From 94c38417c195ad9c990c5b9d3bae428421ac5e1c Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 23 Feb 2014 18:41:36 +0000
Subject: [PATCH] funcs.scad.cpp: provide angle_map_range

---
 funcs.scad.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/funcs.scad.cpp b/funcs.scad.cpp
index 007ac45..7bcd414 100644
--- a/funcs.scad.cpp
+++ b/funcs.scad.cpp
@@ -31,3 +31,7 @@ function tangents_intersect_beta(cbig,rbig,csmall,rsmall) =
 
 function reflect_in_y(p) = [-p[0], p[1]];
 
+function angle_map_range(in,base) =
+  in <  base       ? in + 360 :
+  in >= base + 360 ? in - 360 :
+  in;
-- 
2.30.2