
-            performStop();
-        } catch (InterruptedException e) { }
-    };
     /**
      * The runnable used to perform the calculation.
      */
@@ -191,10 +161,6 @@ public class AbacusController implements PluginListener {
             });
         }
     };
-    /**
-     * The thread that is waiting to pause the calculation.
-     */
-    private Thread computationLimitThread;
     /**
      * The thread in which the computation runs.
      */
@@ -228,11 +194,6 @@ public class AbacusController implements PluginListener {
                     }
                 });
 
-        functionList = FXCollections.observableArrayList();
-        functionFilter = new FilteredList<>(functionList, (s) -> true);
-        functionListView.setItems(functionFilter);
-        functionListSearchField.textProperty().addListener((observable, oldValue, newValue) ->
-                functionFilter.setPredicate((newValue.length() == 0) ? ((s) -> true) : ((s) -> s.contains(newValue))));
         historyData = FXCollections.observableArrayList();
         historyTable.setItems(historyData);
         numberImplementationOptions = FXCollections.observableArrayList();
@@ -263,15 +224,6 @@ public class AbacusController implements PluginListener {
         }
         abacusPluginManager.reload();
 
-        computationLimitField.setText(Double.toString(abacus.getConfiguration().getComputationDelay()));
-        computationLimitField.textProperty().addListener((observable, oldValue, newValue) -> {
-            if(!newValue.matches("(\\d+(\\.\\d*)?)?")) {
-                computationLimitField.setText(oldValue);
-            } else {
-                changesMade = true;
-            }
-        });
-
         changesMade = false;
         reloadAlertShown = false;
 
@@ -282,29 +234,21 @@ public class AbacusController implements PluginListener {
     }
 
     @FXML
-    public void performCalculation() {
+    private void performCalculation() {
         inputButton.setDisable(true);
         stopButton.setDisable(false);
         calculationThread = new Thread(CALCULATION_RUNNABLE);
         calculationThread.start();
-        computationLimitThread = new Thread(TIMER_RUNNABLE);
-        computationLimitThread.start();
     }
 
     @FXML
-    public void performStop(){
-        if(calculationThread != null) {
+    private void performStop(){
+        if(calculationThread != null)
             calculationThread.interrupt();
-            calculationThread = null;
-        }
-        if(computationLimitThread != null){
-            computationLimitThread.interrupt();
-            computationLimitThread = null;
-        }
     }
 
     @FXML
-    public void performSaveAndReload() {
+    private void performSaveAndReload() {
         performSave();
         performReload();
         changesMade = false;
@@ -312,13 +256,13 @@ public class AbacusController implements PluginListener {
     }
 
     @FXML
-    public void performReload() {
+    private void performReload() {
         alertIfApplyNeeded(true);
         abacus.getPluginManager().reload();
     }
 
     @FXML
-    public void performSave() {
+    private void performSave() {
         Configuration configuration = abacus.getConfiguration();
         configuration.setNumberImplementation(numberImplementationBox.getSelectionModel().getSelectedItem());
         Set<String> disabledPlugins = configuration.getDisabledPlugins();
@@ -326,8 +270,6 @@ public class AbacusController implements PluginListener {
         for (ToggleablePlugin pluginEntry : enabledPlugins) {
             if (!pluginEntry.isEnabled()) disabledPlugins.add(pluginEntry.getClassName());
         }
-        if(computationLimitField.getText().matches("\\d*(\\.\\d+)?") && computationLimitField.getText().length() != 0)
-            configuration.setComputationDelay(Double.parseDouble(computationLimitField.getText()));
         configuration.saveTo(CONFIG_FILE);
         changesMade = false;
         reloadAlertShown = false;
@@ -347,15 +289,11 @@ public class AbacusController implements PluginListener {
             plugin.enabledProperty().addListener(e -> changesMade = true);
             enabledPlugins.add(plugin);
         }
-        functionList.addAll(manager.getAllFunctions());
-        functionList.sort(String::compareTo);
     }
 
     @Override
     public void onUnload(PluginManager manager) {
-        functionList.clear();
         enabledPlugins.clear();
         numberImplementationOptions.clear();
     }
-
 }

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

@@ -173,7 +173,7 @@ public abstract class NumberInterface {
     /**
      * Returns the least integer greater than or equal to the number.
      *
-     * @return the least integer greater or equal to the number, if int can hold the value.
+     * @return the least integer >= the number, if int can hold the value.
      */
     protected abstract NumberInterface ceilingInternal();
 
