[commons-math] 03/05: Use method reference (suggested by "sonarcloud").

[erans]

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commit 286ff6ad392028007028ee5369b8978524428940
Author: Gilles Sadowski <gillese...@gmail.com>
AuthorDate: Wed Jul 14 13:32:09 2021 +0200

    Use method reference (suggested by "sonarcloud").
---
 .../math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizer.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizer.java
 
b/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizer.java
index 81a04d6..60af50d 100644
--- 
a/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizer.java
+++ 
b/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/SimplexOptimizer.java
@@ -108,7 +108,7 @@ public class SimplexOptimizer extends MultivariateOptimizer 
{
 
         // Indirect call to "computeObjectiveValue" in order to update the
         // evaluations counter.
-        final MultivariateFunction evalFunc = p -> computeObjectiveValue(p);
+        final MultivariateFunction evalFunc = this::computeObjectiveValue;
 
         final boolean isMinim = getGoalType() == GoalType.MINIMIZE;
         final Comparator<PointValuePair> comparator = (o1, o2) -> {