Interval.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstUtil/Logger.hpp"
 
AST_NAMESPACE_BEGIN
 
class Interval
{
public:
    static Interval Zero();
    double start() const{return start_;}
    double stop() const{return stop_;}
    double& start() {return start_;}
    double& stop() {return stop_;}
    double duration() const{return stop_ - start_;}
 
    void setStartStop(double start, double stop);
 
    errc_t merge(const Interval& other);
public:
    double start_;
    double stop_;
};
 
 
inline Interval Interval::Zero()
{
    return Interval{0.0, 0.0};
}
 
inline void Interval::setStartStop(double start, double stop)
{
    start_ = start;
    stop_ = stop;
}
 
inline errc_t Interval::merge(const Interval &other)
{
    if (start_ > other.stop() || other.start() > stop_)
    {
        aError("merge interval failed, no overlap");
        return eErrorInvalidParam;
    }
    start_ = std::min(start_, other.start());
    stop_ = std::max(stop_, other.stop());
    return eNoError;
}
 
 
AST_NAMESPACE_END