55 lines
1.2 KiB
Python
55 lines
1.2 KiB
Python
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#!/usr/bin/env python
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# encoding: utf-8
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from .operator import Operator, save_mainOp
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class Div(Operator):
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""" The operator /
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>>> div = op.div
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>>> div
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'/'
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>>> div(1, 2)
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< Fraction 1 / 2>
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>>> div.__tex__('1','2')
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'\\frac{ 1 }{ 2 }'
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>>> div.__tex__('1','2')
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'\\frac{ -1 }{ 2 }'
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>>> div.__txt__('1','2')
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'1 / 2'
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"""
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_CARACT = {
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"operator" : "/", \
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"name" : "div",\
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"priority" : 5, \
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"arity" : 2, \
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"txt" : "{op1} / {op2}",\
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"tex" : "\\frac{{ {op1} }}{{ {op2} }}",\
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}
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def __init__(self):
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""" Initiate Div Operator """
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super(Div, self).__init__(**self._CARACT)
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def __call__(self, op1, op2):
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if op2 == 1:
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return op1
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else:
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from ..fraction import Fraction
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return Fraction(op1,op2)
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def __tex__(self, *args):
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# Pas besoin de parenthèses en plus pour \frac
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replacement = {"op"+str(i+1): op for (i,op) in enumerate(args)}
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ans = self.tex.format(**replacement)
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ans = save_mainOp(ans, self)
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return ans
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# -----------------------------
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# Reglages pour 'vim'
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# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
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# cursor: 16 del
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