CudaTools/samples/4_ArrayFunctions/main.cu.cpp

#define CUDATOOLS_IMPLEMENTATION
#include <Array.h>
#include <Core.h>

int main() {
    CudaTools::Array<int> arr = CudaTools::Array<int>::constant({100}, 0);
    arr.reshape({4, 5, 5}); // Creates a three dimensional array.

    arr[0][0][0] = 1;     // Axis by axis indexing.
    arr[{1, 0, 0}] = 100; // Specific 'coordinate' indexing.
    std::cout << arr << "\n";

    CudaTools::Array<int> arrRange = CudaTools::Array<int>::range(0, 18);
    auto arrSlice = arr.slice({{1, 3}, {1, 4}, {1, 4}}); // Takes a slice of the center.
    std::cout << "Before Copy:\n" << arrSlice << "\n";
    arrSlice = arrRange; // Copies arrRange into arrSlice. (Does NOT replace!)
    std::cout << "After Copy:\n" << arrSlice << "\n";

    std::cout << "Modified: \n"
              << arr << "\n"; // The original array is modified, since a slice does not copy.

    CudaTools::Array<int> newArr = arr.copy();                 // Copies the original Array.
    for (auto it = newArr.begin(); it != newArr.end(); ++it) { // Iterate through the array.
        *it = 1;
    }
    std::cout << "Modified New Array:\n" << newArr << "\n";
    std::cout << "Old Array:\n" << arr << "\n"; // The original array was not modified after a copy.
    return 0;
}