feat: add pow base

Author: voltjia

src/base/pow.h

@@ -0,0 +1,64 @@
+#ifndef INFINI_OPS_BASE_POW_H_
+#define INFINI_OPS_BASE_POW_H_
+
+#include "operator.h"
+
+namespace infini::ops {
+
+class Pow : public Operator<Pow> {
+ public:
+  Pow(const Tensor input, const Tensor exponent, Tensor out)
+      : input_shape_{input.shape()},
+        input_strides_{input.strides()},
+        input_type_{input.dtype()},
+        exponent_shape_{exponent.shape()},
+        exponent_strides_{exponent.strides()},
+        exponent_type_{exponent.dtype()},
+        out_shape_{out.shape()},
+        out_strides_{out.strides()},
+        out_type_{out.dtype()},
+        device_index_{out.device().index()} {}
+
+  Pow(const Tensor input, const double exponent, Tensor out)
+      : input_shape_{input.shape()},
+        input_strides_{input.strides()},
+        input_type_{input.dtype()},
+        out_shape_{out.shape()},
+        out_strides_{out.strides()},
+        out_type_{out.dtype()},
+        exponent_{exponent},
+        device_index_{out.device().index()} {}
+
+  virtual void operator()(const Tensor input, const Tensor exponent,
+                          Tensor out) const = 0;
+
+  virtual void operator()(const Tensor input, const double exponent,
+                          Tensor out) const = 0;
+
+ protected:
+  Tensor::Shape input_shape_;
+
+  Tensor::Strides input_strides_;
+
+  DataType input_type_;
+
+  Tensor::Shape exponent_shape_;
+
+  Tensor::Strides exponent_strides_;
+
+  DataType exponent_type_;
+
+  Tensor::Shape out_shape_;
+
+  Tensor::Strides out_strides_;
+
+  DataType out_type_;
+
+  double exponent_{};
+
+  int device_index_{0};
+};
+
+}  // namespace infini::ops
+
+#endif