From 31d341c0cb37bab7a4b4165d1389a68404ff0acd Mon Sep 17 00:00:00 2001
From: cgohlke <cgohlke@uci.edu>
Date: Tue, 22 May 2012 18:23:35 -0700
Subject: [PATCH] Fix uniform conversion to signed int

---
 skimage/util/dtype.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/skimage/util/dtype.py b/skimage/util/dtype.py
index 183a9cd2..ae1f80b7 100644
--- a/skimage/util/dtype.py
+++ b/skimage/util/dtype.py
@@ -169,10 +169,9 @@ def convert(image, dtype, force_copy=False, uniform=False):
             image *= np.iinfo(dtype).max + 1
             np.clip(image, 0, np.iinfo(dtype).max, out=image)
         else:
-            image += 1.0
             image *= (np.iinfo(dtype).max - np.iinfo(dtype).min + 1.0) / 2.0
+            np.floor(image, out=image)
             np.clip(image, np.iinfo(dtype).min, np.iinfo(dtype).max, out=image)
-            image -= np.iinfo(dtype).min
         return dtype(image)
 
     if kind == 'f':