DO NOT REPLY [Bug 36266] New: - [math][patch] Update ComplexUtils.java

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http://issues.apache.org/bugzilla/show_bug.cgi?id=36266

           Summary: [math][patch] Update ComplexUtils.java
           Product: Commons
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Math
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: zxg_32@yahoo.com


Index: ComplexUtils.java
===================================================================
--- ComplexUtils.java   (revision 233396)
+++ ComplexUtils.java   (working copy)
@@ -216,7 +216,10 @@

         double a = z.getReal();
         double b = z.getImaginary();
-
+        if (a == 0.0 && b == 0.0) {
+            return new Complex(0.0, 0.0);
+        }
+
         double t = Math.sqrt((Math.abs(a) + z.abs()) / 2.0);
         if (a >= 0.0) {
             return new Complex(t, b / (2.0 * t));

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