skip_values.hpp

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#ifndef QUICKSTATS_SKIP_VALUES_HPP
#define QUICKSTATS_SKIP_VALUES_HPP
 
#include <cstddef>
 
namespace quickstats {
 
template<typename Input_, class Skip_>
std::size_t skip_values(const std::size_t num_total, Input_* const ptr, Skip_ skip) {
    std::size_t used = 0;
    for (std::size_t i = 0; i < num_total; ++i) {
        const auto val = ptr[i];
        if (!skip(i, val)) {
            ptr[used] = val;
            ++used;
        }
    }
    return used;
}
 
}
 
#endif