[MATH-825] Method LaguerreSolver#laguerre(...) has been made private.

src/changes/changes.xml

@@ -54,6 +54,9 @@ If the output is not quite correct, check for invisible trailing spaces!
     </release>
 
     <release version="4.0" date="XXXX-XX-XX" description="">
+      <action dev="tn" type="update" issue="MATH-825" due-to="Gilles Sadowski">
+        Method "LaguerreSolver#laguerre(...)" has been made private.
+      </action>
       <action dev="tn" type="update" issue="MATH-760" due-to="sebb">
         Field "windowSize" in "DescriptiveStatistics" has been made private.
       </action>

src/main/java/org/apache/commons/math4/analysis/solvers/LaguerreSolver.java

@@ -150,9 +150,8 @@ public class LaguerreSolver extends AbstractPolynomialSolver {
      * @deprecated This method should not be part of the public API: It will
      * be made private in version 4.0.
      */
-    @Deprecated
-    public double laguerre(double lo, double hi,
-                           double fLo, double fHi) {
+    private double laguerre(double lo, double hi,
+                            double fLo, double fHi) {
         final Complex c[] = ComplexUtils.convertToComplex(getCoefficients());
 
         final Complex initial = new Complex(0.5 * (lo + hi), 0);