7 #include "cln/dfloat.h"
15 #define MAYBE_INLINE inline
16 #include "cl_DF_minusp.cc"
17 #include "cl_DF_zerop.cc"
22 const cl_DF signum (const cl_DF& x)
24 if (minusp(x)) { return cl_DF_minus1; } // x<0 -> -1.0
25 elif (zerop(x)) { return cl_DF_0; } // x=0 -> 0.0
26 else { return cl_DF_1; } // x>0 -> +1.0