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ƒ n d S( s9 Tests for binary operators on subtypes of built-in types.N( s test_supportc C s$ x | o | | | } } q W| S( s1 Greatest common divisor using Euclid's algorithm.N( t at b( R R ( ( t% /usr/lib/python2.4/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.N( t
isinstancet xt intt long( R ( ( R t isint s c C s9 x2 t t t t f D] } t | | ƒ o d Sq q Wd S( sA Test whether an object is an instance of a built-in numeric type.i i N( R R t floatt complext TR R ( R R ( ( R t isnum s c C s
t | t ƒ S( s6 Test wheter an object is an instance of the Rat class.N( R R t Rat( R ( ( R t 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! RS( s: Rational number implemented as a normalized pair of longs.t _Rat__numt _Rat__denl l c C s t | ƒ p t d | ‚ n t | ƒ p t d | ‚ n | d j o
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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 numt TypeErrort dent ZeroDivisionErrorR t gR t selfR R ( R R R R ( ( R t __init__! s
c C s | i S( s7 Accessor function for read-only 'num' attribute of Rat.N( R R ( R ( ( R t _get_num0 s c C s | i S( s7 Accessor function for read-only 'den' attribute of Rat.N( R R ( R ( ( R t _get_den5 s c C s d | i | i f S( s= Convert a Rat to an string resembling a Rat constructor call.s Rat(%d, %d)N( R R R ( R ( ( R t __repr__: s c C s t t | ƒ ƒ S( s= Convert a Rat to a string resembling a decimal numeric value.N( t strR R ( R ( ( R t __str__> s c C s | i d | i S( s Convert a Rat to a float.f1.0N( R R R ( R ( ( R t __float__B s c C se | i d j o> y t | i ƒ SWqN t j
o t d t | ƒ ‚ qN 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 R t
OverflowErrort reprt
ValueError( R ( ( R t __int__F s c C s8 | i d j o t | i ƒ Sn t d t | ƒ ‚ d S( s- Convert a Rat to an long; self.den must be 1.i s can't convert %s to longN( R R R R R R ( R ( ( R t __long__P s c C s€ t | ƒ o t | ƒ } n t | ƒ o3 t | i | i | i | i | i | i ƒ Sn t | ƒ o t | ƒ | Sn t S( s$ Add two Rats, or a Rat and a number.N(
R t otherR
R R R R R R t NotImplemented( R R# ( ( R t __add__V s
c C s€ t | ƒ o t | ƒ } n t | ƒ o3 t | i | i | i | i | i | i ƒ Sn t | ƒ o t | ƒ | Sn t S( s) Subtract two Rats, or a Rat and a number.N(
R R# R
R R R R R R R$ ( R R# ( ( R t __sub__c s
c C s€ t | ƒ o t | ƒ } n t | ƒ o3 t | i | i | i | i | i | i ƒ Sn t | ƒ o | t | ƒ Sn t S( s9 Subtract two Rats, or a Rat and a number (reversed args).N(
R R# R
R R R R R R R$ ( R R# ( ( R t __rsub__n s
c C s} t | ƒ o% t | i | i | i | i ƒ Sn t | ƒ o t | i | | i ƒ Sn t | ƒ o t | ƒ | Sn t S( s) Multiply two Rats, or a Rat and a number.N(
R R# R
R R R R R R R$ ( R R# ( ( R t __mul__y s
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c C s} t | ƒ o% t | i | i | i | i ƒ Sn t | ƒ o t | i | i | ƒ Sn t | ƒ o t | ƒ | Sn t S( s' Divide two Rats, or a Rat and a number.N(
R R# R
R R R R R R R$ ( R R# ( ( R t __truediv__… s
%
c C s} t | ƒ o% t | i | i | i | i ƒ Sn t | ƒ o t | | i | i ƒ Sn t | ƒ o | t | ƒ Sn t S( s7 Divide two Rats, or a Rat and a number (reversed args).N(
R R# R
R R R R R R R$ ( R R# ( ( R t __rtruediv__‘ s
%
c C sJ t | ƒ o t | ƒ } n t | ƒ p t Sn | | } | i | i S( s. Divide two Rats, returning the floored result.N( R R# R
R R$ R R R R ( R R# R ( ( R t __floordiv__ s
