From badf70d46d5aae2afae6b0d79f013423bb49007e Mon Sep 17 00:00:00 2001
From: Precreator <1689487228@qq.com>
Date: Tue, 8 Jul 2025 15:42:45 +0800
Subject: [PATCH] debug 2

---
 cc/operators/ops.cc |  3 ++-
 cc/operators/ops.h  |  2 +-
 cc/tensor/tensor.cc |  2 +-
 cc/tensor/tensor.h  | 20 ++++++++++++++++++--
 4 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/cc/operators/ops.cc b/cc/operators/ops.cc
index c256d95..c06014a 100644
--- a/cc/operators/ops.cc
+++ b/cc/operators/ops.cc
@@ -45,7 +45,7 @@ auto prodList(const std::vector<float>& vec) -> float {
 
 auto addLists(const std::vector<float>& vec1, const std::vector<float>& vec2) -> std::vector<float> {
     // 请修改这里的return语句
-    return zipWith(vec1, vec2, add<float>);
+     return zipWith(vec1, vec2, add<float>);
 }
 
 auto negList(const std::vector<float>& vec) -> std::vector<float> {
@@ -53,3 +53,4 @@ auto negList(const std::vector<float>& vec) -> std::vector<float> {
     return map(vec,neg<float>);
 }
 }
+
diff --git a/cc/operators/ops.h b/cc/operators/ops.h
index bdf0a89..e2ace63 100644
--- a/cc/operators/ops.h
+++ b/cc/operators/ops.h
@@ -63,7 +63,7 @@ auto zipWith(const std::vector<T1>& vec1, const std::vector<T2>& vec2, F func)
         // 我们已经在这里throw一个异常
         throw std::invalid_argument("Vectors must have the same size");
     }
-    result.reverse(vec1.size());
+    result.reserve(vec1.size());
     for(size_t i=0;i<vec1.size();++i){
         result.push_back(func(vec1[i],vec2[i]));
     }
diff --git a/cc/tensor/tensor.cc b/cc/tensor/tensor.cc
index 43cbff4..25d96c3 100644
--- a/cc/tensor/tensor.cc
+++ b/cc/tensor/tensor.cc
@@ -124,4 +124,4 @@ std::shared_ptr<Tensor> exp(const std::shared_ptr<Tensor>& tensor) {
     return result;
 }
 
-}
\ No newline at end of file
+}//Tensor
\ No newline at end of file
diff --git a/cc/tensor/tensor.h b/cc/tensor/tensor.h
index adaef3c..c4011e1 100644
--- a/cc/tensor/tensor.h
+++ b/cc/tensor/tensor.h
@@ -18,8 +18,9 @@ public:
     std::size_t size;
 
 public:
-    Tensor(const std::vector<std::size_t>& shape, bool rand_init = false) {
-        this->size = std::accumulate(shape.begin(), shape.end(), 1, std::multiplies<int>());
+    Tensor(const std::vector<std::size_t>& shape, bool rand_init = false) 
+    {
+        this->size = std::accumulate(shape.begin(), shape.end(), static_cast<std::size_t>(1), std::multiplies<std::size_t>());
         this->data.resize(this->size);
         this->shape = shape;
         if (rand_init) {
@@ -31,6 +32,21 @@ public:
             }
         }
     }
+    Tensor(const std::vector<std::size_t>& shape, const std::vector<float>& data) 
+     {
+    // 计算总元素数（size）
+    this->size = std::accumulate(shape.begin(), shape.end(), static_cast<std::size_t>(1), std::multiplies<std::size_t>());
+
+    // 校验 data 长度是否与 shape 匹配
+    if (data.size() != this->size) {
+        throw std::runtime_error("Tensor 构造失败：data 长度与 shape 不匹配");
+    }
+
+    // 初始化成员变量
+    this->shape = shape;
+    this->data = data;  // 直接复制传入的 data
+    }
+    
     std::shared_ptr<Tensor> transpose();
 
     Tensor operator+(const Tensor& other) const {