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#pragma once
#include <cmath>
#include <cfloat>
#include "base.h"
namespace msdfgen {
/// Represents a signed distance and alignment, which together can be compared to uniquely determine the closest edge segment.
class SignedDistance {
public:
double distance;
double dot;
inline SignedDistance() : distance(-DBL_MAX), dot(0) { }
inline SignedDistance(double dist, double d) : distance(dist), dot(d) { }
};
inline bool operator<(const SignedDistance a, const SignedDistance b) {
return fabs(a.distance) < fabs(b.distance) || (fabs(a.distance) == fabs(b.distance) && a.dot < b.dot);
}
inline bool operator>(const SignedDistance a, const SignedDistance b) {
return fabs(a.distance) > fabs(b.distance) || (fabs(a.distance) == fabs(b.distance) && a.dot > b.dot);
}
inline bool operator<=(const SignedDistance a, const SignedDistance b) {
return fabs(a.distance) < fabs(b.distance) || (fabs(a.distance) == fabs(b.distance) && a.dot <= b.dot);
}
inline bool operator>=(const SignedDistance a, const SignedDistance b) {
return fabs(a.distance) > fabs(b.distance) || (fabs(a.distance) == fabs(b.distance) && a.dot >= b.dot);
}
}
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