diff options
Diffstat (limited to 'include/libHX/intdiff.hpp')
| -rw-r--r-- | include/libHX/intdiff.hpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/libHX/intdiff.hpp b/include/libHX/intdiff.hpp new file mode 100644 index 0000000..17300a1 --- /dev/null +++ b/include/libHX/intdiff.hpp @@ -0,0 +1,24 @@ +#ifndef LIBHX_INTDIFF_HPP +#define LIBHX_INTDIFF_HPP 1 +#include <algorithm> +namespace HX { +template<typename AIter, typename BIter, typename XIter, + typename YIter, typename ZIter> +void set_intersect_diff(AIter a_first, AIter a_last, BIter b_first, + BIter b_last, XIter xptr, YIter yptr, ZIter zptr) +{ + while ((a_first != a_last) && (b_first != b_last)) { + if (*a_first < *b_first) + *xptr++ = *a_first++; + else if (*b_first < *a_first) + *yptr++ = *b_first++; + else { + *zptr++ = *a_first++; + ++b_first; + } + } + std::copy(a_first, a_last, xptr); + std::copy(b_first, b_last, yptr); +} +} +#endif |