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+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __NEURUN_MODEL_OPERATION_OPERAND_CONSTRAINT_H__
+#define __NEURUN_MODEL_OPERATION_OPERAND_CONSTRAINT_H__
+
+#include <stdint.h>
+#include <limits>
+#include <set>
+
+namespace neurun
+{
+namespace model
+{
+namespace operation
+{
+
+class OperandConstraint
+{
+private:
+ static const uint32_t INF = std::numeric_limits<uint32_t>::max();
+
+public:
+ static OperandConstraint createAny() { return OperandConstraint{0u, INF}; }
+ static OperandConstraint createExact(uint32_t exact) { return OperandConstraint{exact, exact}; }
+ static OperandConstraint createAtMost(uint32_t end) { return OperandConstraint{0u, end}; }
+ static OperandConstraint createAtLeast(uint32_t begin) { return OperandConstraint{begin, INF}; }
+ static OperandConstraint createInRange(uint32_t begin, uint32_t end)
+ {
+ return OperandConstraint{begin, end};
+ }
+
+private:
+ OperandConstraint(uint32_t begin, uint32_t end) : _begin{begin}, _end{end} {}
+
+public:
+ bool check(uint32_t ind) const { return _begin <= ind && ind <= _end; }
+
+private:
+ uint32_t _begin;
+ uint32_t _end;
+};
+
+} // namespace operation
+} // namespace model
+} // namespace neurun
+
+#endif // __NEURUN_MODEL_OPERATION_OPERAND_CONSTRAINT_H__