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mod expression with operands

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Lafrite 2014-12-22 14:14:37 +01:00
parent 8dd90bc85a
commit 2de1b1add8
1 changed files with 63 additions and 61 deletions
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104
pymath/expression.py
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@ -1,7 +1,7 @@
#!/usr/bin/env python
# encoding: utf-8
from .generic import Stack, flatten_list, expand_list, isNumber, isOperator
from .generic import Stack, flatten_list, expand_list, isNumber, isOperator, isNumerand
from .render import txt, tex
from .str2tokens import str2tokens
from .operator import op
@ -157,7 +157,7 @@ class Expression(object):
while len(tokenList) > 2:
# on va chercher les motifs du genre A B +, quand l'operateur est d'arité 2, pour les calculer
if isNumber(tokenList[0]) and isNumber(tokenList[1]) \
if isNumerand(tokenList[0]) and isNumerand(tokenList[1]) \
and isOperator(tokenList[2]) and tokenList[2].arity == 2 :
# S'il y a une opération à faire
@ -173,7 +173,7 @@ class Expression(object):
del tokenList[0:3]
# Et les motifs du gens A -, quand l'operateur est d'arité 1
elif isNumber(tokenList[0]) \
elif isNumerand(tokenList[0]) \
and isOperator(tokenList[1]) and tokenList[1].arity == 1:
# S'il y a une opération à faire
@ -192,7 +192,7 @@ class Expression(object):
del tokenList[0]
if len(tokenList) == 2 and isNumber(tokenList[0]) \
if len(tokenList) == 2 and isNumerand(tokenList[0]) \
and isOperator(tokenList[1]) and tokenList[1].arity == 1:
# S'il reste deux éléments dont un operation d'arité 1
op1 = tokenList[0]
@ -283,81 +283,83 @@ class Expression(object):
def test(exp):
a = Expression(exp)
print(a)
#print(a)
for i in a.simplify():
print(type(i))
print(i)
print(type(a.simplified()), ":", a.simplified())
#print(type(a.simplified()), ":", a.simplified())
print("\n")
if __name__ == '__main__':
Expression.set_render(txt)
exp1 = "2 ^ 3 * 5"
test(exp1)
#exp = "2 ^ 3 * 5"
#test(exp)
Expression.set_render(tex)
test(exp1)
from pymath.operator import op
exp = [2, 3, op.pw, 5, op.mul]
exp = "2x + 5"
test(exp)
Expression.set_render(txt)
#Expression.set_render(tex)
test([Expression(exp1), Expression(exp), op.add])
#test(exp1)
exp = "1 + 3 * 5"
e = Expression(exp)
f = -e
print(f)
#from pymath.operator import op
#exp = [2, 3, op.pw, 5, op.mul]
#test(exp)
exp = "2 * 3 * 3 * 5"
test(exp)
#test([Expression(exp1), Expression(exp), op.add])
exp = "2 * 3 + 3 * 5"
test(exp)
#exp = "1 + 3 * 5"
#e = Expression(exp)
#f = -e
#print(f)
exp = "2 * ( 3 + 4 ) + 3 * 5"
test(exp)
#exp = "2 * 3 * 3 * 5"
#test(exp)
exp = "2 * ( 3 + 4 ) + ( 3 - 4 ) * 5"
test(exp)
#exp = "2 * 3 + 3 * 5"
#test(exp)
exp = "2 * ( 2 - ( 3 + 4 ) ) + ( 3 - 4 ) * 5"
test(exp)
#exp = "2 * ( 3 + 4 ) + 3 * 5"
#test(exp)
exp = "2 * ( 2 - ( 3 + 4 ) ) + 5 * ( 3 - 4 )"
test(exp)
#exp = "2 * ( 3 + 4 ) + ( 3 - 4 ) * 5"
#test(exp)
#
#exp = "2 * ( 2 - ( 3 + 4 ) ) + ( 3 - 4 ) * 5"
#test(exp)
#
#exp = "2 * ( 2 - ( 3 + 4 ) ) + 5 * ( 3 - 4 )"
#test(exp)
#
#exp = "2 + 5 * ( 3 - 4 )"
#test(exp)
exp = "2 + 5 * ( 3 - 4 )"
test(exp)
#exp = "( 2 + 5 ) * ( 3 - 4 )^4"
#test(exp)
exp = "( 2 + 5 ) * ( 3 - 4 )^4"
test(exp)
#exp = "( 2 + 5 ) * ( 3 * 4 )"
#test(exp)
exp = "( 2 + 5 ) * ( 3 * 4 )"
test(exp)
#exp = "( 2 + 5 - 1 ) / ( 3 * 4 )"
#test(exp)
exp = "( 2 + 5 - 1 ) / ( 3 * 4 )"
test(exp)
#exp = "( 2 + 5 ) / ( 3 * 4 ) + 1 / 12"
#test(exp)
exp = "( 2 + 5 ) / ( 3 * 4 ) + 1 / 12"
test(exp)
#exp = "( 2+ 5 )/( 3 * 4 ) + 1 / 2"
#test(exp)
exp = "( 2+ 5 )/( 3 * 4 ) + 1 / 2"
test(exp)
#exp="(-2+5)/(3*4)+1/12+5*5"
#test(exp)
exp="(-2+5)/(3*4)+1/12+5*5"
test(exp)
exp="-2*4(12 + 1)(3-12)"
test(exp)
#exp="-2*4(12 + 1)(3-12)"
#test(exp)
exp="(-2+5)/(3*4)+1/12+5*5"
test(exp)
#exp="(-2+5)/(3*4)+1/12+5*5"
#test(exp)
# TODO: The next one doesn't work |ven. janv. 17 14:56:58 CET 2014
#exp="-2*(-a)(12 + 1)(3-12)"