C++ C+中的未知错误消息C2440+;

C++ C+中的未知错误消息C2440+;,c++,C++,因此,当我尝试在Unix中运行头文件时,会出现一个错误,错误是“error C2440:'initialization':无法从'std::vector*'转换为'std::vector'”。我想我得到这个错误是因为我在allOperations中调用了“transform”,但我不确定。下面是头文件: #include <iostream> #include <vector> #include <string> #include <fstream>

因此,当我尝试在Unix中运行头文件时,会出现一个错误,错误是“error C2440:'initialization':无法从'std::vector*'转换为'std::vector'”。我想我得到这个错误是因为我在allOperations中调用了“transform”,但我不确定。下面是头文件:

#include <iostream>
#include <vector>
#include <string>
#include <fstream> //library for files
#include <cctype>
#include <algorithm>
#include <iterator>
#include <sstream>
#include <typeinfo>


using namespace std;

template <class T>
void alloc3DArray(T *** &x, int numberOfRows, int numberOfColumns,int numberOfDepth  )
{

 int i=0;
 int j=0;
 int k=0;


 // allocate an array for array of arrays
  x = new T ** [numberOfRows];


 // Allocate an array for each element of the first array
   for(i = 0; i < numberOfRows; i++)
    {

        x[i] = new T *[numberOfColumns];

  // Allocate an array of T for each element of this array
        for(j = 0; j < numberOfColumns; j++)
        {

            x[i][j] = new T [numberOfDepth];

   // Specify an initial value 
   for(int k = 0; k < numberOfDepth; ++k)
   {
    x[i][j][k] = -1;


   }


        }
    }

}

template <class T>
void dealloc3DArray(T *** &x, int numberOfRows, int numberOfColumns )

{
 // Check if it exeists 
 if(!x) //it does not exist
         exit(1);



    for (int i = 0; i < numberOfRows; ++i) 
    {
   for (int j = 0; j < numberOfColumns; ++j)

        {
    //delete innest
            delete [] x[i][j]; 
        }

   //delete columns
        delete [] x[i];
    }
 //delete first array
    delete [] x;
}

template <class T>
const vector<T>  allOperationsNotWorking(T *** &myArray1, T *** &myArray2,  T *** &myArray3,int numberOfRows, int numberOfColumns,int numberOfDepth  )

{
    int i=0;
 int j=0;
 int k=0;

    int size = numberOfRows * numberOfColumns * numberOfDepth; //find vector size
    vector<T> &myvector = vector<T>(size);// create a vector
    //vector<T>::const_iterator it;// const_iterator is faster than iterator
    for(i = 0; i < numberOfRows; i++)
   for(j = 0; j < numberOfColumns; j++)
    for(k = 0; k < numberOfDepth; k++){

     myArray3[i][j][k] =myArray1[i][j][k]+myArray2[i][j][k];

     myvector.push_back(myArray3[i][j][k]);


    }
     return myvector;


}

vector<string>  allOperationsString(string *** &myArray1, string *** &myArray2,  string *** &myArray3,int numberOfRows, int numberOfColumns,int numberOfDepth  )

{
    int i=0;
 int j=0;
 int k=0;

    int size = numberOfRows * numberOfColumns * numberOfDepth; //find vector size
    vector<string> myvector = vector<string>(size);// create a vector
    //vector<T>::const_iterator it;// const_iterator is faster than iterator
    for(i = 0; i < numberOfRows; i++)
   for(j = 0; j < numberOfColumns; j++)
    for(k = 0; k < numberOfDepth; k++){

     myArray3[i][j][k] =myArray1[i][j][k]+myArray2[i][j][k];

     myvector.push_back(myArray3[i][j][k]);


    }
     return myvector;


