From 709526bc3a42d0843b2cdd53782407a9f5c12bee Mon Sep 17 00:00:00 2001
From: Henry Weller <http://cfd.direct>
Date: Thu, 24 Mar 2016 23:04:53 +0000
Subject: [PATCH] Identity: Make cast-to-primitive operators explicit to avoid
 operator resolution ambiguities when compiling single-precision

---
 src/OpenFOAM/primitives/SphericalTensor/Identity.H | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/OpenFOAM/primitives/SphericalTensor/Identity.H b/src/OpenFOAM/primitives/SphericalTensor/Identity.H
index 0d645d8b91..aac5313532 100644
--- a/src/OpenFOAM/primitives/SphericalTensor/Identity.H
+++ b/src/OpenFOAM/primitives/SphericalTensor/Identity.H
@@ -77,13 +77,13 @@ public:
     }
 
     //- Return 1 for label
-    inline operator label() const
+    inline explicit operator label() const
     {
         return 1;
     }
 
     //- Return 1 for scalar
-    inline operator scalar() const
+    inline explicit operator scalar() const
     {
         return 1;
     }