From c2bc3de94ebaec37cdafcb3d5bc2dd6dc14e1048 Mon Sep 17 00:00:00 2001
From: Trammell Hudson <hudson@osresearch.net>
Date: Sun, 15 Feb 2015 14:59:45 -0500
Subject: [PATCH] move sign into v3.h

---
 v3.h        | 13 +++++++++++++
 wireframe.c | 13 -------------
 2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/v3.h b/v3.h
index 94ab428..8e5b485 100644
--- a/v3.h
+++ b/v3.h
@@ -12,6 +12,19 @@
 #define 	M_PI   3.1415926535897932384
 #endif
 
+static inline float
+sign(
+	const float x
+)
+{
+	if (x < 0)
+		return -1;
+	if (x > 0)
+		return +1;
+	return 0;
+}
+
+
 
 typedef struct
 {
diff --git a/wireframe.c b/wireframe.c
index 8ac648f..13559ea 100644
--- a/wireframe.c
+++ b/wireframe.c
@@ -140,19 +140,6 @@ coplanar_check(
 }
 
 
-static inline float
-sign(
-	const float x
-)
-{
-	if (x < 0)
-		return -1;
-	if (x > 0)
-		return +1;
-	return 0;
-}
-
-
 
 /**
  * Add a vector to the list of edges if it is not already present