From cc15aa3895d51255a8af5497e04112c42a8a0ce1 Mon Sep 17 00:00:00 2001
From: Gilles Sadowski <erans@apache.org>
Date: Thu, 4 Jul 2013 14:24:11 +0000
Subject: [PATCH] MATH-995 Javadoc: added warning about wrong usage.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1499765 13f79535-47bb-0310-9956-ffa450edef68
---
 .../integration/IterativeLegendreGaussIntegrator.java     | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main/java/org/apache/commons/math3/analysis/integration/IterativeLegendreGaussIntegrator.java b/src/main/java/org/apache/commons/math3/analysis/integration/IterativeLegendreGaussIntegrator.java
index c17cbf934..ba403885f 100644
--- a/src/main/java/org/apache/commons/math3/analysis/integration/IterativeLegendreGaussIntegrator.java
+++ b/src/main/java/org/apache/commons/math3/analysis/integration/IterativeLegendreGaussIntegrator.java
@@ -32,6 +32,14 @@ import org.apache.commons.math3.util.FastMath;
  * sub-interval and on each of them performs a
  * <a href="http://mathworld.wolfram.com/Legendre-GaussQuadrature.html">
  * Legendre-Gauss</a> quadrature.
+ * Because of its <em>non-adaptive</em> nature, this algorithm can
+ * converge to a wrong value for the integral (for example, if the
+ * function is significantly different from zero toward the ends of the
+ * integration interval).
+ * In particular, a change of variables aimed at estimating integrals
+ * over infinite intervals as proposed
+ * <a href="http://en.wikipedia.org/w/index.php?title=Numerical_integration#Integrals_over_infinite_intervals">
+ *  here</a> should be avoided when using this class.
  *
  * @version $Id$
  * @since 3.1