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Fix(compute): clean typing multiply

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This commit is contained in:
Bertrand Benjamin 2018-10-01 16:13:13 +02:00
parent b24069a72d
commit 1266a2331b
1 changed files with 0 additions and 46 deletions
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46
mapytex/calculus/core/typing/multiply.py
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@ -15,8 +15,6 @@ from ..tree import Tree
from ..MO.mo import MO, MOnumber, MOstr
from ..MO.fraction import MOFraction
from ..MO.monomial import MOstrPower, MOMonomial
from .exceptions import MultiplyError
from .filters import special_case
multiply_doc = """ Multiply MOs
@ -28,48 +26,7 @@ multiply_doc = """ Multiply MOs
multiply = Dispatcher("multiply", doc=multiply_doc)
def multiply_filter(left, right):
""" Automatic multiply on MO
:param left: MO
:param right: MO
:returns: MO if it is a special case, nothing other wise
>>> a = MOnumber(1)
>>> b = MOFraction(1, 2)
>>> multiply(a, b)
<MOFraction 1 / 2>
>>> multiply(b, a)
<MOFraction 1 / 2>
>>> a = MOnumber(0)
>>> b = MOFraction(1, 2)
>>> multiply(a, b)
<MOnumber 0>
"""
try:
if left == 0:
return left
except TypeError:
pass
try:
if right == 0:
return right
except TypeError:
pass
try:
if left == 1:
return right
except TypeError:
pass
try:
if right == 1:
return left
except TypeError:
pass
@multiply.register((MOnumber, MOFraction), MOstr)
@special_case(multiply_filter)
def moscalar_mostr(left, right):
""" Multiply a scalar with a letter to create a MOMonomial
@ -84,7 +41,6 @@ def moscalar_mostr(left, right):
return MOMonomial(left, right)
@multiply.register(MOstr, (MOnumber, MOFraction))
@special_case(multiply_filter)
def mostr_moscalar(left, right):
""" Multiply a scalar with a letter to create a MOMonomial
@ -99,7 +55,6 @@ def mostr_moscalar(left, right):
return MOMonomial(right, left)
@multiply.register((MOnumber, MOFraction), MOstrPower)
@special_case(multiply_filter)
def moscalar_mostrpower(left, right):
""" Multiply a scalar with a MOstrPower
@ -116,7 +71,6 @@ def moscalar_mostrpower(left, right):
return MOMonomial(left, right)
@multiply.register(MOstrPower, (MOnumber, MOFraction))
@special_case(multiply_filter)
def mostrpower_moscalar(left, right):
""" Multiply a MOstrPower with a scalar