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Fix decimal repr which should have used single quotes like other reprs.
This commit is contained in:
parent
ddb164a651
commit
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3 changed files with 334 additions and 334 deletions
484
Lib/decimal.py
484
Lib/decimal.py
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@ -35,26 +35,26 @@ issues associated with binary floating point. The package is especially
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useful for financial applications or for contexts where users have
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expectations that are at odds with binary floating point (for instance,
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in binary floating point, 1.00 % 0.1 gives 0.09999999999999995 instead
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of the expected Decimal("0.00") returned by decimal floating point).
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of the expected Decimal('0.00') returned by decimal floating point).
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Here are some examples of using the decimal module:
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>>> from decimal import *
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>>> setcontext(ExtendedContext)
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>>> Decimal(0)
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Decimal("0")
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>>> Decimal("1")
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Decimal("1")
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>>> Decimal("-.0123")
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Decimal("-0.0123")
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Decimal('0')
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>>> Decimal('1')
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Decimal('1')
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>>> Decimal('-.0123')
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Decimal('-0.0123')
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>>> Decimal(123456)
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Decimal("123456")
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>>> Decimal("123.45e12345678901234567890")
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Decimal("1.2345E+12345678901234567892")
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>>> Decimal("1.33") + Decimal("1.27")
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Decimal("2.60")
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>>> Decimal("12.34") + Decimal("3.87") - Decimal("18.41")
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Decimal("-2.20")
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Decimal('123456')
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>>> Decimal('123.45e12345678901234567890')
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Decimal('1.2345E+12345678901234567892')
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>>> Decimal('1.33') + Decimal('1.27')
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Decimal('2.60')
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>>> Decimal('12.34') + Decimal('3.87') - Decimal('18.41')
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Decimal('-2.20')
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>>> dig = Decimal(1)
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>>> print dig / Decimal(3)
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0.333333333
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@ -91,7 +91,7 @@ DivisionByZero: x / 0
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>>> print c.flags[InvalidOperation]
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0
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>>> c.divide(Decimal(0), Decimal(0))
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Decimal("NaN")
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Decimal('NaN')
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>>> c.traps[InvalidOperation] = 1
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>>> print c.flags[InvalidOperation]
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1
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@ -516,15 +516,15 @@ class Decimal(object):
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"""Create a decimal point instance.
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>>> Decimal('3.14') # string input
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Decimal("3.14")
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Decimal('3.14')
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>>> Decimal((0, (3, 1, 4), -2)) # tuple (sign, digit_tuple, exponent)
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Decimal("3.14")
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Decimal('3.14')
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>>> Decimal(314) # int or long
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Decimal("314")
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Decimal('314')
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>>> Decimal(Decimal(314)) # another decimal instance
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Decimal("314")
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Decimal('314')
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>>> Decimal(' 3.14 \\n') # leading and trailing whitespace okay
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Decimal("3.14")
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Decimal('3.14')
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"""
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# Note that the coefficient, self._int, is actually stored as
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@ -883,7 +883,7 @@ class Decimal(object):
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#
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# The hash of a nonspecial noninteger Decimal must depend only
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# on the value of that Decimal, and not on its representation.
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# For example: hash(Decimal("100E-1")) == hash(Decimal("10")).
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# For example: hash(Decimal('100E-1')) == hash(Decimal('10')).
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if self._is_special:
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if self._isnan():
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raise TypeError('Cannot hash a NaN value.')
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@ -917,7 +917,7 @@ class Decimal(object):
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def __repr__(self):
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"""Represents the number as an instance of Decimal."""
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# Invariant: eval(repr(d)) == d
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return 'Decimal("%s")' % str(self)
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return "Decimal('%s')" % str(self)
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def __str__(self, eng=False, context=None):
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"""Return string representation of the number in scientific notation.
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@ -3647,13 +3647,13 @@ class Context(object):
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the plus operation on the operand.
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>>> ExtendedContext.abs(Decimal('2.1'))
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Decimal("2.1")
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Decimal('2.1')
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>>> ExtendedContext.abs(Decimal('-100'))
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Decimal("100")
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Decimal('100')
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>>> ExtendedContext.abs(Decimal('101.5'))
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Decimal("101.5")
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Decimal('101.5')
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>>> ExtendedContext.abs(Decimal('-101.5'))
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Decimal("101.5")
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Decimal('101.5')
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"""
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return a.__abs__(context=self)
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@ -3661,9 +3661,9 @@ class Context(object):
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"""Return the sum of the two operands.
