masked_compare.h

#pragma once
#include <muda/muda_def.h>
#include <array>
#include <bitset>
namespace muda::details::buffer
{
MUDA_INLINE bool less(bool b, size_t l, size_t r) MUDA_NOEXCEPT
{
    return b ? l < r : true;
}
 
template <size_t N>
MUDA_INLINE bool less(std::bitset<N>               mask,
                      const std::array<size_t, N>& lhs,
                      const std::array<size_t, N>& rhs) MUDA_NOEXCEPT
{
#pragma unroll
    for(size_t i = 0; i < N; ++i)
        if(!less(mask[i], lhs[i], rhs[i]))
            return false;
    return true;
}
}  // namespace muda::details::buffer