interval.h

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#ifndef CHEBYSHEV_INTERVAL_H
#define CHEBYSHEV_INTERVAL_H
 
 
namespace chebyshev {
 
    namespace prec {

        struct interval {

            double a;

            double b;

            interval() : a(0), b(0) {}
 

            interval(real_t l, real_t r) : a(l), b(r) {}
 

            inline real_t length() const {
                const real_t diff = b - a;
                return diff > 0 ? diff : -diff;
            }
        };
 
    }
}
 
 
#endif