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De-const the members of QHypotHelper to enable assignment operators 

Being able to iterate h = h.add(next) over a sequence of numbers makes
it possible to implement arbitrarily-many parameter functions that
need hypot, e.g. the implementation of V4's Math.hypot().
This amends commit b08368d99f.

Change-Id: I76bb65bd5f318e915d42fa4c935129850e258132
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
bb10
Edward Welbourne 2021-02-02 11:39:05 +01:00
parent dca74b45a3
commit 9505bd84db
1 changed files with 1 additions and 1 deletions
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src/corelib/kernel/qmath.h
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@ -143,7 +143,7 @@ struct QHypotType { using type = decltype(std::hypot(R(1), F(1))); };
template <typename T>
class QHypotHelper
{
const T scale, total;
T scale, total;
template <typename F> friend class QHypotHelper;
QHypotHelper(T first, T prior) : scale(first), total(prior) {}
public: