کامپایلر پایتون چیست

نویسنده : رضا قربانی | زمان انتشار : 09 اسفند 1399 ساعت 18:41

جهت انجام پروژه های دانشجویی و یا تمرین‌های برنامه نویسی رشته کامپیوتر میتوانید به آی دی تلگرام زیر پیام دهید

@AlirezaSepand

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# Package initialisation

frompypy.interpreter.mixedmodule importMixedModule

classModule(MixedModule):

appleveldefs={

'factorial':'app_math.factorial'

}

interpleveldefs={

'e' :'interp_math.get(space).w_e',

'pi' :'interp_math.get(space).w_pi',

'pow' :'interp_math.pow',

'cosh' :'interp_math.cosh',

'copysign' :'interp_math.copysign',

'ldexp' :'interp_math.ldexp',

'hypot' :'interp_math.hypot',

'tan' :'interp_math.tan',

'asin' :'interp_math.asin',

'fabs' :'interp_math.fabs',

'floor' :'interp_math.floor',

'sqrt' :'interp_math.sqrt',

'frexp' :'interp_math.frexp',

'degrees' :'interp_math.degrees',

'log' :'interp_math.log',

'log10' :'interp_math.log10',

'fmod' :'interp_math.fmod',

'atan' :'interp_math.atan',

'ceil' :'interp_math.ceil',

'sinh' :'interp_math.sinh',

'cos' :'interp_math.cos',

'tanh' :'interp_math.tanh',

'radians' :'interp_math.radians',

'sin' :'interp_math.sin',

'atan2' :'interp_math.atan2',

'modf' :'interp_math.modf',

'exp' :'interp_math.exp',

'expm1' :'interp_math.expm1',

'acos' :'interp_math.acos',

'isinf' :'interp_math.isinf',

'isnan' :'interp_math.isnan',

'trunc' :'interp_math.trunc',

'fsum' :'interp_math.fsum',

'asinh' :'interp_math.asinh',

'acosh' :'interp_math.acosh',

'atanh' :'interp_math.atanh',

'log1p' :'interp_math.log1p',

'expm1' :'interp_math.expm1',

'erf' :'interp_math.erf',

'erfc' :'interp_math.erfc',

'gamma' :'interp_math.gamma',

'lgamma' :'interp_math.lgamma',

}

importsys,math

INFINITY=1e200*1e200

NAN=abs(INFINITY/INFINITY)

defisinf(x):

returnx==INFINITY orx==-INFINITY

defisnan(v):

returnv!=v

defpositiveinf(x):

returnisinf(x)andx>0.0

defnegativeinf(x):

returnisinf(x)andx<0.0

deffinite(x):

returnnotisinf(x)andnotisnan(x)

unary_math_functions=['acos','asin','atan',

'ceil','cos','cosh','exp','fabs','floor',

'sin','sinh','sqrt','tan','tanh','log','log10',

'acosh','asinh','atanh','log1p','expm1']

binary_math_functions=['atan2','fmod','hypot','pow']

classMathTests:

REGCASES=[]

forname inunary_math_functions:

try:

input,output=(0.3,),getattr(math,name)(0.3)

exceptAttributeError:

# cannot test this function

continue

exceptValueError:

input,output=(1.3,),getattr(math,name)(1.3)

REGCASES.append((name,input,output))

IRREGCASES=[

('atan2',(0.31,0.123),math.atan2(0.31,0.123)),

('fmod', (0.31,0.123),math.fmod(0.31,0.123)),

('hypot',(0.31,0.123),math.hypot(0.31,0.123)),

('pow', (0.31,0.123),math.pow(0.31,0.123)),

('pow', (-0.31,0.123),ValueError),

('pow', (-0.5,2.0),0.25),

('pow', (-0.5,1.0),-0.5),

('pow', (-0.5,0.0),1.0),

('pow', (-0.5,-1.0),-2.0),

('ldexp',(3.375,2),13.5),

('ldexp',(1.0,-10000),0.0), # underflow

('frexp',(-1.25,),lambdax:x==(-0.625,1)),

('modf', (4.25,),lambdax:x==(0.25,4.0)),

('modf', (-4.25,),lambdax:x==(-0.25,-4.0)),

('copysign',(1.5,0.0),1.5),

('copysign',(1.5,-0.0),-1.5),

('copysign',(1.5,INFINITY),1.5),

('copysign',(1.5,-INFINITY),-1.5),

('copysign',(1.5,NAN),1.5),

('copysign',(1.75,-NAN),-1.75), # special case for -NAN here

]

OVFCASES=[

('cosh',(9999.9,),OverflowError),

('sinh',(9999.9,),OverflowError),

('exp',(9999.9,),OverflowError),

('pow',(10.0,40000.0),OverflowError),

('ldexp',(10.0,40000),OverflowError),

('log',(0.0,),ValueError),#cpython does it this way

('log1p',(-1.0,),OverflowError),

('log',(-1.,),ValueError),

('log10',(0.0,),ValueError),#cpython does it this way

]

