--- /dev/null
+diff --git a/tinyexpr.c b/tinyexpr.c
+index 90ed8fc..570f2fd 100755
+--- a/tinyexpr.c
++++ b/tinyexpr.c
+@@ -49,6 +49,11 @@ For log = natural log uncomment the next line. */
+ #define INFINITY (1.0/0.0)
+ #endif
+
++/* https://github.com/codeplea/tinyexpr/issues/34 */
++#ifdef _MSC_VER
++#pragma function(ceil)
++#pragma function(floor)
++#endif
+
+ typedef double (*te_fun2)(double, double);
+