c C s | | } | i | i S( s> Divide two Rats, returning the floored result (reversed args).N( R# R R R R ( R R# R ( ( R t
__rfloordiv__¦ s
c C sN t | ƒ o t | ƒ } n t | ƒ p t Sn | | } | | | | f S( s2 Divide two Rats, returning quotient and remainder.N( R R# R
R R$ R R ( R R# R ( ( R t
__divmod__« s
c C s? t | ƒ o t | ƒ } n t | ƒ p t Sn t | | ƒ S( sB Divide two Rats, returning quotient and remainder (reversed args).N( R R# R
R R$ t divmodR ( R R# ( ( R t __rdivmod__´ s
c C s t | | ƒ d S( s Take one Rat modulo another.i N( R. R R# ( R R# ( ( R t __mod__¼ s c C s t | | ƒ d S( s, Take one Rat modulo another (reversed args).i N( R. R# R ( R R# ( ( R t __rmod__À s c C s‡ t | ƒ o! | i d j o
| i | j Sn t | ƒ o' | i | i j o | i | i j Sn t | ƒ o t | ƒ | j Sn t S( s Compare two Rats for equality.i N( R R# R R R R R R R$ ( R R# ( ( R t __eq__Ä s
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c C s | | j S( s Compare two Rats for inequality.N( R R# ( R R# ( ( R t __ne__Î s (" 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 ( ( ( R R
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t RatTestCasec B s_ t Z d Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z
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s3 Unit tests for Rat class and its support utilities.c C s[ | i t d d ƒ d ƒ | i t d d ƒ d ƒ | i t d d ƒ d ƒ | i t d d ƒ d ƒ | i t d d ƒ d
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i i i i i i id iöÿÿÿiþÿÿÿi i ( R t assertEqualR t ranget it jt assert_( R RA RB ( ( R t test_gcdÕ s c C s t d d ƒ } | i | i d ƒ | i | i d ƒ t d d ƒ } | i | i d ƒ | i | i d ƒ t d d ƒ } | i | i d ƒ | i | i d ƒ t d d ƒ } | i | i d ƒ | i | i d ƒ t d d ƒ } | i | i d ƒ | i | i d ƒ t d
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l iñÿÿÿiþÿÿÿiöÿÿÿi i i s( Rat(1, 0) didn't raise ZeroDivisionErrort 0f0.0x0.00.0s Rat(%r) didn't raise TypeErrors! Rat(1, %r) didn't raise TypeError( R
R R R? R R R t failR9 t unittestt badR ( R R RH ( ( R t test_constructorä sF
" c C s° | i t d d ƒ t d d ƒ d ƒ | i t d d ƒ d t d d ƒ ƒ | i d t d d ƒ t d d ƒ ƒ | i d t d d ƒ d ƒ | i t d d ƒ d d ƒ d S( Ni i i i f1.0f1.5( R R? R
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/&& c C s§ | i t d d ƒ t d d ƒ t d d ƒ ƒ | i t d d ƒ d d ƒ | i d t d d ƒ d ƒ | i t d d ƒ d d ƒ | i d t d d ƒ d ƒ d S( Ni i i i i
i f0.5f1.0( R R? R
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/ c C s¶ | i t d d ƒ t d d ƒ t d d ƒ ƒ | i t d d ƒ d t d d ƒ ƒ | i d t d ƒ t d d ƒ ƒ | i d t d d ƒ d
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i i i i i i f3.0i f1.5( R R? R
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/&# c C s~ | i t d ƒ t d ƒ d ƒ | i t d d ƒ t d d ƒ d ƒ | i t d ƒ d d ƒ | i d t d ƒ d ƒ d S( Ni
i i i ( R R? R
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test_floordiv' s &c C s{ | i t d ƒ t d d ƒ ƒ | i t d ƒ d ƒ | i d t d ƒ ƒ | i t d ƒ d ƒ | i d t d ƒ ƒ d S( Ni
i i f10.0( R R? R
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c B s e d Ud S( N( t future_test( R ( ( R t test_future_div4 s ( R4 R5 R6 RD RI RJ RK RL RM RN RO RQ ( ( ( R R> Ò 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)
c C s t i t ƒ d S( N( t test_supportt run_unittestR> ( ( ( R t test_mainC s t __main__( R6 RG t testRR R R R R t objectR
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