/* This file is used by the arctangent routines*/

#define pi 3.14159265358979323846
#define pi_over_2 1.57079632679489661923
#define pi_over_3 1.04719755119659774615
#define pi_over_6 0.52359877559829887308

#define sqrt_3 1.73205080756887729353
#define sqrt_3_minus_1 0.73205080756887729353
#define two_minus_sqrt_3 0.26794919243112270647

#define eps 0.000244140625

#define p0 -0.144008344874E+1
#define p1 -0.720026848898E+0
#define q0  0.432025038919E+1
#define q1  0.475222584599E+1