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  r73636 | mark.dickinson | 2009-06-28 21:59:42 +0100 (Sun, 28 Jun 2009) | 2 lines

  Issue #6354: More fixes for code examples involving the repr of a float.
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This commit is contained in:
Mark Dickinson 2009-06-28 21:00:42 +00:00
parent cf2d9ff3c5
commit d1cc39d3d8
6 changed files with 13 additions and 13 deletions

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@ -82,7 +82,7 @@ Number-theoretic and representation functions
loss of precision by tracking multiple intermediate partial sums::
>>> sum([.1, .1, .1, .1, .1, .1, .1, .1, .1, .1])
0.99999999999999989
0.9999999999999999
>>> fsum([.1, .1, .1, .1, .1, .1, .1, .1, .1, .1])
1.0

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@ -81,7 +81,7 @@ This example uses the iterator form::
>>> for row in c:
... print(row)
...
(u'2006-01-05', u'BUY', u'RHAT', 100, 35.140000000000001)
(u'2006-01-05', u'BUY', u'RHAT', 100, 35.14)
(u'2006-03-28', u'BUY', u'IBM', 1000, 45.0)
(u'2006-04-06', u'SELL', u'IBM', 500, 53.0)
(u'2006-04-05', u'BUY', u'MSOFT', 1000, 72.0)
@ -591,7 +591,7 @@ Now we plug :class:`Row` in::
>>> type(r)
<type 'sqlite3.Row'>
>>> r
(u'2006-01-05', u'BUY', u'RHAT', 100.0, 35.140000000000001)
(u'2006-01-05', u'BUY', u'RHAT', 100.0, 35.14)
>>> len(r)
5
>>> r[2]

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@ -881,7 +881,7 @@ Color control
>>> tup = (0.2, 0.8, 0.55)
>>> turtle.pencolor(tup)
>>> turtle.pencolor()
(0.20000000000000001, 0.80000000000000004, 0.5490196078431373)
(0.2, 0.8, 0.5490196078431373)
>>> colormode(255)
>>> turtle.pencolor()
(51, 204, 140)

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@ -52,10 +52,10 @@ Some examples::
'Hello, world.'
>>> repr(s)
"'Hello, world.'"
>>> str(0.1)
'0.1'
>>> repr(0.1)
'0.10000000000000001'
>>> str(1.0/7.0)
'0.142857142857'
>>> repr(1.0/7.0)
'0.14285714285714285'
>>> x = 10 * 3.25
>>> y = 200 * 200
>>> s = 'The value of x is ' + repr(x) + ', and y is ' + repr(y) + '...'

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@ -56,7 +56,7 @@ operators ``+``, ``-``, ``*`` and ``/`` work just like in most other languages
>>> (50-5*6)/4
5.0
>>> 8/5 # Fractions aren't lost when dividing integers
1.6000000000000001
1.6
Note: You might not see exactly the same result; floating point results can
differ from one machine to another. We will say more later about controlling

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@ -359,10 +359,10 @@ results in decimal floating point and binary floating point. The difference
becomes significant if the results are rounded to the nearest cent::
>>> from decimal import *
>>> Decimal('0.70') * Decimal('1.05')
Decimal("0.7350")
>>> .70 * 1.05
0.73499999999999999
>>> round(Decimal('0.70') * Decimal('1.05'), 2)
Decimal('0.74')
>>> round(.70 * 1.05, 2)
0.73
The :class:`Decimal` result keeps a trailing zero, automatically inferring four
place significance from multiplicands with two place significance. Decimal