Lomont Class Reference

The equality comparison of double numbers using as the metric the maximal number of Units in the Last Place (ULP). More...

#include <Lomont.h>

Detailed Description

The equality comparison of double numbers using as the metric the maximal number of Units in the Last Place (ULP).

It is a slightly modified version of very efficient implementation of the initial Bruce Dawson's algorithm by Chris Lomont.

See Also

www.lomont.org

http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm

C.Lomont claims the algorithm is factor 2-10 more efficient with respect to classical Knuth's algorithm for comparison of the floating number using the relative precision.

Attention

Only the specializations of this class has sense!

Author

Vanya BELYAEV Ivan..nosp@m.Bely.nosp@m.aev@n.nosp@m.ikhe.nosp@m.f.nl

Date

2009-10-22

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The documentation for this class was generated from the following file:

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r5/GaudiKernel/GaudiKernel/Lomont.h