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>>> ExtendedContext.add(Decimal('12'), Decimal('7.00'))
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Decimal("19.00")
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Decimal('19.00')
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>>> ExtendedContext.add(Decimal('1E+2'), Decimal('1.01E+4'))
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Decimal("1.02E+4")
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Decimal('1.02E+4')
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"""
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return a.__add__(b, context=self)
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@ -3677,7 +3677,7 @@ class Context(object):
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received object already is in its canonical form.
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>>> ExtendedContext.canonical(Decimal('2.50'))
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Decimal("2.50")
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Decimal('2.50')
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"""
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return a.canonical(context=self)
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@ -3696,17 +3696,17 @@ class Context(object):
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zero or negative zero, or '1' if the result is greater than zero.
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>>> ExtendedContext.compare(Decimal('2.1'), Decimal('3'))
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Decimal("-1")
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Decimal('-1')
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>>> ExtendedContext.compare(Decimal('2.1'), Decimal('2.1'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.compare(Decimal('2.1'), Decimal('2.10'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.compare(Decimal('3'), Decimal('2.1'))
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Decimal("1")
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Decimal('1')
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>>> ExtendedContext.compare(Decimal('2.1'), Decimal('-3'))
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Decimal("1")
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Decimal('1')
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>>> ExtendedContext.compare(Decimal('-3'), Decimal('2.1'))
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Decimal("-1")
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Decimal('-1')
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"""
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return a.compare(b, context=self)
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@ -3718,21 +3718,21 @@ class Context(object):
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>>> c = ExtendedContext
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>>> c.compare_signal(Decimal('2.1'), Decimal('3'))
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Decimal("-1")
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Decimal('-1')
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>>> c.compare_signal(Decimal('2.1'), Decimal('2.1'))
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Decimal("0")
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Decimal('0')
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>>> c.flags[InvalidOperation] = 0
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>>> print c.flags[InvalidOperation]
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0
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>>> c.compare_signal(Decimal('NaN'), Decimal('2.1'))
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Decimal("NaN")
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Decimal('NaN')
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>>> print c.flags[InvalidOperation]
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1
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>>> c.flags[InvalidOperation] = 0
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>>> print c.flags[InvalidOperation]
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0
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>>> c.compare_signal(Decimal('sNaN'), Decimal('2.1'))
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Decimal("NaN")
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Decimal('NaN')
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>>> print c.flags[InvalidOperation]
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1
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"""
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@ -3746,17 +3746,17 @@ class Context(object):
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representations.
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>>> ExtendedContext.compare_total(Decimal('12.73'), Decimal('127.9'))
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Decimal("-1")
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Decimal('-1')
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>>> ExtendedContext.compare_total(Decimal('-127'), Decimal('12'))
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Decimal("-1")
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Decimal('-1')
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>>> ExtendedContext.compare_total(Decimal('12.30'), Decimal('12.3'))
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Decimal("-1")
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Decimal('-1')
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>>> ExtendedContext.compare_total(Decimal('12.30'), Decimal('12.30'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.compare_total(Decimal('12.3'), Decimal('12.300'))
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Decimal("1")
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Decimal('1')
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>>> ExtendedContext.compare_total(Decimal('12.3'), Decimal('NaN'))
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Decimal("-1")
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Decimal('-1')
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"""
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return a.compare_total(b)
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@ -3771,9 +3771,9 @@ class Context(object):
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"""Returns a copy of the operand with the sign set to 0.
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>>> ExtendedContext.copy_abs(Decimal('2.1'))
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Decimal("2.1")
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Decimal('2.1')
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>>> ExtendedContext.copy_abs(Decimal('-100'))
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Decimal("100")
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Decimal('100')
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"""
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return a.copy_abs()
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@ -3781,9 +3781,9 @@ class Context(object):
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"""Returns a copy of the decimal objet.
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>>> ExtendedContext.copy_decimal(Decimal('2.1'))
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Decimal("2.1")
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Decimal('2.1')
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>>> ExtendedContext.copy_decimal(Decimal('-1.00'))
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Decimal("-1.00")
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Decimal('-1.00')
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"""
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return Decimal(a)
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@ -3791,9 +3791,9 @@ class Context(object):
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"""Returns a copy of the operand with the sign inverted.
