diff options
author | Stanislaw Halik <sthalik@misaki.pl> | 2018-07-08 23:20:56 +0200 |
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committer | Stanislaw Halik <sthalik@misaki.pl> | 2018-07-08 23:20:56 +0200 |
commit | 90940a774eab876c38d5cef981b4be5bae67a462 (patch) | |
tree | 2e60edc1719ffd53752a55a7f0444166965e90c5 /options/slider.cpp | |
parent | e3292e1ddaa8d69eb320d2700fc582b4675cf8ce (diff) |
modernize only
Diffstat (limited to 'options/slider.cpp')
-rw-r--r-- | options/slider.cpp | 45 |
1 files changed, 14 insertions, 31 deletions
diff --git a/options/slider.cpp b/options/slider.cpp index 56d9ba16..5789e951 100644 --- a/options/slider.cpp +++ b/options/slider.cpp @@ -11,7 +11,7 @@ namespace options { -slider_value::slider_value(double cur, double min, double max) : +constexpr slider_value::slider_value(double cur, double min, double max) : cur_(cur), min_(min), max_(max) @@ -24,48 +24,31 @@ slider_value::slider_value(double cur, double min, double max) : cur_ = min_; } -slider_value& slider_value::operator=(const slider_value& v) +template<typename t> +static constexpr auto abs_(t x) { - if (this != &v) - { - cur_ = v.cur(); - min_ = v.min(); - max_ = v.max(); - } - - return *this; + return x < t{0} ? -x : x; } -slider_value::slider_value(const slider_value& v) +constexpr bool slider_value::operator==(const slider_value& v) const { - *this = v; -} - -slider_value::slider_value() : slider_value(0, 0, 0) -{ -} - -bool slider_value::operator==(const slider_value& v) const -{ - using std::fabs; - constexpr double eps = 2e-3; #if 1 - return (fabs(v.cur_ - cur_) < eps && - fabs(v.min_ - min_) < eps && - fabs(v.max_ - max_) < eps); + return (abs_(v.cur_ - cur_) < eps && + abs_(v.min_ - min_) < eps && + abs_(v.max_ - max_) < eps); #else - return (fabs(v.cur_ - cur_) < eps); + return (abs_(v.cur_ - cur_) < eps); #endif } -bool slider_value::operator!=(const slider_value& v) const +constexpr bool slider_value::operator!=(const slider_value& v) const { return !(*this == v); } -slider_value slider_value::update_from_slider(int pos, int q_min, int q_max) const +constexpr slider_value slider_value::update_from_slider(int pos, int q_min, int q_max) const { slider_value v(*this); @@ -75,11 +58,11 @@ slider_value slider_value::update_from_slider(int pos, int q_min, int q_max) con : (((pos - q_min) * (v.max() - v.min())) / q_diff + v.min()); if (sv_pos < v.min()) - v = slider_value(v.min(), v.min(), v.max()); + v = { v.min(), v.min(), v.max() }; else if (sv_pos > v.max()) - v = slider_value(v.max(), v.min(), v.max()); + v = { v.max(), v.min(), v.max() }; else - v = slider_value(sv_pos, v.min(), v.max()); + v = { sv_pos, v.min(), v.max() }; return v; } |