INFCASES=[

('acos',(INFINITY,),ValueError),

('acos',(-INFINITY,),ValueError),

('asin',(INFINITY,),ValueError),

('asin',(-INFINITY,),ValueError),

('atan',(INFINITY,),math.pi/2),

('atan',(-INFINITY,),-math.pi/2),

('atanh',(INFINITY,),ValueError),

('atanh',(-INFINITY,),ValueError),

('ceil',(INFINITY,),positiveinf),

('ceil',(-INFINITY,),negativeinf),

('cos',(INFINITY,),ValueError),

('cos',(-INFINITY,),ValueError),

('cosh',(INFINITY,),positiveinf),

('cosh',(-INFINITY,),positiveinf),

('exp',(INFINITY,),positiveinf),

('exp',(-INFINITY,),0.0),

('fabs',(INFINITY,),positiveinf),

('fabs',(-INFINITY,),positiveinf),

('floor',(INFINITY,),positiveinf),

('floor',(-INFINITY,),negativeinf),

('sin',(INFINITY,),ValueError),

('sin',(-INFINITY,),ValueError),

('sinh',(INFINITY,),positiveinf),

('sinh',(-INFINITY,),negativeinf),

('sqrt',(INFINITY,),positiveinf),

('sqrt',(-INFINITY,),ValueError),

('tan',(INFINITY,),ValueError),

('tan',(-INFINITY,),ValueError),

('tanh',(INFINITY,),1.0),

('tanh',(-INFINITY,),-1.0),

('log',(INFINITY,),positiveinf),

('log',(-INFINITY,),ValueError),

('log10',(INFINITY,),positiveinf),

('log10',(-INFINITY,),ValueError),

('frexp',(INFINITY,),lambdax:isinf(x[0])),

('ldexp',(INFINITY,3),positiveinf),

('ldexp',(-INFINITY,3),negativeinf),

('modf', (INFINITY,),lambdax:positiveinf(x[1])),

('modf', (-INFINITY,),lambdax:negativeinf(x[1])),

('pow',(INFINITY,0.0),1.0),

('pow',(INFINITY,0.001),positiveinf),

('pow',(INFINITY,-0.001),0.0),

('pow',(-INFINITY,0.0),1.0),

('pow',(-INFINITY,0.001),positiveinf),

('pow',(-INFINITY,-0.001),0.0),

('pow',(-INFINITY,3.0),negativeinf),

('pow',(-INFINITY,6.0),positiveinf),

('pow',(-INFINITY,-13.0),-0.0),

('pow',(-INFINITY,-128.0),0.0),

('pow',(1.001,INFINITY),positiveinf),

('pow',(1.0, INFINITY),1.0),

('pow',(0.999,INFINITY),0.0),

('pow',(-0.999,INFINITY),0.0),

#('pow', (-1.0, INFINITY), 1.0, but strange, could also be -1.0),

('pow',(-1.001,INFINITY),positiveinf),

('pow',(1.001,-INFINITY),0.0),

('pow',(1.0, -INFINITY),1.0),

#('pow', (0.999, -INFINITY), positiveinf, but get OverflowError),

#('pow', (INFINITY, INFINITY), positiveinf, but get OverflowError),

('pow',(INFINITY,-INFINITY),0.0),

('pow',(-INFINITY,INFINITY),positiveinf),

]

IRREGERRCASES=[

('atan2',(INFINITY,-2.3),math.pi/2),

('atan2',(INFINITY,0.0),math.pi/2),

('atan2',(INFINITY,3.0),math.pi/2),

#('atan2', (INFINITY, INFINITY), ?strange),

('atan2',(2.1,INFINITY),0.0),

('atan2',(0.0,INFINITY),0.0),

('atan2',(-0.1,INFINITY),-0.0),

('atan2',(-INFINITY,0.4),-math.pi/2),

('atan2',(2.1,-INFINITY),math.pi),

('atan2',(0.0,-INFINITY),math.pi),

('atan2',(-0.1,-INFINITY),-math.pi),

('fmod',(INFINITY,1.0),ValueError),

('fmod',(1.0,INFINITY),1.0),

('fmod',(1.0,-INFINITY),1.0),

('fmod',(INFINITY,INFINITY),ValueError),

('hypot',(-INFINITY,1.0),positiveinf),

('hypot',(-2.3,-INFINITY),positiveinf),

]

binary_math_functions=['atan2','fmod','hypot','pow']

NANCASES1=[

(name,(NAN,),isnan)forname inunary_math_functions]

NANCASES2=[

(name,(NAN,0.1),isnan)forname inbinary_math_functions]

NANCASES3=[

(name,(-0.2,NAN),isnan)forname inbinary_math_functions]

NANCASES4=[

(name,(NAN,-INFINITY),isnan)forname inbinary_math_functions

ifname!='hypot']

NANCASES5=[

(name,(INFINITY,NAN),isnan)forname inbinary_math_functions

ifname!='hypot']

NANCASES6=[

('frexp',(NAN,),lambdax:isnan(x[0])),

('ldexp',(NAN,2),isnan),

('hypot',(NAN,INFINITY),positiveinf),

('hypot',(NAN,-INFINITY),positiveinf),

('hypot',(INFINITY,NAN),positiveinf),

('hypot',(-INFINITY,NAN),positiveinf),

('modf',(NAN,),lambdax:(isnan(x[0])andisnan(x[1]))),

]

# The list of test cases. Note that various tests import this,

# notably in rpython/lltypesystem/module and in translator/c/test.

TESTCASES=(REGCASES+IRREGCASES+OVFCASES+INFCASES+IRREGERRCASES

+NANCASES1+NANCASES2+NANCASES3+NANCASES4+NANCASES5

+NANCASES6)

defget_tester(expected):

iftype(expected)istype(Exception):

deftester(value):

returnFalse

elifcallable(expected):

deftester(value):

ok=expected(value)

assertisinstance(ok,bool)

returnok

else:

assertfinite(expected),"badly written test"

deftester(got):

gotsign=expectedsign=1

ifgot<0.0:gotsign=-gotsign

ifexpected<0.0:expectedsign=-expectedsign

returnfinite(got)and(got==expected and

gotsign==expectedsign)

returntester

منبع: blog.faradars.org