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>>> ExtendedContext.copy_negate(Decimal('101.5'))
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Decimal("-101.5")
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Decimal('-101.5')
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>>> ExtendedContext.copy_negate(Decimal('-101.5'))
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Decimal("101.5")
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Decimal('101.5')
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"""
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return a.copy_negate()
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@ -3804,13 +3804,13 @@ class Context(object):
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equal to the sign of the second operand.
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>>> ExtendedContext.copy_sign(Decimal( '1.50'), Decimal('7.33'))
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Decimal("1.50")
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Decimal('1.50')
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>>> ExtendedContext.copy_sign(Decimal('-1.50'), Decimal('7.33'))
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Decimal("1.50")
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Decimal('1.50')
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>>> ExtendedContext.copy_sign(Decimal( '1.50'), Decimal('-7.33'))
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Decimal("-1.50")
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Decimal('-1.50')
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>>> ExtendedContext.copy_sign(Decimal('-1.50'), Decimal('-7.33'))
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Decimal("-1.50")
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Decimal('-1.50')
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"""
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return a.copy_sign(b)
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@ -3818,25 +3818,25 @@ class Context(object):
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"""Decimal division in a specified context.
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>>> ExtendedContext.divide(Decimal('1'), Decimal('3'))
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Decimal("0.333333333")
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Decimal('0.333333333')
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>>> ExtendedContext.divide(Decimal('2'), Decimal('3'))
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Decimal("0.666666667")
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Decimal('0.666666667')
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>>> ExtendedContext.divide(Decimal('5'), Decimal('2'))
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Decimal("2.5")
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Decimal('2.5')
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>>> ExtendedContext.divide(Decimal('1'), Decimal('10'))
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Decimal("0.1")
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Decimal('0.1')
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>>> ExtendedContext.divide(Decimal('12'), Decimal('12'))
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Decimal("1")
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Decimal('1')
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>>> ExtendedContext.divide(Decimal('8.00'), Decimal('2'))
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Decimal("4.00")
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Decimal('4.00')
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>>> ExtendedContext.divide(Decimal('2.400'), Decimal('2.0'))
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Decimal("1.20")
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Decimal('1.20')
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>>> ExtendedContext.divide(Decimal('1000'), Decimal('100'))
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Decimal("10")
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Decimal('10')
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>>> ExtendedContext.divide(Decimal('1000'), Decimal('1'))
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Decimal("1000")
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Decimal('1000')
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>>> ExtendedContext.divide(Decimal('2.40E+6'), Decimal('2'))
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Decimal("1.20E+6")
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Decimal('1.20E+6')
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"""
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return a.__div__(b, context=self)
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@ -3844,11 +3844,11 @@ class Context(object):
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"""Divides two numbers and returns the integer part of the result.
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>>> ExtendedContext.divide_int(Decimal('2'), Decimal('3'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.divide_int(Decimal('10'), Decimal('3'))
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Decimal("3")
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Decimal('3')
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>>> ExtendedContext.divide_int(Decimal('1'), Decimal('0.3'))
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Decimal("3")
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Decimal('3')
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"""
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return a.__floordiv__(b, context=self)
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@ -3862,17 +3862,17 @@ class Context(object):
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>>> c.Emin = -999
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>>> c.Emax = 999
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>>> c.exp(Decimal('-Infinity'))
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Decimal("0")
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Decimal('0')
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>>> c.exp(Decimal('-1'))
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Decimal("0.367879441")
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Decimal('0.367879441')
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>>> c.exp(Decimal('0'))
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Decimal("1")
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Decimal('1')
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>>> c.exp(Decimal('1'))
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Decimal("2.71828183")
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Decimal('2.71828183')
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>>> c.exp(Decimal('0.693147181'))
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Decimal("2.00000000")
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Decimal('2.00000000')
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>>> c.exp(Decimal('+Infinity'))
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Decimal("Infinity")
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Decimal('Infinity')
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"""
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return a.exp(context=self)
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@ -3884,11 +3884,11 @@ class Context(object):
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multiplication, using add, all with only one final rounding.
