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// SPDX-License-Identifier: LGPL-3.0-or-later
// Author: Kristian Lytje
#include <utility/Limit.h>
using namespace ausaxs;
Limit::Limit() noexcept : min(0), max(0) {}
Limit::Limit(double min, double max) noexcept : min(min), max(max) {}
double Limit::span() const noexcept {return max-min;}
double Limit::center() const noexcept {return min + span()/2;}
void Limit::merge(const Limit& other) noexcept {
min = std::min(min, other.min);
max = std::max(max, other.max);
}
void Limit::expand(double percent) noexcept {
double span = this->span();
min -= span*percent;
max += span*percent;
}
Limit& Limit::operator-=(double c) noexcept {
min-=c;
max-=c;
return *this;
}
Limit Limit::operator-(double c) const noexcept {return Limit(*this)-=c;}
Limit& Limit::operator+=(double c) noexcept {
min+=c;
max+=c;
return *this;
}
Limit Limit::operator+(double c) const noexcept {return Limit(*this)+=c;}
bool Limit::operator==(const Limit& rhs) const noexcept {return min == rhs.min && max == rhs.max;}
bool Limit::operator!=(const Limit& rhs) const noexcept {return !operator==(rhs);}
std::string Limit::to_string(const std::string& prepend) const noexcept {return prepend + std::to_string(min) + " " + std::to_string(max);}
bool Limit::empty() const noexcept {return min == 0 && max == 0;}
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