diff --git a/ttmath/ttmath.h b/ttmath/ttmath.h
index 2d64dc2..8375683 100644
--- a/ttmath/ttmath.h
+++ b/ttmath/ttmath.h
@@ -46,10 +46,12 @@
 */
 
 #ifdef _MSC_VER
-#pragma warning( disable: 4127 )
 //warning C4127: conditional expression is constant
-#pragma warning( disable: 4702 )
+#pragma warning( disable: 4127 )
 //warning C4702: unreachable code
+#pragma warning( disable: 4702 )
+//warning C4800: forcing value to bool 'true' or 'false' (performance warning)
+#pragma warning( disable: 4800 )
 #endif
 
 
@@ -2822,10 +2824,12 @@ namespace ttmath
 
 
 #ifdef _MSC_VER
-#pragma warning( default: 4127 )
 //warning C4127: conditional expression is constant
-#pragma warning( disable: 4702 )
+#pragma warning( default: 4127 )
 //warning C4702: unreachable code
+#pragma warning( default: 4702 )
+//warning C4800: forcing value to bool 'true' or 'false' (performance warning)
+#pragma warning( default: 4800 )
 #endif
 
 #endif
diff --git a/ttmath/ttmathbig.h b/ttmath/ttmathbig.h
index 819cae1..1a6fb19 100644
--- a/ttmath/ttmathbig.h
+++ b/ttmath/ttmathbig.h
@@ -3401,17 +3401,17 @@ private:
 															Int<exp+1> & new_exp,
 															uint bits) const
 	{
-		int move;							// how many times move the mantissa
+		sint move;							// how many times move the mantissa
 		UInt<man+1> man_temp(mantissa);		// man+1 for moving
 		new_exp = exponent;
-		new_exp.DivInt((int)bits, move);
+		new_exp.DivInt((sint)bits, move);
 
 		if( move != 0 )
 		{
 			// we're moving the man_temp to left-hand side
 			if( move < 0 )
 			{
-				move = bits + move;
+				move = sint(bits) + move;
 				new_exp.SubOne();			// when move is < than 0 then new_exp is < 0 too
 			}
 
diff --git a/ttmath/ttmathint.h b/ttmath/ttmathint.h
index 4d2fe61..78b86e9 100644
--- a/ttmath/ttmathint.h
+++ b/ttmath/ttmathint.h
@@ -482,7 +482,7 @@ public:
 
 		in other words: this(old) = ss2 * this(new)(result) + remainder
 	*/
-	uint DivInt(int ss2, int * remainder = 0)
+	uint DivInt(sint ss2, sint * remainder = 0)
 	{
 	bool ss1_is_sign, ss2_is_sign;
 
@@ -512,16 +512,16 @@ public:
 		if( remainder )
 		{
 			if( ss1_is_sign )
-				*remainder = -int(rem);
+				*remainder = -sint(rem);
 			else
-				*remainder = int(rem);
+				*remainder = sint(rem);
 		}
 
 	return c;
 	}
 
 
-	uint DivInt(int ss2, int & remainder)
+	uint DivInt(sint ss2, sint & remainder)
 	{
 		return DivInt(ss2, &remainder);
 	}
diff --git a/ttmath/ttmathtypes.h b/ttmath/ttmathtypes.h
index 58817e9..c497c58 100644
--- a/ttmath/ttmathtypes.h
+++ b/ttmath/ttmathtypes.h
@@ -356,10 +356,10 @@ namespace ttmath
 			default: true
 
 			e.g.
-			Conv c;
-			c.base_round = false;
-			Big<1, 1> a = "0.1";                       // decimal input
-			std::cout << a.ToString(c) << std::endl;   // the result is: 0.099999999
+			Conv c;
+			c.base_round = false;
+			Big<1, 1> a = "0.1";                       // decimal input
+			std::cout << a.ToString(c) << std::endl;   // the result is: 0.099999999
 		*/
 		bool base_round;