Merging upstream version 1.44.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/ml/dlib/dlib/dnn/cuda_data_ptr.cpp b/ml/dlib/dlib/dnn/cuda_data_ptr.cpp
new file mode 100644
index 000000000..8abce0695
--- /dev/null
+++ b/ml/dlib/dlib/dnn/cuda_data_ptr.cpp
@@ -0,0 +1,71 @@
+// Copyright (C) 2017  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+#ifndef DLIB_DNN_CuDA_DATA_PTR_CPP_
+#define DLIB_DNN_CuDA_DATA_PTR_CPP_
+
+#ifdef DLIB_USE_CUDA
+
+#include "cuda_data_ptr.h"
+#include "cuda_utils.h"
+
+namespace dlib
+{
+    namespace cuda 
+    {
+
+    // -----------------------------------------------------------------------------------
+
+        cuda_data_void_ptr::
+        cuda_data_void_ptr(
+            size_t n
+        ) : num(n)
+        {
+            if (n == 0)
+                return;
+
+            void* data = nullptr;
+
+            CHECK_CUDA(cudaMalloc(&data, n));
+            pdata.reset(data, [](void* ptr){
+                auto err = cudaFree(ptr);
+                if(err!=cudaSuccess)
+                std::cerr << "cudaFree() failed. Reason: " << cudaGetErrorString(err) << std::endl;
+            });
+        }
+
+    // ------------------------------------------------------------------------------------
+
+        void memcpy(
+            void* dest,
+            const cuda_data_void_ptr& src
+        )
+        {
+            if (src.size() != 0)
+            {
+                CHECK_CUDA(cudaMemcpy(dest, src.data(),  src.size(), cudaMemcpyDefault));
+            }
+        }
+
+    // ------------------------------------------------------------------------------------
+
+        void memcpy(
+            cuda_data_void_ptr& dest, 
+            const void* src
+        )
+        {
+            if (dest.size() != 0)
+            {
+                CHECK_CUDA(cudaMemcpy(dest.data(), src, dest.size(), cudaMemcpyDefault));
+            }
+        }
+
+    // ------------------------------------------------------------------------------------
+
+    }  
+}
+
+#endif // DLIB_USE_CUDA
+
+#endif // DLIB_DNN_CuDA_DATA_PTR_CPP_
+
+