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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