constants.py

   1 # For licensing info see the included LICENSE file
   2 #
   3 # Josef Moudrik, <J dot Moudrik at standard google mail ending>, 2012
   4
   5 # -*- coding: utf-8 -*-
   6
   7 import math
   8
   9 from number import Number
  10
  11 def add_constant(n):
  12     CONSTANTS.append(n)
  13
  14 NAT_CONSTANTS = [
  15         Number(1.61803398874989, string='Golden Ratio'),
  16         Number(1/1.61803398874989, string='Golden Ratio Inverted'),
  17         Number(0.577215664901, string='Euler-Mascheroni'),
  18         Number(26000, string='Sun-Milky way center (in light years)'),
  19         Number(math.e, string='e'),
  20         Number(math.pi, string='Pi'),
  21         Number(math.sqrt(2), string=u'√2'),
  22         Number(math.log(2), string=u'ln(2)'),
  23         Number(147 * 10**9, units={'m':1}, string='Earth-Sun Perihelium distance'),
  24         Number(152 * 10**9, units={'m':1}, string='Earth-Sun Aphelium distance'),
  25         Number(384400 * 10**3, units={'m':1}, string='Earth-Moon distance'),
  26         Number(40075017, units={'m':1}, string='Earth Circumference Eq'),
  27         Number(40007860, units={'m':1}, string='Earth Circumference Pol'),
  28         Number(6378100, units={'m':1}, string='Earth Radius Eq'),
  29         Number(6356800, units={'m':1}, string='Earth Radius Pol'),
  30         Number(2.42, string='Earth Land:Sea Ratio'),
  31         #Number(299792458, units={'m':1, 's':-1}, string='Speed of Light')
  32     ]
  33
  34 CISLA = [
  35         Number(3.0/10, string='Cislo 3:10'),
  36         Number(6.0/10, string='Cislo 6:10'),
  37         Number(9.0/10, string='Cislo 9:10'),
  38         Number(10**3, string='Cislo 10^3'),
  39         Number(10**6, string='Cislo 10^6'),
  40         Number(10**9, string='Cislo 10^9'),
  41 ]
  42 CONSTANTS = NAT_CONSTANTS