From b49a71a402e523a3559273a441447d3340c6e95a Mon Sep 17 00:00:00 2001
From: Henry Weller <http://cfd.direct>
Date: Tue, 22 Mar 2016 10:35:13 +0000
Subject: [PATCH] zero: Added support for initializing bool

---
 src/OpenFOAM/primitives/zero/zero.H | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/OpenFOAM/primitives/zero/zero.H b/src/OpenFOAM/primitives/zero/zero.H
index 8c2f6fb37..1bd5f4380 100644
--- a/src/OpenFOAM/primitives/zero/zero.H
+++ b/src/OpenFOAM/primitives/zero/zero.H
@@ -54,6 +54,12 @@ public:
     zero()
     {}
 
+    //- Return 0 for bool
+    inline operator bool() const
+    {
+        return 0;
+    }
+
     //- Return 0 for label
     inline operator label() const
     {