Reorganize project folders (#6)

library/src/utility/host_tensor.cpp

@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
+
+#include <cassert>
+
+#include "ck/library/utility/host_tensor.hpp"
+
+void HostTensorDescriptor::CalculateStrides()
+{
+    mStrides.clear();
+    mStrides.resize(mLens.size(), 0);
+    if(mStrides.empty())
+        return;
+
+    mStrides.back() = 1;
+    std::partial_sum(
+        mLens.rbegin(), mLens.rend() - 1, mStrides.rbegin() + 1, std::multiplies<std::size_t>());
+}
+
+std::size_t HostTensorDescriptor::GetNumOfDimension() const { return mLens.size(); }
+
+std::size_t HostTensorDescriptor::GetElementSize() const
+{
+    assert(mLens.size() == mStrides.size());
+    return std::accumulate(
+        mLens.begin(), mLens.end(), std::size_t{1}, std::multiplies<std::size_t>());
+}
+
+std::size_t HostTensorDescriptor::GetElementSpaceSize() const
+{
+    std::size_t space = 1;
+    for(std::size_t i = 0; i < mLens.size(); ++i)
+    {
+        if(mLens[i] == 0)
+            continue;
+
+        space += (mLens[i] - 1) * mStrides[i];
+    }
+    return space;
+}
+
+const std::vector<std::size_t>& HostTensorDescriptor::GetLengths() const { return mLens; }
+
+const std::vector<std::size_t>& HostTensorDescriptor::GetStrides() const { return mStrides; }
+
+std::ostream& operator<<(std::ostream& os, const HostTensorDescriptor& desc)
+{
+    os << "dim " << desc.GetNumOfDimension() << ", ";
+
+    os << "lengths {";
+    LogRange(os, desc.GetLengths(), ", ");
+    os << "}, ";
+
+    os << "strides {";
+    LogRange(os, desc.GetStrides(), ", ");
+    os << "}";
+
+    return os;
+}