# -*- coding: utf-8 -*-
# Mathmaker creates automatically maths exercises sheets
# with their answers
# Copyright 2006-2017 Nicolas Hainaux <nh.techn@gmail.com>
# This file is part of Mathmaker.
# Mathmaker is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# any later version.
# Mathmaker 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 General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with Mathmaker; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import random
from mathmaker.lib import shared
from mathmaker.lib.core.base_calculus import Monomial, Polynomial, Expandable
from mathmaker.lib.core.calculus import Expression
from mathmaker.lib.document.content import component
[docs]class sub_object(component.structure):
def __init__(self, build_data, **options):
super().setup("minimal", **options)
super().setup("numbers", nb=build_data, shuffle_nbs=False,
**options)
super().setup("nb_variants", nb=build_data, **options)
degrees1 = [0, 1]
degrees2 = [0, 1]
random.shuffle(degrees1)
random.shuffle(degrees2)
weighted_signs = [('+', 16), ('-', 4)]
weighted_signs = [val
for val, cnt in weighted_signs
for i in range(cnt)]
signs = ['+', '-']
self.expandable = Expandable((Monomial((random.choice(signs),
self.nb1,
degrees1.pop())),
Polynomial([Monomial((random.choice(
weighted_signs),
self.nb2,
degrees2.pop())),
Monomial((random.choice(
signs),
self.nb3,
degrees2.pop()))])
))
self.expression = Expression(shared.number_of_the_question,
self.expandable)
self.expression_str = self.expression.printed
shared.number_of_the_question += 1
[docs] def q(self, **options):
return shared.machine.write_math_style2(self.expression_str)
[docs] def a(self, **options):
return shared.machine.write(
self.expression.auto_expansion_and_reduction(**options))
# TODO: create the "js" answer (for interactive pdf)
# def js_a(self, **kwargs):
# return [self......jsprinted]