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## Copyright (c) 2010 by Jose Antonio Martin <jantonio.martin AT gmail DOT com>
## This program is free software: you can redistribute it and/or modify it
## under the terms of the GNU Affero General Public License as published by the
## Free Software Foundation, either version 3 of the License, or (at your option
## any later version.
##
## This program is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
## FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
## for more details.
##
## You should have received a copy of the GNU Affero General Public License
## along with this program. If not, see <http://www.gnu.org/licenses/agpl.txt>.
##
## This license is also included in the file COPYING
##
## AUTHOR: Jose Antonio Martin <jantonio.martin AT gmail DOT com>
from random import random, randint
from math import pow
def roll_1d6():
return randint(1, 6)
def roll_2d6():
return randint(1, 6) + randint(1, 6)
def check_one_six(dice=1):
assert isinstance(dice, int)
assert dice > 0
prob = 1. - pow(5./6., dice)
rand = random()
return rand <= prob
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