From b1a9f4fac1f53f1e22a7a57cde5d495a37dafe31 Mon Sep 17 00:00:00 2001
From: Philipp Arras <parras@mpa-garching.mpg.de>
Date: Wed, 22 Apr 2020 15:54:30 +0200
Subject: [PATCH] Make quadratic energy real
---
nifty6/minimization/quadratic_energy.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/nifty6/minimization/quadratic_energy.py b/nifty6/minimization/quadratic_energy.py
index 7911910b1..f921caa30 100644
--- a/nifty6/minimization/quadratic_energy.py
+++ b/nifty6/minimization/quadratic_energy.py
@@ -34,9 +34,9 @@ class QuadraticEnergy(Energy):
else:
Ax = self._A(self._position)
self._grad = Ax if b is None else Ax - b
- self._value = 0.5*self._position.s_vdot(Ax)
+ self._value = 0.5*self._position.s_vdot(Ax).real
if b is not None:
- self._value -= b.s_vdot(self._position)
+ self._value -= b.s_vdot(self._position).real
def at(self, position):
return QuadraticEnergy(position, self._A, self._b)
--
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