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-rw-r--r--utils/hacks/TreeGraphs/Graphics/Geometry/vec4.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/utils/hacks/TreeGraphs/Graphics/Geometry/vec4.py b/utils/hacks/TreeGraphs/Graphics/Geometry/vec4.py
index c0741bb3..398c5c51 100644
--- a/utils/hacks/TreeGraphs/Graphics/Geometry/vec4.py
+++ b/utils/hacks/TreeGraphs/Graphics/Geometry/vec4.py
@@ -1,3 +1,12 @@
+# ===-- vec4.py -----------------------------------------------------------===##
+#
+# The KLEE Symbolic Virtual Machine
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+# ===----------------------------------------------------------------------===##
+
from __future__ import division
from math import ceil,floor,sqrt
import vec3