feat: add MultilabelMarginLossBackwardGradInput base

Author: voltjia

src/base/multilabel_margin_loss_backward_grad_input.h

@@ -0,0 +1,58 @@
+#ifndef INFINI_OPS_BASE_MULTILABEL_MARGIN_LOSS_BACKWARD_GRAD_INPUT_H_
+#define INFINI_OPS_BASE_MULTILABEL_MARGIN_LOSS_BACKWARD_GRAD_INPUT_H_
+
+#include "operator.h"
+
+namespace infini::ops {
+
+class MultilabelMarginLossBackwardGradInput
+    : public Operator<MultilabelMarginLossBackwardGradInput> {
+ public:
+  MultilabelMarginLossBackwardGradInput(const Tensor grad_output,
+                                        const Tensor self, const Tensor target,
+                                        const int64_t reduction,
+                                        const Tensor is_target,
+                                        Tensor grad_input)
+      : grad_output_shape_{grad_output.shape()},
+        grad_output_strides_{grad_output.strides()},
+        grad_output_type_{grad_output.dtype()},
+        self_shape_{self.shape()},
+        self_strides_{self.strides()},
+        self_type_{self.dtype()},
+        target_shape_{target.shape()},
+        target_strides_{target.strides()},
+        target_type_{target.dtype()},
+        is_target_shape_{is_target.shape()},
+        is_target_strides_{is_target.strides()},
+        is_target_type_{is_target.dtype()},
+        grad_input_shape_{grad_input.shape()},
+        grad_input_strides_{grad_input.strides()},
+        grad_input_type_{grad_input.dtype()},
+        device_index_{grad_input.device().index()} {}
+
+  virtual void operator()(const Tensor grad_output, const Tensor self,
+                          const Tensor target, const int64_t reduction,
+                          const Tensor is_target, Tensor grad_input) const = 0;
+
+ protected:
+  Tensor::Shape grad_output_shape_;
+  Tensor::Strides grad_output_strides_;
+  DataType grad_output_type_;
+  Tensor::Shape self_shape_;
+  Tensor::Strides self_strides_;
+  DataType self_type_;
+  Tensor::Shape target_shape_;
+  Tensor::Strides target_strides_;
+  DataType target_type_;
+  Tensor::Shape is_target_shape_;
+  Tensor::Strides is_target_strides_;
+  DataType is_target_type_;
+  Tensor::Shape grad_input_shape_;
+  Tensor::Strides grad_input_strides_;
+  DataType grad_input_type_;
+  int device_index_{0};
+};
+
+}  // namespace infini::ops
+
+#endif