Fix NullPointerException in BisectionSolver.solve(f, min, max, initial)

JIRA: MATH-369

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@940565 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/math/analysis/solvers/BisectionSolver.java

@@ -69,7 +69,7 @@ public class BisectionSolver extends UnivariateRealSolverImpl {
     /** {@inheritDoc} */
     public double solve(final UnivariateRealFunction f, double min, double max, double initial)
         throws MaxIterationsExceededException, FunctionEvaluationException {
-        return solve(min, max);
+        return solve(f, min, max);
     }
 
     /** {@inheritDoc} */

src/site/xdoc/changes.xml

@@ -52,6 +52,9 @@ The <action> type attribute can be add,update,fix,remove.
     If the output is not quite correct, check for invisible trailing spaces!
      -->
     <release version="2.2" date="TBD" description="TBD">
+      <action dev="luc" type="fix" issue="MATH-369" due-to="Sasun Pundev">
+        Fix NullPointerException in BisectionSolver.solve(f, min, max, initial)
+      </action>
     </release>
     <release version="2.1" date="2010-04-02" description="
 This is primarily a maintenance release, but it also includes new features and enhancements.

src/test/java/org/apache/commons/math/analysis/solvers/BisectionSolverTest.java

@@ -95,6 +95,12 @@ public final class BisectionSolverTest extends TestCase {
         assertTrue(solver.getIterationCount() > 0);
     }
 
+    public void testMath369() throws Exception {
+        UnivariateRealFunction f = new SinFunction();
+        UnivariateRealSolver solver = new BisectionSolver();
+        assertEquals(Math.PI, solver.solve(f, 3.0, 3.2, 3.1), solver.getAbsoluteAccuracy());
+    }
+
     /**
      *
      */