1
我有一个C++函数,它返回vector<vector<double> >
对象。我已经使用Swig将它包装为Python。当我打电话时,我无法使用resize()
或push_back()
矢量方法修改函数的输出。Python swig-wrapped矢量双精度矢量显示为Tuple
当我尝试这个时,我得到'元组'对象没有'resize'或'push_back'属性的错误。当我在Python中与它们交互时,Swig是否会将矢量转换为Tuple对象?如果是这样的话,那么我假设Python中这个函数的输出是不可变的,这是一个问题。我可以将这个对象传递给接受一个双向量向量的包装方法。我不能用Python中的矢量方法搞砸它。为什么这是或解决办法的任何解释将不胜感激。
这是我的swig文件以供参考。 STL模板行接近尾声:
/* SolutionCombiner.i */
%module SolutionCombiner
%{
/* Put header files here or function declarations like below */
#include "Coord.hpp"
#include "MaterialData.hpp"
#include "FailureCriterion.hpp"
#include "QuadPointData.hpp"
#include "ModelSolution.hpp"
#include "ExclusionZone.hpp"
#include "CriticalLocation.hpp"
#include "FailureMode.hpp"
#include "ExecutiveFunctions.hpp"
#include <fstream>
#include <iostream>
%}
%{
#define SWIG_FILE_WITH_INIT
std::ostream& new_ofstream(const char* FileName){
return *(new std::ofstream(FileName));
}
std::istream& new_ifstream(const char* FileName){
return *(new std::ifstream(FileName));
}
void write(std::ostream* FOUT, char* OutString){
*FOUT << OutString;
}
std::ostream *get_cout(){return &std::cout;}
%}
%include "std_vector.i"
%include "std_string.i"
%include "std_set.i"
%include "../../source/Coord.hpp"
%include "../../source/MaterialData.hpp"
%include "../../source/FailureCriterion.hpp"
%include "../../source/QuadPointData.hpp"
%include "../../source/ModelSolution.hpp"
%include "../../source/ExclusionZone.hpp"
%include "../../source/CriticalLocation.hpp"
%include "../../source/FailureMode.hpp"
%include "../../source/ExecutiveFunctions.hpp"
namespace std {
%template(IntVector) vector<int>;
%template(DoubleVector) vector<double>;
%template(DoubleVVector) vector<vector<double> >;
%template(DoubleVVVector) vector<vector<vector<double> > >;
%template(SolutionVector) vector<ModelSolution>;
%template(CritLocVector) vector<CriticalLocation>;
%template(CritLocVVector) vector<vector<CriticalLocation> >;
%template(ModeVector) vector<FailureMode>;
%template(IntSet) set<int>;
}
std::ofstream& new_ofstream(char* FileName);
std::ifstream& new_ifstream(char* FileName);
std::iostream *get_cout();