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Correct rendering of cat images.

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Bert Peters
2017-10-13 13:52:31 +02:00
parent 172949eda8
commit 5df5c1c13c
2 changed files with 12 additions and 11 deletions
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8
src/utils.hpp
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@@ -91,11 +91,11 @@ namespace fmri
typename std::iterator_traits<It>::value_type minimum,
typename std::iterator_traits<It>::value_type maximum)
{
const auto extremes = std::minmax(begin, end);
const auto diff = *extremes.second - *extremes.first;
const auto[minElem, maxElem] = std::minmax(begin, end);
const auto diff = *maxElem - *minElem;
const auto offset = minimum - *extremes.first;
const auto scaling = diff / (maximum - minimum);
const auto offset = minimum - *minElem;
const auto scaling = (maximum - minimum) / diff;
std::for_each(begin, end, [offset, scaling] (typename std::iterator_traits<It>::reference v) { v = (v + offset) * scaling;});
}