1 files changed, 141 insertions, 0 deletions
diff --git a/compute_kernel_writer/src/types/ConstantData.cpp b/compute_kernel_writer/src/types/ConstantData.cpp
new file mode 100644
index 0000000000..6d15eab407
--- /dev/null
+++ b/compute_kernel_writer/src/types/ConstantData.cpp
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2023 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "ckw/types/ConstantData.h"
+
+#include <limits>
+
+namespace ckw
+{
+namespace
+{
+template <typename T>
+typename std::enable_if<std::is_same<T, float>::value, std::string>::type to_str(T value)
+{
+    std::stringstream ss;
+    ss << std::scientific << std::setprecision(std::numeric_limits<T>::max_digits10) << value;
+    return ss.str();
+}
+
+template <typename T>
+typename std::enable_if<!std::is_same<T, float>::value && !std::is_same<T, bool>::value, std::string>::type
+to_str(T value)
+{
+    return std::to_string(value);
+}
+
+template <typename T>
+typename std::enable_if<std::is_same<T, bool>::value, std::string>::type to_str(T value)
+{
+    return std::to_string((int)value);
+}
+} // namespace
+
+template <typename T>
+ConstantData::ConstantData(std::initializer_list<std::initializer_list<T>> values, DataType data_type)
+    : _data_type(data_type)
+{
+    CKW_ASSERT(validate<T>(data_type));
+    CKW_ASSERT(values.size() > 0);
+
+    for (auto value_arr : values)
+    {
+        // Each row must have the same number of elements
+        CKW_ASSERT(value_arr.size() == (*values.begin()).size());
+
+        StringVector vec;
+        std::transform(value_arr.begin(), value_arr.end(), std::back_inserter(vec), [](T val) { return to_str(val); });
+
+        _values.push_back(std::move(vec));
+    }
+}
+
+template <typename T>
+ConstantData::ConstantData(const std::vector<std::vector<T>> &values, DataType data_type) : _data_type(data_type)
+{
+    CKW_ASSERT(validate<T>(data_type));
+    CKW_ASSERT(values.size() > 0);
+
+    for (auto value_arr : values)
+    {
+        // Each row must have the same number of elements
+        CKW_ASSERT(value_arr.size() == (*values.begin()).size());
+
+        StringVector vec;
+        std::transform(value_arr.begin(), value_arr.end(), std::back_inserter(vec), [](T val) { return to_str(val); });
+
+        _values.push_back(std::move(vec));
+    }
+}
+
+template <typename T>
+bool ConstantData::validate(DataType data_type)
+{
+    switch (data_type)
+    {
+        case DataType::Fp32:
+        case DataType::Fp16:
+            return std::is_same<T, float>::value;
+        case DataType::Bool:
+            return std::is_same<T, bool>::value;
+        case DataType::Int32:
+        case DataType::Int16:
+        case DataType::Int8:
+            return std::is_same<T, int32_t>::value;
+        case DataType::Uint32:
+        case DataType::Uint16:
+        case DataType::Uint8:
+            return std::is_same<T, uint32_t>::value;
+        default:
+            CKW_THROW_MSG("Unknown data type!");
+            break;
+    }
+}
+
+// Necessary instantiations for compiler to recognize
+template ConstantData::ConstantData(std::initializer_list<std::initializer_list<int32_t>>, DataType);
+template ConstantData::ConstantData(std::initializer_list<std::initializer_list<uint32_t>>, DataType);
+template ConstantData::ConstantData(std::initializer_list<std::initializer_list<bool>>, DataType);
+template ConstantData::ConstantData(std::initializer_list<std::initializer_list<float>>, DataType);
+template ConstantData::ConstantData(const std::vector<std::vector<int32_t>> &, DataType);
+template ConstantData::ConstantData(const std::vector<std::vector<uint32_t>> &, DataType);
+template ConstantData::ConstantData(const std::vector<std::vector<bool>> &, DataType);
+template ConstantData::ConstantData(const std::vector<std::vector<float>> &, DataType);
+
+template bool ConstantData::validate<int32_t>(DataType);
+template bool ConstantData::validate<uint32_t>(DataType);
+template bool ConstantData::validate<bool>(DataType);
+template bool ConstantData::validate<float>(DataType);
+
+const std::vector<std::vector<std::string>> &ConstantData::values() const
+{
+    return _values;
+}
+
+DataType ConstantData::data_type() const
+{
+    return _data_type;
+}
+
+} // namespace ckw