From c734c1b30fd1c58a0d42020859be31d89b92bcd0 Mon Sep 17 00:00:00 2001
From: Sébastien Dailly <sebastien@chimrod.com>
Date: Sat, 9 Jan 2021 11:35:02 +0100
Subject: Moved tools library inside the shapes one

---
 shapes/tools/utils.mli | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 shapes/tools/utils.mli

(limited to 'shapes/tools/utils.mli')

diff --git a/shapes/tools/utils.mli b/shapes/tools/utils.mli
new file mode 100755
index 0000000..4e12906
--- /dev/null
+++ b/shapes/tools/utils.mli
@@ -0,0 +1,21 @@
+(** Return a normalize angle *)
+val norm_angle 
+  : Gg.v2 -> float
+
+(** return the interesction for two segments *)
+val intersection
+  : (Gg.v2 * Gg.v2) -> (Gg.v2 * Gg.v2) -> Gg.v2 option
+
+(** Return the center of the cercle for three points  
+    None if the point cannot be evaluated
+*)
+val center
+  : Gg.v2 -> Gg.v2 -> Gg.v2 -> Gg.v2 option
+
+(** Rotate the vector by the given angle *)
+val rotate
+  : Gg.v2 -> float -> Gg.v2
+
+(** Test equality between two points *)
+val equal_point
+  : float -> Gg.v2 -> Gg.v2 -> bool
-- 
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