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-rw-r--r--matlab/mex/astra_mex_data3d_c.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/matlab/mex/astra_mex_data3d_c.cpp b/matlab/mex/astra_mex_data3d_c.cpp
index dfb3003..8492695 100644
--- a/matlab/mex/astra_mex_data3d_c.cpp
+++ b/matlab/mex/astra_mex_data3d_c.cpp
@@ -277,6 +277,7 @@ extern "C" {
mxArray *mxCreateSharedDataCopy(const mxArray *pr);
bool mxUnshareArray(const mxArray *pr, const bool noDeepCopy);
mxArray *mxUnreference(const mxArray *pr);
+bool mxIsSharedArray(const mxArray *pr);
}
class CFloat32CustomMemoryMatlab3D : public CFloat32CustomMemory {
@@ -287,6 +288,9 @@ public:
//fprintf(stderr, "Passed:\narray: %p\tdata: %p\n", (void*)_pArray, (void*)mxGetData(_pArray));
// First unshare the input array, so that we may modify it.
if (bUnshare) {
+ if (mxIsSharedArray(_pArray)) {
+ fprintf(stderr, "Performance note: unsharing shared array in link\n");
+ }
mxUnshareArray(_pArray, false);
//fprintf(stderr, "Unshared:\narray: %p\tdata: %p\n", (void*)_pArray, (void*)mxGetData(_pArray));
}