@@ -182,7 +182,7 @@ public abstract class NumberInterface {
      * Also, checks if the thread has been interrupted, and if so, throws
      * an exception.
      *
-     * @return the least integer bigger or equal to the number, if int can hold the value.
+     * @return the least integer bigger or equal to the number.
      */
     public final NumberInterface ceiling(){
         checkInterrupted();
@@ -192,7 +192,7 @@ public abstract class NumberInterface {
     /**
      * Return the greatest integer less than or equal to the number.
      *
-     * @return the greatest integer smaller or equal the number, if int can hold the value.
+     * @return the greatest integer smaller or equal the number.
      */
     protected abstract NumberInterface floorInternal();
 
@@ -201,7 +201,7 @@ public abstract class NumberInterface {
      * Also, checks if the thread has been interrupted, and if so, throws
      * an exception.
      *
-     * @return the greatest int smaller or equal to the number, if int can hold the value.
+     * @return the greatest int greater than or equal to the number.
      */
     public final NumberInterface floor(){
         checkInterrupted();
@@ -216,7 +216,7 @@ public abstract class NumberInterface {
     protected abstract NumberInterface fractionalPartInternal();
 
     /**
-     * Returns the fractional part of the number.
+     * Returns the fractional part of the number, specifically x - floor(x).
      * Also, checks if the thread has been interrupted,
      * and if so, throws an exception.
      * @return the fractional part of the number.

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

@@ -113,19 +113,18 @@ public class PreciseNumber extends NumberInterface {
         String str = value.toPlainString();
         int decimalIndex = str.indexOf('.');
         if (decimalIndex != -1) {
-            return new PreciseNumber(str.substring(0, decimalIndex));
+            NumberInterface floor = new PreciseNumber(str.substring(0, decimalIndex));
+            if(signum() == -1){
+                floor = floor.subtract(ONE);
+            }
+            return floor;
         }
         return this;
     }
 
     @Override
     public NumberInterface fractionalPartInternal() {
-        String str = value.toPlainString();
-        int decimalIndex = str.indexOf('.');
-        if (decimalIndex != -1) {
-            return new PreciseNumber(str.substring(decimalIndex + 1));
-        }
-        return ZERO;
+        return this.subtractInternal(floorInternal());
     }
 
     @Override

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

@@ -17,6 +17,18 @@ import java.util.Set;
  */
 public abstract class Plugin {
 
+    /**
+     * A hash map of functions mapped to their string names.
+     */
+    private Map<String, Function> functions;
+    /**
+     * A hash map of operators mapped to their string names.
+     */
+    private Map<String, Operator> operators;
+    /**
+     * The map of the number implementations this plugin provides.
+     */
+    private Map<String, NumberImplementation> numberImplementations;
     /**
      * The plugin manager in which to search for functions
      * not inside this package,
@@ -37,9 +49,69 @@ public abstract class Plugin {
      */
     public Plugin(PluginManager manager) {
         this.manager = manager;
+        functions = new HashMap<>();
+        operators = new HashMap<>();
+        numberImplementations = new HashMap<>();
         enabled = false;
     }
 
+    /**
+     * Gets the list of functions provided by this plugin.
+     *
+     * @return the list of registered functions.
+     */
+    public final Set<String> providedFunctions() {
+        return functions.keySet();
+    }
+
+    /**
+     * Gets the list of functions provided by this plugin.
+     *
+     * @return the list of registered functions.
+     */
+    public final Set<String> providedOperators() {
+        return operators.keySet();
+    }
+
+    /**
+     * Gets the list of number implementations provided by this plugin.
+     *
+     * @return the list of registered number implementations.
+     */
+    public final Set<String> providedNumberImplementations() {
+        return numberImplementations.keySet();
+    }
+
+    /**
+     * Gets a function under the given function name.
+     *
+     * @param functionName the name of the function to get
+     * @return the function, or null if this plugin doesn't provide it.
+     */
+    public final Function getFunction(String functionName) {
+        return functions.get(functionName);
+    }
+
+    /**
+     * Gets an operator under the given operator name.
+     *
+     * @param operatorName the name of the operator to get.
+     * @return the operator, or null if this plugin doesn't provide it.
+     */
+    public final Operator getOperator(String operatorName) {
+        return operators.get(operatorName);
+    }
+
+    /**
+     * Gets the number implementation under the given name.
+     *
+     * @param name the name of the number implementation to look up.
+     * @return the number implementation associated with that name, or null if the plugin doesn't provide it.
+     */
+    public final NumberImplementation getNumberImplementation(String name) {
+        return numberImplementations.get(name);
+    }
+
     /**
      * Enables the function, loading the necessary instances
      * of functions.
@@ -57,6 +129,8 @@ public abstract class Plugin {
     public final void disable() {
         if (!enabled) return;
         onDisable();
+        functions.clear();
+        operators.clear();
         enabled = false;
     }
 
