Mantis#1755. Thank you kindly, Matth for a patch that solves:

When using math operators +,-,*,/ in an LSL script with an LSLFloat 
and an integer literal the wrong result is returned. This patch 
adds operators to the LSLFloat type to handle this case.

1 files changed, 2 insertions, 2 deletions

diff --git a/OpenSim/Tests/OpenSim/Region/ScriptEngine/Common/LSL_TypesTestLSLFloat.cs b/OpenSim/Tests/OpenSim/Region/ScriptEngine/Common/LSL_TypesTestLSLFloat.cs
index 29d0e1c..130c0ec 100644
--- a/OpenSim/Tests/OpenSim/Region/ScriptEngine/Common/LSL_TypesTestLSLFloat.cs
+++ b/OpenSim/Tests/OpenSim/Region/ScriptEngine/Common/LSL_TypesTestLSLFloat.cs
@@ -133,7 +133,7 @@ namespace OpenSim.Region.ScriptEngine.Common.Tests
 
             foreach (KeyValuePair<double, int> number in numberSet)
             {
-                testNumber = new LSL_Types.LSLFloat(number.Key);
+                testNumber = (int)(new LSL_Types.LSLFloat(number.Key));
                 Assert.AreEqual(number.Value, testNumber, "Converting double " + number.Key + ", expecting int " + number.Value);
             }
         }
@@ -170,7 +170,7 @@ namespace OpenSim.Region.ScriptEngine.Common.Tests
 
             foreach (KeyValuePair<double, int> number in numberSet)
             {
-                testNumber = new LSL_Types.LSLFloat(number.Key);
+                testNumber = (uint)(new LSL_Types.LSLFloat(number.Key));
                 Assert.AreEqual(number.Value, testNumber, "Converting double " + number.Key + ", expecting uint " + number.Value);
             }
         }