From 3f68627209d6624efc714aea5a3bc8eede5abcf0 Mon Sep 17 00:00:00 2001
From: Luc Maisonobe <luc@apache.org>
Date: Tue, 3 Nov 2015 10:45:35 +0100
Subject: [PATCH] Avoid a false positive findbugs warning.

Findbugs is confused by constant 1.570796251296997 which is a
intentionally slightly offset from PI/2 as per Cody Waite arguments
reduction.
---
 findbugs-exclude-filter.xml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/findbugs-exclude-filter.xml b/findbugs-exclude-filter.xml
index b4e8f08bf..86d0087f6 100644
--- a/findbugs-exclude-filter.xml
+++ b/findbugs-exclude-filter.xml
@@ -142,6 +142,14 @@
     <Bug pattern="CNT_ROUGH_CONSTANT_VALUE" />
   </Match>
 
+  <!-- Spurious: Findbugs confused by constant 1.570796251296997 which is a
+       intentionally slightly offset from PI/2 as per Cody Waite arguments reduction -->
+  <Match>
+    <Class name="org.apache.commons.math4.util.FastMath$CodyWaite" />
+    <Method name="&lt;init>" params="double" returns="void" />
+    <Bug pattern="CNT_ROUGH_CONSTANT_VALUE" />
+  </Match>
+
   <!-- the following expositions of internal representation are intentional and documented -->
   <Match>
     <Class name="org.apache.commons.math4.stat.regression.RegressionResults"/>