}

template <class T>
vector<T> isWord(vector<T> &stringVector, vector<T> &goodOnes,vector<T> &badOnes, vector<T> &dict)
{
    vector<int> strV;


 if (typeid(stringVector).name()== typeid(strV).name()){

 //if (typeid(stringVector)==int){
  ofstream badFile; //  declare and object as output file  using ofstream
  cout << " Illegal Vector" << endl;
  badFile.open ("hw1bout2.txt", ios::app);
  badFile << "Illegal Vector" << endl;
  badFile.close();
  return badOnes;
  }

 int i=0;
 int j=0;
 int FIRSTSIZE=stringVector.size();
 int SECONDSIZE = dict.size();
 std::string sInput="";
 std::string sDict="";

 sort(stringVector.begin(), stringVector.end());//sort() uses quicksort from the algorith library

  for(int i=0, j=0; i < FIRSTSIZE && j < SECONDSIZE; ){
   sInput=stringVector[i];


   std::transform(sInput.begin(), sInput.end(), sInput.begin(), std::toupper); //convert input word to upper

   sDict=dict[j];


   if(sInput.compare(sDict) == 0) {
   goodOnes.push_back(stringVector[i]); //write good word to vector

   i++;//advance one position in string vector
   j++;//advance one position in dictionary
    }

  else if(stringVector[i] < dict[j] && FIRSTSIZE < SECONDSIZE){// wrods did not match
   if (stringVector[i].size() >0) badOnes.push_back(stringVector[i]); //write bad word to vector if not empty string
   i++;//advance one position in string vector
   }

  else{
   j++;//advance one position in dictionary
    }
}



 return goodOnes;
}

template<class T >    
vector<string> isWord(vector<int> &stringVector, vector<string> &goodOnes,vector<string> &badOnes, vector<string> &dict)
{

 vector<int> strV;


 if (typeid(stringVector).name()== typeid(strV).name()){

  badOnes.push_back("Illegal Vector" );
 }
  return badOnes;

}

//template<class T>
vector<int>  allOperations(int *** &myArray1, int *** &myArray2,  int *** &myArray3,int numberOfRows, int numberOfColumns,int numberOfDepth  )

{
    int i=0;
 int j=0;
 int k=0;

    int size = numberOfRows * numberOfColumns * numberOfDepth; //find vector size
    vector<int> myvector = vector<int>(size);// create a vector
    //const vector<int>& myvector;
    //vector<int>::const_iterator it = myvector.begin();
    vector<int>::const_iterator it;// const_iterator is faster than iterator
    for(i = 0; i < numberOfRows; i++)
   for(j = 0; j < numberOfColumns; j++)
    for(k = 0; k < numberOfDepth; k++){

     myArray3[i][j][k] =myArray1[i][j][k]+myArray2[i][j][k];

     myvector.push_back(myArray3[i][j][k]);


    }
     return myvector;


}
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使用名称空间std;
模板
void alloc3DArray(T***&x,int numberOfRows,int numberOfColumns,int numberOfDepth)
{
int i=0;
int j=0;
int k=0;
//为数组的数组分配一个数组
x=新T**[行数];
//为第一个数组的每个元素分配一个数组
对于(i=0;icout从g++获得的实际错误消息(不是您发布的消息)非常清楚地表明,
std::transform
的最后一个参数是重载函数的名称

由于该参数用于模板参数推断,编译器无法选择任何一个重载。我们将通过在强类型上下文中命名重载函数集合来帮助它:

char (*transformation_fn)(char) = &std::toupper;
std::transform(sInput.begin(), sInput.end(), sInput.begin(), transformation_fn);

有了这个变化,.

这在MSVS2008中对我来说很好,但在ideone上却不是。奇怪。如果你有一个较小的代码片段,它会有帮助,并且(b)告诉我们哪一行(s)它特别地抱怨。必须有链接,这样你就有了代码,它可能在Windows上工作,然后当你把它带到UNIX上时,它就用Visual C++编译器错误代码失败了。HUH?而且,你没有告诉我们哪条线有错误,也不知道运行和编译的区别。