@@ -68,7 +142,7 @@ public abstract class Plugin {
      * @param toRegister the function implementation.
      */
     protected final void registerFunction(String name, Function toRegister) {
-        manager.registerFunction(name, toRegister);
+        functions.put(name, toRegister);
     }
 
     /**
@@ -80,7 +154,7 @@ public abstract class Plugin {
      * @param operator the operator to register.
      */
     protected final void registerOperator(String name, Operator operator) {
-        manager.registerOperator(name, operator);
+        operators.put(name, operator);
     }
 
     /**
@@ -91,7 +165,7 @@ public abstract class Plugin {
      * @param implementation the actual implementation class to register.
      */
     protected final void registerNumberImplementation(String name, NumberImplementation implementation) {
-        manager.registerNumberImplementation(name, implementation);
+        numberImplementations.put(name, implementation);
     }
 
     /**
@@ -139,7 +213,7 @@ public abstract class Plugin {
      * @param forClass the class to which to find the pi instance.
      * @return the pi value for the given class.
      */
-    protected final NumberInterface piFor(Class<? extends NumberInterface> forClass) {
+    protected final NumberInterface getPi(Class<? extends NumberInterface> forClass) {
         return manager.piFor(forClass);
     }
 

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

@@ -23,17 +23,20 @@ public class PluginManager {
      */
     private Set<Plugin> plugins;
     /**
-     * The map of functions registered by the plugins.
+     * List of functions that have been cached,
+     * that is, found in a plugin and returned.
      */
-    private Map<String, Function> registeredFunctions;
+    private Map<String, Function> cachedFunctions;
     /**
-     * The map of operators registered by the plugins
+     * List of operators that have been cached,
+     * that is, found in a plugin and returned.
      */
-    private Map<String, Operator> registeredOperators;
+    private Map<String, Operator> cachedOperators;
     /**
-     * The map of number implementations registered by the plugins.
+     * The list of number implementations that have
+     * been cached, that is, found in a plugin and returned.
      */
-    private Map<String, NumberImplementation> registeredNumberImplementations;
+    private Map<String, NumberImplementation> cachedNumberImplementations;
     /**
      * The list of number implementations that have been
      * found by their implementation class.
@@ -43,6 +46,18 @@ public class PluginManager {
      * The pi values for each implementation class that have already been computer.
      */
     private Map<Class<? extends NumberInterface>, NumberInterface> cachedPi;
+    /**
+     * List of all functions loaded by the plugins.
+     */
+    private Set<String> allFunctions;
+    /**
+     * List of all operators loaded by the plugins.
+     */
+    private Set<String> allOperators;
+    /**
+     * List of all the number implementations loaded by the plugins.
+     */
+    private Set<String> allNumberImplementations;
     /**
      * The list of plugin listeners attached to this instance.
      */
@@ -62,66 +77,79 @@ public class PluginManager {
         this.abacus = abacus;
         loadedPluginClasses = new HashSet<>();
         plugins = new HashSet<>();
-        registeredFunctions = new HashMap<>();
-        registeredOperators = new HashMap<>();
-        registeredNumberImplementations = new HashMap<>();
+        cachedFunctions = new HashMap<>();
+        cachedOperators = new HashMap<>();
+        cachedNumberImplementations = new HashMap<>();
         cachedInterfaceImplementations = new HashMap<>();
         cachedPi = new HashMap<>();
+        allFunctions = new HashSet<>();
+        allOperators = new HashSet<>();
+        allNumberImplementations = new HashSet<>();
         listeners = new HashSet<>();
     }
 
     /**
-     * Registers a function under the given name.
-     * @param name the name of the function.
-     * @param function the function to register.
+     * Searches the plugin list for a certain value, retrieving the Plugin's
+     * list of items of the type using the setFunction and getting the value
+     * of it is available via getFunction. If the value is contained
+     * in the cache, it returns the cached value instead.
+     *
+     * @param plugins     the plugin list to search.
+     * @param cache       the cache to use
+     * @param setFunction the function to retrieve a set of available T's from the plugin
+     * @param getFunction the function to get the T value under the given name
+     * @param name        the name to search for
+     * @param <T>         the type of element being search
+     * @param <K>         the type of key that the cache is indexed by.
+     * @return the retrieved element, or null if it was not found.
      */
-    public void registerFunction(String name, Function function){
-        registeredFunctions.put(name, function);
+    private static <T, K> T searchCached(Collection<Plugin> plugins, Map<K, T> cache,
+                                         java.util.function.Function<Plugin, Set<K>> setFunction,
+                                         java.util.function.BiFunction<Plugin, K, T> getFunction,
+                                         K name) {
+        if (cache.containsKey(name)) return cache.get(name);
+
+        T loadedValue = null;
+        for (Plugin plugin : plugins) {
+            if (setFunction.apply(plugin).contains(name)) {
+                loadedValue = getFunction.apply(plugin, name);
+                break;
+            }
+        }
+
+        cache.put(name, loadedValue);
+        return loadedValue;
     }
 
