1 files changed, 32 insertions, 0 deletions
diff --git a/src/main/kotlin/io/dico/parcels2/util/ext/Math.kt b/src/main/kotlin/io/dico/parcels2/util/ext/Math.kt
new file mode 100644
index 0000000..32540fd
--- /dev/null
+++ b/src/main/kotlin/io/dico/parcels2/util/ext/Math.kt
@@ -0,0 +1,32 @@
+package io.dico.parcels2.util.ext
+
+fun Double.floor(): Int {
+    val down = toInt()
+    if (down.toDouble() != this && (java.lang.Double.doubleToRawLongBits(this).ushr(63).toInt()) == 1) {
+        return down - 1
+    }
+    return down
+}
+
+infix fun Int.umod(divisor: Int): Int {
+    val out = this % divisor
+    if (out < 0) {
+        return out + divisor
+    }
+    return out
+}
+
+val Int.even: Boolean get() = and(1) == 0
+
+fun IntRange.clamp(min: Int, max: Int): IntRange {
+    if (first < min) {
+        if (last > max) {
+            return IntRange(min, max)
+        }
+        return IntRange(min, last)
+    }
+    if (last > max) {
+        return IntRange(first, max)
+    }
+    return this
+}
+\ No newline at end of file