From d9f4f5116c895363fc777f98e5db5dbb39d42387 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Wed, 17 Jun 2015 03:05:16 +1000
Subject: [PATCH] n/basis: remove superfluous abs

---
 noise/basis/perlin.ipp | 2 +-
 noise/basis/value.ipp  | 2 +-
 noise/basis/worley.ipp | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/noise/basis/perlin.ipp b/noise/basis/perlin.ipp
index f2a0fd09..9117007c 100644
--- a/noise/basis/perlin.ipp
+++ b/noise/basis/perlin.ipp
@@ -69,7 +69,7 @@ namespace util { namespace noise { namespace basis {
         auto p_int = p.template cast<intmax_t> ();
         if (p.x < 0) p_int.x -= 1;
         if (p.y < 0) p_int.y -= 1;
-        auto p_rem = abs (p - p_int);
+        auto p_rem = p - p_int;
 
         // generate the corner positions
         auto p0 = p_int + util::vector<2,intmax_t> { 0, 0 };
diff --git a/noise/basis/value.ipp b/noise/basis/value.ipp
index 122b0404..ccdc2c3e 100644
--- a/noise/basis/value.ipp
+++ b/noise/basis/value.ipp
@@ -66,7 +66,7 @@ namespace util { namespace noise { namespace basis {
         auto p_int = p.template cast<intmax_t> ();
         if (p.x < 0) p_int.x -= 1;
         if (p.y < 0) p_int.y -= 1;
-        auto p_rem = abs (p - p_int);
+        auto p_rem = p - p_int;
 
         // generate the corner points
         auto p0 = p_int + util::vector<2,intmax_t> { 0, 0 };
diff --git a/noise/basis/worley.ipp b/noise/basis/worley.ipp
index d9956049..28bcb649 100644
--- a/noise/basis/worley.ipp
+++ b/noise/basis/worley.ipp
@@ -69,7 +69,7 @@ namespace util { namespace noise { namespace basis {
         auto p_int = p.template cast<intmax_t> ();
         if (p.x < 0) p_int.x -= 1;
         if (p.y < 0) p_int.y -= 1;
-        auto p_rem = abs (p - p_int).template as<point> ();
+        auto p_rem = (p - p_int).template as<point> ();
 
         // setup an array of distances
         constexpr size_t RADIUS = 1;