diff --git a/modules/gpu/src/cuda/element_operations.cu b/modules/gpu/src/cuda/element_operations.cu
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/modules/gpu/src/cuda/matrix_reductions.cu b/modules/gpu/src/cuda/matrix_reductions.cu
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/modules/gpu/src/cuda/constantspacebp.cu b/modules/gpu/src/cuda/stereocsbp.cu
similarity index 100%
rename from modules/gpu/src/cuda/constantspacebp.cu
rename to modules/gpu/src/cuda/stereocsbp.cu
diff --git a/modules/gpu/src/element_operations.cpp b/modules/gpu/src/element_operations.cpp
new file mode 100644
index 0000000000..ea3f832300
--- /dev/null
+++ b/modules/gpu/src/element_operations.cpp
@@ -0,0 +1,16 @@
+
+
+
+
+
+
+//////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////  Unary per-element operations /////////////////////////////////////////
+// operation(GpuMat src, GpuMat dst)
+
+
+
+
+//////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////  Binary per-element operations ////////////////////////////////////////
+// operation(GpuMat src1, GpuMat src2, GpuMat dst)
diff --git a/modules/gpu/src/matrix_reductions.cpp b/modules/gpu/src/matrix_reductions.cpp
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/modules/gpu/src/constantspacebp.cpp b/modules/gpu/src/stereocsbp.cpp
similarity index 100%
rename from modules/gpu/src/constantspacebp.cpp
rename to modules/gpu/src/stereocsbp.cpp