@@ -0,0 +1,13 @@
+// +build go1.10
+
+package sdkmath
+
+import "math"
+
+func Round(x float64) float64 {
+	return math.Round(x)
+}
+
+func Modf(f float64) (int float64, frac float64) {
+	return math.Modf(f)
+}
Modf probably doesn't need to be here. Older versions of Go have this.