The diamond operator: implementation of exact real algebraic numbers

  • Authors:
  • Susanne Schmitt

  • Affiliations:
  • MPI für Informatik, Saarbrücken

  • Venue:
  • CASC'05 Proceedings of the 8th international conference on Computer Algebra in Scientific Computing
  • Year:
  • 2005

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Abstract

The LEDA number type real is extended by the diamond operator, which allows to compute exactly with real algebraic numbers given as roots of polynomials. The coefficients of these polynomials can be arbitrary real algebraic numbers. The implementation is presented and experiments with two other existing implementations of real algebraic numbers (CORE, EXACUS) are done.