2 real.hh -- declare Real
4 source file of the Flower Library
6 (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
18 extern const Real infinity_f;
22 template<class T> inline T abs (T x)
24 return x > 0 ? x : -x;
30 distance (Real x, Real y)
35 template<class T> inline int sign (T x)
38 return x > T (0) ? 1 : -1;
42 template<class T> inline T sqr (T x)