From 414f06df86c39b7b6c13ebed1282e47b455bed63 Mon Sep 17 00:00:00 2001
From: Revar Desmera <revarbat@gmail.com>
Date: Sat, 4 May 2019 20:19:35 -0700
Subject: [PATCH] Fixed scalar approx()

---
 math.scad | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/math.scad b/math.scad
index bcbbc59..6d188ee 100644
--- a/math.scad
+++ b/math.scad
@@ -65,7 +65,7 @@ function constrain(v, minval, maxval) = min(maxval, max(minval, v));
 //   a = First value.
 //   b = Second value.
 //   eps = The maximum allowed difference between `a` and `b` that will return true.
-function approx(a,b,eps=EPSILON) = let(c=a-b) (is_num(c)? c : norm(c)) <= eps;
+function approx(a,b,eps=EPSILON) = let(c=a-b) (is_num(c)? abs(c) : norm(c)) <= eps;
 
 
 // Function: min_index()