Merge pull request #83 from bavay/master

Fix for ceil/floor on MSVC

tinyexpr.c

@@ -151,6 +151,11 @@ static double ncr(double n, double r) {
 }
 static double npr(double n, double r) {return ncr(n, r) * fac(r);}
 
+#ifdef _MSC_VER
+#pragma function (ceil)
+#pragma function (floor)
+#endif
+
 static const te_variable functions[] = {
     /* must be in alphabetical order */
     {"abs", fabs,     TE_FUNCTION1 | TE_FLAG_PURE, 0},