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ƒ n d S( s9 Tests for binary operators on subtypes of built-in types.iÿÿÿÿN( t test_supportc C s" x | r | | | } } q W| S( s1 Greatest common divisor using Euclid's algorithm.( ( t at b( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt gcd s c C s t | t ƒ p t | t ƒ S( s5 Test whether an object is an instance of int or long.( t
isinstancet intt long( t x( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt isint s c C s4 x- t t t t f D] } t | | ƒ r d Sq Wd S( sA Test whether an object is an instance of a built-in numeric type.i i ( R R t floatt complexR ( R t T( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt isnum s c C s
t | t ƒ S( s6 Test wheter an object is an instance of the Rat class.( R t Rat( R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt isRat s R
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„ Z e Z d „ Z d „ Z d „ Z e Z d „ Z e Z d „ Z e Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z! d Z" RS( s: Rational number implemented as a normalized pair of longs.t _Rat__numt _Rat__denl l c C s‰ t | ƒ s t d | ‚ n t | ƒ s8 t d | ‚ n | d k rP t d ‚ n t | | ƒ } t | | ƒ | _ t | | ƒ | _ d S( sd Constructor: Rat([num[, den]]).
The arguments must be ints or longs, and default to (0, 1).s& Rat numerator must be int or long (%r)s( Rat denominator must be int or long (%r)i s zero denominatorN( R t TypeErrort ZeroDivisionErrorR R R R ( t selft numt dent g( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __init__! s c C s | j S( s7 Accessor function for read-only 'num' attribute of Rat.( R ( R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt _get_num0 s c C s | j S( s7 Accessor function for read-only 'den' attribute of Rat.( R ( R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt _get_den5 s c C s d | j | j f S( s< Convert a Rat to a string resembling a Rat constructor call.s Rat(%d, %d)( R R ( R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __repr__: s c C s t t | ƒ ƒ S( s= Convert a Rat to a string resembling a decimal numeric value.( t strR ( R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __str__> s c C s | j d | j S( s Convert a Rat to a float.g ð?( R R ( R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __float__B s c C sa | j d k rJ y t | j ƒ SWqJ t k
rF t d t | ƒ ‚ qJ Xn t d t | ƒ ‚ d S( s, Convert a Rat to an int; self.den must be 1.i s %s too large to convert to ints can't convert %s to intN( R R R t
OverflowErrort reprt
ValueError( R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __int__F s
c C s3 | j d k r t | j ƒ St d t | ƒ ‚ d S( s, Convert a Rat to a long; self.den must be 1.i s can't convert %s to longN( R R R R R ( R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __long__P s
c C st t | ƒ r t | ƒ } n t | ƒ rV t | j | j | j | j | j | j ƒ St | ƒ rp t | ƒ | St S( s$ Add two Rats, or a Rat and a number.( R R
R R R R R t NotImplemented( R t other( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __add__V s c C st t | ƒ r t | ƒ } n t | ƒ rV t | j | j | j | j | j | j ƒ St | ƒ rp t | ƒ | St S( s) Subtract two Rats, or a Rat and a number.( R R
R R R R R R# ( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __sub__c s c C st t | ƒ r t | ƒ } n t | ƒ rV t | j | j | j | j | j | j ƒ St | ƒ rp | t | ƒ St S( s9 Subtract two Rats, or a Rat and a number (reversed args).( R R
R R R R R R# ( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __rsub__n s c C sn t | ƒ r- t | j | j | j | j ƒ St | ƒ rP t | j | | j ƒ St | ƒ rj t | ƒ | St S( s) Multiply two Rats, or a Rat and a number.( R R
R R R R R R# ( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __mul__y s ! c C sn t | ƒ r- t | j | j | j | j ƒ St | ƒ rP t | j | j | ƒ St | ƒ rj t | ƒ | St S( s' Divide two Rats, or a Rat and a number.( R R
R R R R R R# ( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __truediv__… s ! c C sn t | ƒ r- t | j | j | j | j ƒ St | ƒ rP t | | j | j ƒ St | ƒ rj | t | ƒ St S( s7 Divide two Rats, or a Rat and a number (reversed args).( R R
R R R R R R# ( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __rtruediv__‘ s ! c C sC t | ƒ r t | ƒ } n t | ƒ s+ t S| | } | j | j S( s. Divide two Rats, returning the floored result.( R R
R R# R R ( R R$ R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __floordiv__ s
c C s | | } | j | j S( s> Divide two Rats, returning the floored result (reversed args).( R R ( R R$ R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt
__rfloordiv__¦ s
c C sG t | ƒ r t | ƒ } n t | ƒ s+ t S| | } | | | | f S( s2 Divide two Rats, returning quotient and remainder.( R R
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__divmod__« s
c C s8 t | ƒ r t | ƒ } n t | ƒ s+ t St | | ƒ S( sB Divide two Rats, returning quotient and remainder (reversed args).( R R
R R# t divmod( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __rdivmod__´ s
c C s t | | ƒ d S( s Take one Rat modulo another.i ( R. ( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __mod__¼ s c C s t | | ƒ d S( s, Take one Rat modulo another (reversed args).i ( R. ( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __rmod__À s c C sv t | ƒ r( | j d k o' | j | k St | ƒ rV | j | j k oU | j | j k St | ƒ rr t | ƒ | k St S( s Compare two Rats for equality.i ( R R R R R R R# ( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __eq__Ä s " c C s | | k S( s Compare two Rats for inequality.( ( R R$ ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt __ne__Î s N(# t __name__t
__module__t __doc__t __slots__R R t propertyt NoneR R R R R R R! R" R% t __radd__R& R' R( t __rmul__R) t __div__R* t __rdiv__R+ R, R- R/ R0 R1 R2 R3 t __hash__( ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyR
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s3 Unit tests for Rat class and its support utilities.c C s[ | j t d d ƒ d ƒ | j t d d ƒ d ƒ | j t d d ƒ d ƒ | j t d d ƒ d ƒ | j t d d ƒ d
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l iñÿÿÿiþÿÿÿiöÿÿÿi i i s( Rat(1, 0) didn't raise ZeroDivisionErrort 0g y s Rat(%r) didn't raise TypeErrors! Rat(1, %r) didn't raise TypeError( ( R
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c B s e d Ud S( N( t future_test( R ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyt test_future_div7 s ( R4 R5 R6 RE RJ RK RL RM RN RO RP RR ( ( ( s+ /usr/local/lib/python2.7/test/test_binop.pyR? Õ s ' s
from __future__ import division
self.assertEqual(Rat(10, 3) / Rat(5, 7), Rat(14, 3))
self.assertEqual(Rat(10, 3) / 3, Rat(10, 9))
self.assertEqual(2 / Rat(5), Rat(2, 5))
self.assertEqual(3.0 * Rat(1, 2), 1.5)
self.assertEqual(Rat(1, 2) * 3.0, 1.5)
self.assertEqual(eval('1/2'), 0.5)
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