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Add geom::gradient default constructor

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This commit is contained in:
Nikita Lisitsa 2023-02-25 12:42:15 +03:00
parent d90317576c
commit 84b804adf7
1 changed files with 4 additions and 0 deletions
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4
libs/geom/include/psemek/geom/gradient.hpp
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@ -14,6 +14,8 @@ namespace psemek::geom
{ {
using result_type = R; using result_type = R;
gradient() = default;
template <typename ... Args> template <typename ... Args>
gradient(Args const & ... args) gradient(Args const & ... args)
{ {
@ -29,6 +31,8 @@ namespace psemek::geom
R operator()(T const & t) const R operator()(T const & t) const
{ {
assert(!points_.empty());
auto it = std::upper_bound(points_.begin(), points_.end(), t, [](T const & t, auto const & p){ return t < p.first; }); auto it = std::upper_bound(points_.begin(), points_.end(), t, [](T const & t, auto const & p){ return t < p.first; });
if (it == points_.begin()) if (it == points_.begin())
return points_.front().second; return points_.front().second;