     /**
-     * Registers an operator under the given name.
+     * Gets a function under the given name.
+     *
+     * @param name the name of the function
+     * @return the function under the given name.
+     */
+    public Function functionFor(String name) {
+        return searchCached(plugins, cachedFunctions, Plugin::providedFunctions, Plugin::getFunction, name);
+    }
+
+    /**
+     * Gets an operator under the given name.
+     *
      * @param name the name of the operator.
-     * @param operator the operator to register.
+     * @return the operator under the given name.
      */
-    public void registerOperator(String name, Operator operator){
-        registeredOperators.put(name, operator);
+    public Operator operatorFor(String name) {
+        return searchCached(plugins, cachedOperators, Plugin::providedOperators, Plugin::getOperator, name);
     }
 
     /**
-     * Registers a number implementation under the given name.
-     * @param name the name of the number implementation.
-     * @param implementation the number implementation to register.
+     * Gets the number implementation under the given name.
+     *
+     * @param name the name of the implementation.
+     * @return the implementation.
      */
-    public void registerNumberImplementation(String name, NumberImplementation implementation){
-        registeredNumberImplementations.put(name, implementation);
-    }
-
-    /**
-     * Gets the function registered under the given name.
-     * @param name the name of the function.
-     * @return the function, or null if it was not found.
-     */
-    public Function functionFor(String name){
-        return registeredFunctions.get(name);
-    }
-
-    /**
-     * Gets the operator registered under the given name.
-     * @param name the name of the operator.
-     * @return the operator, or null if it was not found.
-     */
-    public Operator operatorFor(String name){
-        return registeredOperators.get(name);
-    }
-
-    /**
-     * Gets the number implementation registered under the given name.
-     * @param name the name of the number implementation.
-     * @return the number implementation, or null if it was not found.
-     */
-    public NumberImplementation numberImplementationFor(String name){
-        return registeredNumberImplementations.get(name);
+    public NumberImplementation numberImplementationFor(String name) {
+        return searchCached(plugins, cachedNumberImplementations, Plugin::providedNumberImplementations,
+                Plugin::getNumberImplementation, name);
     }
 
     /**
@@ -133,11 +161,14 @@ public class PluginManager {
     public NumberImplementation interfaceImplementationFor(Class<? extends NumberInterface> name) {
         if (cachedInterfaceImplementations.containsKey(name)) return cachedInterfaceImplementations.get(name);
         NumberImplementation toReturn = null;
-        for(String key : registeredNumberImplementations.keySet()){
-            NumberImplementation implementation = registeredNumberImplementations.get(key);
-            if(implementation.getImplementation() == name) {
-                toReturn = implementation;
-                break;
+        outside:
+        for (Plugin plugin : plugins) {
+            for (String implementationName : plugin.providedNumberImplementations()) {
+                NumberImplementation implementation = plugin.getNumberImplementation(implementationName);
+                if (implementation.getImplementation().equals(name)) {
+                    toReturn = implementation;
+                    break outside;
+                }
             }
         }
         cachedInterfaceImplementations.put(name, toReturn);
@@ -196,6 +227,12 @@ public class PluginManager {
             if (disabledPlugins.contains(plugin.getClass().getName())) continue;
             plugin.enable();
         }
+        for (Plugin plugin : plugins) {
+            if (disabledPlugins.contains(plugin.getClass().getName())) continue;
+            allFunctions.addAll(plugin.providedFunctions());
+            allOperators.addAll(plugin.providedOperators());
+            allNumberImplementations.addAll(plugin.providedNumberImplementations());
+        }
         listeners.forEach(e -> e.onLoad(this));
     }
 
