added get_copy_call.py to utils

Author: alexandriai168

build/utils/get_copy_call.py

@@ -0,0 +1,22 @@
+def get_copy_call(a):
+    """
+    Heler Function - Determine copy call for a value.
+    """
+
+    if a is None:
+        return float('nan')
+
+    if math.isnan(a):
+        return float('nan')
+
+    a_val = math.log2(float(a)+0.000001)
+    if a_val < 0.5210507:
+        return 'deep del'
+    elif a_val < 0.7311832:
+        return 'het loss'
+    elif a_val < 1.214125:
+        return 'diploid'
+    elif a_val < 1.422233:
+        return 'gain'
+    else:
+        return 'amp'