From e89c69e109b11131d49950e59af192b556a2c425 Mon Sep 17 00:00:00 2001
From: Jens Renders <jens.renders@uantwerpen.be>
Date: Wed, 24 Mar 2021 22:44:51 +0100
Subject: Implemented _adjoint of OpTomo by equating it to _transpose

---
 python/astra/optomo.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'python/astra')

diff --git a/python/astra/optomo.py b/python/astra/optomo.py
index ff67791..5ecff8f 100644
--- a/python/astra/optomo.py
+++ b/python/astra/optomo.py
@@ -95,6 +95,9 @@ class OpTomo(scipy.sparse.linalg.LinearOperator):
     def _transpose(self):
         return self.transposeOpTomo
 
+    # real operator
+    _adjoint = _transpose
+
     def __checkArray(self, arr, shp):
         if len(arr.shape)==1:
             arr = arr.reshape(shp)
@@ -249,6 +252,9 @@ class OpTomoTranspose(scipy.sparse.linalg.LinearOperator):
     def _transpose(self):
         return self.parent
 
+    # real operator
+    _adjoint = _transpose
+
     def __mul__(self,s):
         # Catch the case of a backprojection of 2D/3D data
         if isinstance(s, np.ndarray) and s.shape==self.parent.sshape:
-- 
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