update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / boost / libs / histogram / examples / guide_custom_accumulators_3.cpp

diff --git a/ceph/src/boost/libs/histogram/examples/guide_custom_accumulators_3.cpp b/ceph/src/boost/libs/histogram/examples/guide_custom_accumulators_3.cpp
deleted file mode 100644 (file)
index 0bae7d3..0000000
--- a/ceph/src/boost/libs/histogram/examples/guide_custom_accumulators_3.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright 2019 Hans Dembinski
-//
-// Distributed under the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt
-// or copy at http://www.boost.org/LICENSE_1_0.txt)
-
-//[ guide_custom_accumulators_3
-
-#include <boost/format.hpp>
-#include <boost/histogram.hpp>
-#include <iostream>
-#include <sstream>
-
-int main() {
-  using namespace boost::histogram;
-
-  // Accumulator accepts two samples and an optional weight and computes the mean of each.
-  struct multi_mean {
-    accumulators::mean<> mx, my;
-
-    // called when no weight is passed
-    void operator()(double x, double y) {
-      mx(x);
-      my(y);
-    }
-
-    // called when a weight is passed
-    void operator()(weight_type<double> w, double x, double y) {
-      mx(w, x);
-      my(w, y);
-    }
-  };
-  // Note: The implementation can be made more efficient by sharing the sum of weights.
-
-  // Create a 1D histogram that uses the custom accumulator.
-  auto h = make_histogram_with(dense_storage<multi_mean>(), axis::integer<>(0, 2));
-  h(0, sample(1, 2));            // samples go to first cell
-  h(0, sample(3, 4));            // samples go to first cell
-  h(1, sample(5, 6), weight(2)); // samples go to second cell
-  h(1, sample(7, 8), weight(3)); // samples go to second cell
-
-  std::ostringstream os;
-  for (auto&& bin : indexed(h)) {
-    os << boost::format("index %i mean-x %.1f mean-y %.1f\n") % bin.index() %
-              bin->mx.value() % bin->my.value();
-  }
-  std::cout << os.str() << std::flush;
-  assert(os.str() == "index 0 mean-x 2.0 mean-y 3.0\n"
-                     "index 1 mean-x 6.2 mean-y 7.2\n");
-}
-
-//]