##// END OF EJS Templates
Removes unused setData() method
Removes unused setData() method

File last commit:

r458:3fef0e9bbf37
r503:30c9f35549c0
Show More
SortUtils.h
39 lines | 1.4 KiB | text/x-c | CLexer
#ifndef SCIQLOP_SORTUTILS_H
#define SCIQLOP_SORTUTILS_H
#include <algorithm>
#include <numeric>
#include <vector>
/**
* Utility class with methods for sorting data
*/
struct SortUtils {
/**
* Generates a vector representing the index of insertion of each data of a container if this
* one had to be sorted according to a comparison function.
*
* For example:
* If the container is a vector {1; 4; 2; 5; 3} and the comparison function is std::less, the
* result would be : {0; 3; 1; 4; 2}
*
* @tparam Container the type of the container.
* @tparam Compare the type of the comparison function
* @param container the container from which to generate the result. The container must have a
* at() method that returns a value associated to an index
* @param compare the comparison function
*/
template <typename Container, typename Compare>
static std::vector<int> sortPermutation(const Container &container, const Compare &compare)
{
auto permutation = std::vector<int>{};
permutation.resize(container.size());
std::iota(permutation.begin(), permutation.end(), 0);
std::sort(permutation.begin(), permutation.end(),
[&](int i, int j) { return compare(container.at(i), container.at(j)); });
return permutation;
}
};
#endif // SCIQLOP_SORTUTILS_H