fork download 
  1. #include <iostream>
  2. #include <memory>
  3. #include <complex>
  4.  
  5. class Slice{
  6. public:
  7.     Slice(unsigned long Nx, unsigned long Ny) :
  8.     	nx(Nx),
  9.     	ny(Ny),
  10.     	data(std::make_shared<std::complex<double>[]>(Nx*Ny))
  11.     {}
  12.  
  13.     Slice(unsigned long Nx, unsigned long Ny, std::shared_ptr<std::complex<double>[]> data) :
  14.     	nx(Nx),
  15.     	ny(Ny),
  16.     	data(data)
  17.     {}
  18.  
  19. private:
  20.     unsigned long     nx;
  21.     unsigned long     ny;
  22.     std::shared_ptr<std::complex<double>[]> data;
  23. };
  24.  
  25. class Volume{
  26. public:
  27.     Volume(unsigned long Nx, unsigned long Ny, unsigned long Nz) :
  28.     	nx(Nx),
  29.     	ny(Ny),
  30.     	nz(Nz),
  31.         data(std::make_shared<std::complex<double>[]>(Nx * Ny * Nz))
  32.     {
  33.     }
  34.  
  35.     Slice get_slice(unsigned long zindex)
  36.     {
  37.         return Slice(nx, ny, std::shared_ptr<std::complex<double>[]>(data, &data[zindex * nx * ny]));
  38.     }
  39. private:
  40.     // DATA:
  41.     unsigned long     nx;
  42.     unsigned long     ny;
  43.     unsigned long     nz;
  44.     std::shared_ptr<std::complex<double>[]> data;
  45. };
  46.  
  47.  
  48.  
  49. int main(){
  50.     unsigned long Nx = 1;
  51.     unsigned long Ny = 2;
  52.     unsigned long Nz = 3;
  53.  
  54.     Volume testVolume(Nx,Ny,Nz);
  55.     /* initialise data in testVolume */
  56.     Slice slice = testVolume.get_slice(1);
  57. }
  58.  
Success #stdin #stdout 0s 4356KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/329mqj
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!