Turbo Mode

nb-configuration.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project-shared-configuration>
+    <!--
+This file contains additional configuration written by modules in the NetBeans IDE.
+The configuration is intended to be shared among all the users of project and
+therefore it is assumed to be part of version control checkout.
+Without this configuration present, some functionality in the IDE may be limited or fail altogether.
+-->
+    <spellchecker-wordlist xmlns="http://www.netbeans.org/ns/spellchecker-wordlist/1">
+        <word>bytecode</word>
+        <word>Runtime</word>
+    </spellchecker-wordlist>
+</project-shared-configuration>

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.github.gbenroscience</groupId>
     <artifactId>parser-ng</artifactId>
-    <version>0.2.6</version>
+    <version>1.0.0</version>
     <packaging>jar</packaging>
     <!-- 
       I started this project 2009 and have been upgrading it since then.
@@ -12,7 +12,7 @@
     -->
 
     <name>ParserNG</name>
-    <description>Rich and Performant, Cross Platform Java Library(100% Java)... Major optimizations in constant folding, strength reduction, and frame(array) based argument passing to enforce O(1) (faster than Map based) passing of arguments during the evaluation phase.
+    <description>Rich and Performant, Cross Platform Java Library(100% Java)...Version 1.0.0 explodes even higher in execution speed.
         </description>
     <url>https://github.com/gbenroscience/ParserNG</url>
 
@@ -40,15 +40,22 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
-            <version>5.8.2</version>
+            <version>6.0.3</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.8.2</version>
+            <version>6.0.3</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-params</artifactId>
+            <version>6.0.3</version>
+            <scope>test</scope>
+            <type>jar</type>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/com/github/gbenroscience/math/differentialcalculus/Derivative.java

@@ -172,16 +172,15 @@ public ArrayList<String> differentiateAsList() {
 
         return array;
     }//end method
-
-
+
     /**
-     * 
+     *
      * @param name The name to check.
-     * @return true if the name is automatically generated and
-     * so, most likely refers to a stored Differentiable.
+     * @return true if the name is automatically generated and so, most likely
+     * refers to a stored Differentiable.
      */
-    public boolean isBaseVariable(String name){
-       return name.equals(this.baseVariable);
+    public boolean isBaseVariable(String name) {
+        return name.equals(this.baseVariable);
     }//end method
 
     /**
@@ -197,19 +196,17 @@ public boolean isBaseVariable(String name){
      * value is returned.
      *
      */
-    public static String eval(String expr) {
+    public static MathExpression.EvalResult eval(String expr) {
 //the anonymous function to be differentiated: e.g.diff(@(p)(3*p^3+2*p^2-8*p+1),1)
         try {
             Parser p = new Parser(expr);
-
-
+
             if (p.result == ParserResult.VALID) {
- 
+
                 expr = "diff(" + p.getFunction().getMathExpression().getExpression() + ")";
                 String baseVariable = p.getFunction().getIndependentVariables().get(0).getName();
-
                 int orderOfDiff = p.getOrderOfDifferentiation();
-                if(p.isNotSetOrderOfDiff()){
+                if (p.isNotSetOrderOfDiff()) {
                     orderOfDiff = 1;
                 }
 
@@ -223,33 +220,58 @@ public static String eval(String expr) {
                     }//end for loop
                     expr = expr.substring(5, expr.length() - 1);
                     MathExpression me = new MathExpression(baseVariable + "=" + evalPoint + ";" + expr);
-                    return me.solve();
+                    System.out.println(baseVariable + "=" + evalPoint + ";" + expr);
+                    me.updateArgs(evalPoint);
+                    return me.solveGeneric();
                 } else {
                     for (int i = 1; i <= orderOfDiff; i++) {
                         Derivative derivative = new Derivative(expr);
                         derivative.baseVariable = baseVariable;
                         expr = "diff(" + derivative.differentiate() + ")";
                     }//end for loop
                     expr = expr.substring(5, expr.length() - 1);
- 
-                    String funcExpr = "@("+baseVariable+")"+expr;
- 
+
+                    String funcExpr = "@(" + baseVariable + ")" + expr;
+
                     Function f = FunctionManager.add(funcExpr);
-                    return f.getName();
+                    return f.getMathExpression().getNextResult().wrap(f.getName());
                     //return funcExpr;
                 }
             }
-            return "Input Error!!!";
+            return new MathExpression.EvalResult().wrap(ParserResult.STRANGE_INPUT);
         } catch (Exception e) {
             e.printStackTrace();
-            return "Input Error";
+            return new MathExpression.EvalResult().wrap(ParserResult.STRANGE_INPUT);
         }
     }
 
     /**
      * @param args
      */
     public static void main(String args[]) {
+        String f = "10*x^5";
+        Derivative d;
+        try {
+            d = new Derivative(f);
+            System.out.println("diff(" + f + ") = " + d.differentiate());
+        } catch (Exception ex) {
+            Logger.getLogger(Derivative.class.getName()).log(Level.SEVERE, null, ex);
+        }
+
+
+
+         f = "diff(@(x)10*x^5,3)";
+        try {
+            MathExpression.EvalResult ev = Derivative.eval(f);
+            String res = ev.textRes;
+            System.out.println("diff(" + f + ") = " + res);
+            System.out.println("Grad Function = " + FunctionManager.lookUp(res));
+
+        } catch (Exception ex) {
+            Logger.getLogger(Derivative.class.getName()).log(Level.SEVERE, null, ex);
+        }
+
+
         try {
             //MAKE DECISION ON WHETHER TO ENABLE (-x+...
             //OR TO DISABLE IT. ENABLING IT WILL MEAN CONVERTING -x patterns to -1*x....

src/main/java/com/github/gbenroscience/math/differentialcalculus/Parser.java

@@ -97,8 +97,8 @@ public class Parser {
     public Parser(String expression) {
 
         DataSetFormatter dsf = new DataSetFormatter(expression);
-        List<String> scanner = dsf.getDataset();
-
+        List<String> scanner = dsf.getDataset(); 
+        scanner = MathScanner.plusAndMinusStringHandlerHelper(scanner);
         MathScanner.recognizeAnonymousFunctions(scanner);
 
         this.function = localParseDerivativeCommand(scanner);