Cache toInt() and toLong() results in Decimal$Regular

src/main/kotlin/ru/dbotthepony/mc/otm/core/math/Decimal.kt

@@ -240,24 +240,40 @@ sealed class Decimal : Number(), Comparable<Decimal> {
 			return mag.signum()
 		}
 
+		private var intCache = 0
+		private var intComputed = false
+
 		override fun toInt(): Int {
-			return if (whole > BI_INT_MAX) {
-				Int.MAX_VALUE
-			} else if (whole < BI_INT_MIN) {
-				Int.MIN_VALUE
-			} else {
-				whole.toInt()
+			if (!intComputed) {
+				intCache = if (whole > BI_INT_MAX) {
+					Int.MAX_VALUE
+				} else if (whole < BI_INT_MIN) {
+					Int.MIN_VALUE
+				} else {
+					whole.toInt()
+				}
+
+				intComputed = true
 			}
+
+			return intCache
 		}
 
+		private var longCache = 0L
+		private var longComputed = false
+
 		override fun toLong(): Long {
-			return if (whole > BI_LONG_MAX) {
-				Long.MAX_VALUE
-			} else if (whole < BI_LONG_MIN) {
-				Long.MIN_VALUE
-			} else {
-				whole.toLong()
+			if (!longComputed) {
+				longCache = if (whole > BI_LONG_MAX) {
+					Long.MAX_VALUE
+				} else if (whole < BI_LONG_MIN) {
+					Long.MIN_VALUE
+				} else {
+					whole.toLong()
+				}
 			}
+
+			return longCache
 		}
 
 		override fun compareTo(other: Decimal): Int  {