feat: add polar base (#378)

Author: voltjia

src/base/polar.h

@@ -0,0 +1,49 @@
+#ifndef INFINI_OPS_BASE_POLAR_H_
+#define INFINI_OPS_BASE_POLAR_H_
+
+#include "operator.h"
+
+namespace infini::ops {
+
+class Polar : public Operator<Polar> {
+ public:
+  Polar(const Tensor abs, const Tensor angle, Tensor out)
+      : abs_shape_{abs.shape()},
+        abs_strides_{abs.strides()},
+        abs_type_{abs.dtype()},
+        angle_shape_{angle.shape()},
+        angle_strides_{angle.strides()},
+        angle_type_{angle.dtype()},
+        out_shape_{out.shape()},
+        out_strides_{out.strides()},
+        out_type_{out.dtype()},
+        device_index_{out.device().index()} {}
+
+  virtual void operator()(const Tensor abs, const Tensor angle,
+                          Tensor out) const = 0;
+
+ protected:
+  Tensor::Shape abs_shape_;
+
+  Tensor::Strides abs_strides_;
+
+  DataType abs_type_;
+
+  Tensor::Shape angle_shape_;
+
+  Tensor::Strides angle_strides_;
+
+  DataType angle_type_;
+
+  Tensor::Shape out_shape_;
+
+  Tensor::Strides out_strides_;
+
+  DataType out_type_;
+
+  int device_index_{0};
+};
+
+}  // namespace infini::ops
+
+#endif