From 0950b977754c07b7ee2404512a36d624413cc31f Mon Sep 17 00:00:00 2001
From: maxcorsini <massimiliano.corsini@isti.cnr.it>
Date: Tue, 4 Feb 2014 16:09:36 +0000
Subject: [PATCH] invalid output range - fixed

---
 vcg/math/perlin_noise.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vcg/math/perlin_noise.h b/vcg/math/perlin_noise.h
index 0cca49f3..4f33d8a7 100644
--- a/vcg/math/perlin_noise.h
+++ b/vcg/math/perlin_noise.h
@@ -37,7 +37,7 @@ class Perlin
 public:
 
   /// 3D Perlin noise
-  /// return a value in the 0..1 range with period 255
+  /// return a value in the -1..1 range with period 255
    static double Noise(double x, double y, double z) {
       int X = (int)floor(x) & 255,                  // FIND UNIT CUBE THAT
           Y = (int)floor(y) & 255,                  // CONTAINS POINT.