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-rw-r--r--matlab/mex/mexCopyDataHelpFunctions.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/matlab/mex/mexCopyDataHelpFunctions.cpp b/matlab/mex/mexCopyDataHelpFunctions.cpp
index 80fb834..4db6abd 100644
--- a/matlab/mex/mexCopyDataHelpFunctions.cpp
+++ b/matlab/mex/mexCopyDataHelpFunctions.cpp
@@ -263,7 +263,7 @@ copyMexToCFloat32Array(const mxArray * const in,
#pragma omp parallel
{
// fill with scalar value
- if (mexIsScalar(in)) {
+ if (mexIsScalar(in) || mxIsEmpty(in)) {
astra::float32 fValue = 0.f;
if (!mxIsEmpty(in)) {
fValue = (astra::float32)mxGetScalar(in);