#ticket 1513 added fmod() support

lib/checkother.cpp

@@ -2570,6 +2570,13 @@ void CheckOther::checkMathFunctions()
         {
             mathfunctionCallError(tok,2);
         }
+		// fmod ( x , y) If y is zero, then either a range error will occur or the function will return zero (implementation-defined). 
+        else if (Token::Match(tok, "fmod ( %num% , %num% )") &&
+				 MathLib::isNullValue(tok->tokAt(4)->str()))
+        {
+            mathfunctionCallError(tok,2);
+        }
+
     }
 }
 

test/testother.cpp

@@ -2306,6 +2306,12 @@ private:
               "}");
         ASSERT_EQUALS("[test.cpp:3]: (error) Passing value 0 and 0 to atan2() leads to undefined result\n", errout.str());
 
+        check("void foo()\n"
+              "{\n"
+              "    std::cout <<  fmod(1.0,0) << std::endl;\n"
+              "}");
+        ASSERT_EQUALS("[test.cpp:3]: (error) Passing value 1.0 and 0 to fmod() leads to undefined result\n", errout.str());
+
 
     }
 };