From 41b9419d94f8c162d81b53a51b29e4853299bc2d Mon Sep 17 00:00:00 2001
From: theos <theo.steininger@ultimanet.de>
Date: Tue, 25 Oct 2016 03:07:47 +0200
Subject: [PATCH] Remove side-effect on x0 in QuasiNewtonMinimizer.
---
nifty/minimization/quasi_newton_minimizer.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/nifty/minimization/quasi_newton_minimizer.py b/nifty/minimization/quasi_newton_minimizer.py
index 969154249..d413c6865 100644
--- a/nifty/minimization/quasi_newton_minimizer.py
+++ b/nifty/minimization/quasi_newton_minimizer.py
@@ -56,7 +56,7 @@ class QuasiNewtonMinimizer(object, Loggable):
"""
- x = x0
+ x = x0.copy()
self.line_searcher.set_functions(f=f, fprime=fprime, f_args=f_args)
convergence = 0
--
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