Fix sqrt[] graphing bug

src/Ubuntu-R info

@@ -0,0 +1,2 @@
+The ubuntu.ttf font file was originally Ubuntu-R.ttf.
+It was changed for several petty reasons.

src/net/apocalypselabs/symat/CodeCompleter.java

@@ -49,12 +49,8 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import org.fife.ui.autocomplete.BasicCompletion;
-import org.fife.ui.autocomplete.Completion;
 import org.fife.ui.autocomplete.CompletionProvider;
 import org.fife.ui.autocomplete.DefaultCompletionProvider;
-import org.fife.ui.autocomplete.FunctionCompletion;
-import org.fife.ui.autocomplete.MarkupTagCompletion;
-import org.fife.ui.autocomplete.ShorthandCompletion;
 import org.fife.ui.autocomplete.VariableCompletion;
 
 /**

src/net/apocalypselabs/symat/CodeEditor.java

@@ -52,8 +52,6 @@ import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStreamReader;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import javax.swing.JFileChooser;
 import javax.swing.JOptionPane;
 import javax.swing.SwingUtilities;

src/net/apocalypselabs/symat/Graph.java

@@ -288,15 +288,20 @@ public class Graph extends javax.swing.JInternalFrame {
                     try {
                         cr.setVar("x", x);
                         res = solver.evaluate("$x=" + x + ";N[" + formula + "]").toString();
-                    } catch (MathException | NumberFormatException ex) {
+                    } catch (Exception ex) {
                         res = "0";
                     }
                     // Omit crazy numbers like 1/0 and stuff
-                    if (Double.parseDouble(res) > Integer.MIN_VALUE) {
+                    try {
+                        if (Double.parseDouble(res) > Integer.MIN_VALUE) {
+                            xx += String.valueOf(x) + " ";
+                            yy += res + " ";
+                        } else {
+
+                        }
+                    } catch (Exception ex) {
                         xx += String.valueOf(x) + " ";
                         yy += res + " ";
-                    } else {
-
                     }
                 }
                 Debug.println(xx);