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authorJörg Frings-Fürst <debian@jff-webhosting.net>2022-10-24 21:03:43 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2022-10-24 21:03:43 +0200
commitaab49e5a013c53ae812a143fe41add74e0677a61 (patch)
treef0c6e1ba7db9991f2bd38c9169f9921bfe5e61d8 /include/libHX/intdiff.hpp
parentdf5167db909a88fb8e16dd20b37442495a6ac059 (diff)
parent532d4a24e2013262dfa41fd85c06a9715c99abf7 (diff)
Update upstream source from tag 'upstream/4.7'
Update to upstream version '4.7' with Debian dir d3e11463c915e5c39507206197eb3acd42bb8f5f
Diffstat (limited to 'include/libHX/intdiff.hpp')
-rw-r--r--include/libHX/intdiff.hpp24
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