From c49821c55b45574cd7d5300ddd4a83f12fcaa7e0 Mon Sep 17 00:00:00 2001
From: Thomas Robitaille <thomas.robitaille@gmail.com>
Date: Mon, 27 Jul 2015 21:49:30 +0200
Subject: BUG: fixed regression in np.histogram which caused input
 floating-point values to be modified

---
 numpy/lib/function_base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'numpy/lib/function_base.py')

diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py
index 5a442240e..19040807b 100644
--- a/numpy/lib/function_base.py
+++ b/numpy/lib/function_base.py
@@ -232,7 +232,7 @@ def histogram(a, bins=10, range=None, normed=False, weights=None,
                 tmp_a = tmp_a[keep]
                 if tmp_w is not None:
                     tmp_w = tmp_w[keep]
-            tmp_a = np.array(tmp_a, dtype=float, copy=False)
+            tmp_a = tmp_a.astype(float)
             tmp_a -= mn
             tmp_a *= norm
 
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