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details Mathematical Constants VIGRA

M_PI, M_SQRT2

#include "vigra/utilities.hxx"

Since M_PI and M_SQRT2 are not officially standardized, we provide definitions here for those compilers that don't support them.

    #ifndef M_PI
    #    define M_PI     3.14159265358979323846
    #endif

    #ifndef M_SQRT2
    #    define M_SQRT2  1.41421356237309504880
    #endif

© Ullrich Köthe (koethe@informatik.uni-hamburg.de)
Cognitive Systems Group, University of Hamburg, Germany

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VIGRA 1.2.0 (7 Aug 2003)