From 76d182ace088b7ab6d64019079c049a0f9a29e69 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>
Date: Wed, 6 Jan 2016 16:40:26 +0100
Subject: Change python set_gpu_index to match

---
 python/astra/astra_c.pyx | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

(limited to 'python/astra/astra_c.pyx')

diff --git a/python/astra/astra_c.pyx b/python/astra/astra_c.pyx
index 6b246b6..2a9c816 100644
--- a/python/astra/astra_c.pyx
+++ b/python/astra/astra_c.pyx
@@ -31,6 +31,7 @@ import six
 from .utils import wrap_from_bytes
 
 from libcpp.string cimport string
+from libcpp.vector cimport vector
 from libcpp cimport bool
 cdef extern from "astra/Globals.h" namespace "astra":
     int getVersion()
@@ -43,6 +44,12 @@ IF HAVE_CUDA==True:
 ELSE:
   def setGPUIndex():
     pass
+cdef extern from "astra/CompositeGeometryManager.h" namespace "astra":
+    cdef cppclass SGPUParams:
+        vector[int] GPUIndices
+        size_t memory
+cdef extern from "astra/CompositeGeometryManager.h" namespace "astra::CCompositeGeometryManager":
+    void setGlobalGPUParams(SGPUParams&)
 
 def credits():
     six.print_("""The ASTRA Toolbox has been developed at the University of Antwerp and CWI, Amsterdam by
@@ -70,8 +77,16 @@ def version(printToScreen=False):
     else:
         return getVersion()
 
-def set_gpu_index(idx):
+def set_gpu_index(idx, memory=0):
+    import types
+    import collections
+    cdef SGPUParams params
     if use_cuda()==True:
-        ret = setGPUIndex(idx)
+        if not isinstance(idx, collections.Iterable) or isinstance(idx, types.StringTypes):
+            idx = (idx,)
+        params.memory = memory
+        params.GPUIndices = idx
+        setGlobalGPUParams(params)
+        ret = setGPUIndex(params.GPUIndices[0])
         if not ret:
-            six.print_("Failed to set GPU " + str(idx))
+            six.print_("Failed to set GPU " + str(params.GPUIndices[0]))
-- 
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