1 files changed, 15 insertions, 0 deletions
diff --git a/src/lq/Doubles.java b/src/lq/Doubles.java
new file mode 100644
index 0000000..551e65a
--- /dev/null
+++ b/src/lq/Doubles.java
@@ -0,0 +1,15 @@
+package lq;
+
+public class Doubles {
+    public static final int signum(Double d) {
+        if (d < 0.0) {
+            return -1;
+        }
+        else if (d > 0.0) {
+            return 1;
+        }
+        else {
+            return 0;
+        }
+    }
+}