@@ -209,11 +246,14 @@ public class PluginManager {
             if (disabledPlugins.contains(plugin.getClass().getName())) continue;
             plugin.disable();
         }
-        registeredFunctions.clear();
-        registeredOperators.clear();
-        registeredNumberImplementations.clear();
+        cachedFunctions.clear();
+        cachedOperators.clear();
+        cachedNumberImplementations.clear();
         cachedInterfaceImplementations.clear();
         cachedPi.clear();
+        allFunctions.clear();
+        allOperators.clear();
+        allNumberImplementations.clear();
         listeners.forEach(e -> e.onUnload(this));
     }
 
@@ -231,7 +271,7 @@ public class PluginManager {
      * @return the set of all functions that were loaded.
      */
     public Set<String> getAllFunctions() {
-        return registeredFunctions.keySet();
+        return allFunctions;
     }
 
     /**
@@ -240,7 +280,7 @@ public class PluginManager {
      * @return the set of all operators that were loaded.
      */
     public Set<String> getAllOperators() {
-        return registeredOperators.keySet();
+        return allOperators;
     }
 
     /**
@@ -249,7 +289,7 @@ public class PluginManager {
      * @return the set of all implementations that were loaded.
      */
     public Set<String> getAllNumberImplementations() {
-        return registeredNumberImplementations.keySet();
+        return allNumberImplementations;
     }
 
     /**

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

@@ -349,6 +349,13 @@ public class StandardPlugin extends Plugin {
                 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());
+            //Detect integer bases:
+            if(params[0].fractionalPart().compareTo(fromInt(params[0].getClass(), 0)) == 0
+                    && FUNCTION_ABS.apply(params[0]).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]));
         }
     });
@@ -363,7 +370,7 @@ public class StandardPlugin extends Plugin {
 
         @Override
         protected NumberInterface applyInternal(NumberInterface[] params) {
-            NumberInterface pi = piFor(params[0].getClass());
+            NumberInterface pi = getPi(params[0].getClass());
             NumberInterface twoPi = pi.multiply(fromInt(pi.getClass(), 2));
             NumberInterface theta = getSmallAngle(params[0], pi);
             //System.out.println(theta);
@@ -387,7 +394,7 @@ public class StandardPlugin extends Plugin {
 
         @Override
         protected NumberInterface applyInternal(NumberInterface[] params) {
-            return functionSin.apply(piFor(params[0].getClass()).divide(fromInt(params[0].getClass(), 2))
+            return functionSin.apply(getPi(params[0].getClass()).divide(fromInt(params[0].getClass(), 2))
                     .subtract(params[0]));
         }
     };

src/main/resources/abacus.fxml

@@ -50,9 +50,7 @@
                     <ListView fx:id="enabledPluginView"
                               GridPane.rowIndex="1" GridPane.columnIndex="0"
                               GridPane.columnSpan="2" maxHeight="100"/>
-                    <Text GridPane.columnIndex="0" GridPane.rowIndex="2" text="Computation Limit"/>
-                    <TextField fx:id="computationLimitField" GridPane.columnIndex="1" GridPane.rowIndex="2"/>
-                    <FlowPane GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="3" hgap="10"
+                    <FlowPane GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="2" hgap="10"
                               vgap="10">
                         <Button text="Apply" onAction="#performSave"/>
                         <Button text="Reload Plugins" onAction="#performReload"/>
@@ -60,15 +58,6 @@
                     </FlowPane>
                 </GridPane>
             </Tab>
-            <Tab fx:id="functionListTab" text="Functions" closable="false">
-                <VBox spacing="10">
-                    <padding>
-                        <Insets left="10" right="10" top="10" bottom="10"/>
-                    </padding>
-                    <TextField fx:id="functionListSearchField" maxWidth="Infinity"/>
-                    <ListView maxWidth="Infinity" fx:id="functionListView"/>
-                </VBox>
-            </Tab>
         </TabPane>
     </center>
 

src/test/java/org/nwapw/abacus/tests/CalculationTests.java

@@ -11,7 +11,7 @@ import org.nwapw.abacus.tree.TreeNode;
 
 public class CalculationTests {
 
-    private static Abacus abacus = new Abacus(new Configuration(0, "precise", new String[]{}));
+    private static Abacus abacus = new Abacus(new Configuration("precise", new String[]{}));
 
     @BeforeClass
     public static void prepareTests(){

src/test/java/org/nwapw/abacus/tests/TokenizerTests.java

@@ -19,7 +19,7 @@ import java.util.List;
 
 public class TokenizerTests {
 
-    private static Abacus abacus = new Abacus(new Configuration(0, "precise", new String[]{}));
+    private static Abacus abacus = new Abacus(new Configuration("precise", new String[]{}));
     private static LexerTokenizer lexerTokenizer = new LexerTokenizer();
     private static Function subtractFunction = new Function() {
         @Override