forked from AmbaPant/mantid
-
Notifications
You must be signed in to change notification settings - Fork 1
/
CountStandardDeviations.cpp
43 lines (39 loc) · 1.97 KB
/
CountStandardDeviations.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
// NScD Oak Ridge National Laboratory, European Spallation Source,
// Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#include "MantidHistogramData/CountStandardDeviations.h"
#include "MantidHistogramData/BinEdges.h"
#include "MantidHistogramData/CountVariances.h"
#include "MantidHistogramData/FrequencyStandardDeviations.h"
#include "MantidHistogramData/FrequencyVariances.h"
namespace Mantid::HistogramData {
/// Constructs CountStandardDeviations from FrequencyStandardDeviations and bin
/// width based on BinEdges.
CountStandardDeviations::CountStandardDeviations(const FrequencyStandardDeviations &frequencies, const BinEdges &edges)
: CountStandardDeviations(FrequencyStandardDeviations(frequencies), edges) {}
/// Move-constructs CountStandardDeviations from FrequencyStandardDeviations and
/// bin width based on BinEdges.
CountStandardDeviations::CountStandardDeviations(FrequencyStandardDeviations &&frequencies, const BinEdges &edges) {
if (!frequencies)
return;
if (!edges)
throw std::logic_error("CountStandardDeviations: Cannot construct from "
"FrequencyStandardDeviations -- BinEdges are NULL.");
if ((frequencies.size() + 1) != edges.size())
if (!frequencies.empty() || !edges.empty())
throw std::logic_error("CountStandardDeviations: Cannot construct from "
"FrequencyStandardDeviations -- BinEdges size "
"does not "
"match.");
// Cannot move frequencies private data since it is of different type.
m_data = frequencies.cowData();
frequencies = Kernel::cow_ptr<HistogramE>(nullptr);
auto &data = m_data.access();
for (size_t i = 0; i < data.size(); ++i) {
data[i] *= edges[i + 1] - edges[i];
}
}
} // namespace Mantid::HistogramData