modules/constants_utils.py

   1 # -*- coding: utf-8 -*-
   2 # ##### BEGIN GPL LICENSE BLOCK #####
   3 #
   4 #  This program is free software; you can redistribute it and/or
   5 #  modify it under the terms of the GNU General Public License
   6 #  as published by the Free Software Foundation; either version 2
   7 #  of the License, or (at your option) any later version.
   8 #
   9 #  This program is distributed in the hope that it will be useful,
  10 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 #  GNU General Public License for more details.
  13 #
  14 #  You should have received a copy of the GNU General Public License
  15 #  along with this program; if not, write to the Free Software Foundation,
  16 #  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17 #
  18 # ##### END GPL LICENSE BLOCK #####
  19
  20 """
  21     constants_utils.py
  22
  23     Useful constants...
  24
  25
  26
  27 """
  28
  29
  30
  31 # Golden mean
  32 PHI_INV = 0.61803398874989484820
  33 PHI     = 1.61803398874989484820
  34 PHI_SQR = 2.61803398874989484820