2 real.hh -- declare Real
4 source file of the Flower Library
6 (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
15 extern const Real infinity_f;
18 template<class T> inline T abs (T x)
20 return x > 0 ? x : -x;
23 template<class T> inline int sign (T x)
26 return x > T (0) ? 1 : -1;
31 template<class T> inline T sqr (T x)
38 distance (Real x, Real y)