diff options
Diffstat (limited to 'backport_0.9.6_algorithm_median.patch')
| -rw-r--r-- | backport_0.9.6_algorithm_median.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/backport_0.9.6_algorithm_median.patch b/backport_0.9.6_algorithm_median.patch new file mode 100644 index 000000000000..f05fec0d07c3 --- /dev/null +++ b/backport_0.9.6_algorithm_median.patch @@ -0,0 +1,29 @@ +--- a/rak/algorithm.h 2016-11-04 21:58:44.000000000 +0000 ++++ b/rak/algorithm.h 2017-03-10 21:16:32.039264146 +0000 +@@ -176,6 +176,26 @@ inline int popcount_wrapper(T t) { + #endif + } + ++// Get the median of an unordered set of numbers of arbitrary ++// type by modifing the underlying dataset ++template <typename T = double, typename _InputIter> ++T median(_InputIter __first, _InputIter __last) { ++ T __med; ++ ++ unsigned int __size = __last - __first; ++ unsigned int __middle = __size / 2; ++ _InputIter __target1 = __first + __middle; ++ std::nth_element(__first, __target1, __last); ++ __med = *__target1; ++ ++ if (__size % 2 == 0) { ++ _InputIter __target2 = std::max_element(__first, __target1); ++ __med = (__med + *__target2) / 2.0; ++ } ++ ++ return __med; ++} ++ + } + + #endif |