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>>> ExtendedContext.fma(Decimal('3'), Decimal('5'), Decimal('7'))
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Decimal("22")
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Decimal('22')
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>>> ExtendedContext.fma(Decimal('3'), Decimal('-5'), Decimal('7'))
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Decimal("-8")
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Decimal('-8')
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>>> ExtendedContext.fma(Decimal('888565290'), Decimal('1557.96930'), Decimal('-86087.7578'))
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Decimal("1.38435736E+12")
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Decimal('1.38435736E+12')
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"""
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return a.fma(b, c, context=self)
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@ -4042,15 +4042,15 @@ class Context(object):
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>>> c.Emin = -999
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>>> c.Emax = 999
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>>> c.ln(Decimal('0'))
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Decimal("-Infinity")
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Decimal('-Infinity')
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>>> c.ln(Decimal('1.000'))
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Decimal("0")
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Decimal('0')
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>>> c.ln(Decimal('2.71828183'))
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Decimal("1.00000000")
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Decimal('1.00000000')
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>>> c.ln(Decimal('10'))
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Decimal("2.30258509")
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Decimal('2.30258509')
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>>> c.ln(Decimal('+Infinity'))
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Decimal("Infinity")
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Decimal('Infinity')
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"""
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return a.ln(context=self)
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@ -4061,19 +4061,19 @@ class Context(object):
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>>> c.Emin = -999
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>>> c.Emax = 999
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>>> c.log10(Decimal('0'))
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Decimal("-Infinity")
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Decimal('-Infinity')
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>>> c.log10(Decimal('0.001'))
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Decimal("-3")
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Decimal('-3')
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>>> c.log10(Decimal('1.000'))
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Decimal("0")
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Decimal('0')
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>>> c.log10(Decimal('2'))
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Decimal("0.301029996")
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Decimal('0.301029996')
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>>> c.log10(Decimal('10'))
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Decimal("1")
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Decimal('1')
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>>> c.log10(Decimal('70'))
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Decimal("1.84509804")
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Decimal('1.84509804')
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>>> c.log10(Decimal('+Infinity'))
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Decimal("Infinity")
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Decimal('Infinity')
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"""
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return a.log10(context=self)
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@ -4086,13 +4086,13 @@ class Context(object):
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value of that digit and without limiting the resulting exponent).
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>>> ExtendedContext.logb(Decimal('250'))
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Decimal("2")
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Decimal('2')
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>>> ExtendedContext.logb(Decimal('2.50'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.logb(Decimal('0.03'))
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Decimal("-2")
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Decimal('-2')
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>>> ExtendedContext.logb(Decimal('0'))
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Decimal("-Infinity")
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Decimal('-Infinity')
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"""
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return a.logb(context=self)
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@ -4102,17 +4102,17 @@ class Context(object):
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The operands must be both logical numbers.
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>>> ExtendedContext.logical_and(Decimal('0'), Decimal('0'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.logical_and(Decimal('0'), Decimal('1'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.logical_and(Decimal('1'), Decimal('0'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.logical_and(Decimal('1'), Decimal('1'))
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Decimal("1")
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Decimal('1')
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>>> ExtendedContext.logical_and(Decimal('1100'), Decimal('1010'))
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Decimal("1000")
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Decimal('1000')
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>>> ExtendedContext.logical_and(Decimal('1111'), Decimal('10'))
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Decimal("10")
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Decimal('10')
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"""
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return a.logical_and(b, context=self)
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@ -4122,13 +4122,13 @@ class Context(object):
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The operand must be a logical number.
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>>> ExtendedContext.logical_invert(Decimal('0'))
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Decimal("111111111")
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Decimal('111111111')
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>>> ExtendedContext.logical_invert(Decimal('1'))
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Decimal("111111110")
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Decimal('111111110')
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>>> ExtendedContext.logical_invert(Decimal('111111111'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.logical_invert(Decimal('101010101'))
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Decimal("10101010")
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Decimal('10101010')
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"""
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return a.logical_invert(context=self)
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@ -4138,17 +4138,17 @@ class Context(object):
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The operands must be both logical numbers.
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>>> ExtendedContext.logical_or(Decimal('0'), Decimal('0'))
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Decimal("0")
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Decimal('0')
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>>> ExtendedContext.logical_or(Decimal('0'), Decimal('1'))
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Decimal("1")
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Decimal('1')
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>>> ExtendedContext.logical_or(Decimal('1'), Decimal('0'))
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Decimal("1")
|
||||
Decimal('1')
|
||||
>>> ExtendedContext.logical_or(Decimal('1'), Decimal('1'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> ExtendedContext.logical_or(Decimal('1100'), Decimal('1010'))
|
||||
Decimal("1110")
|
||||
Decimal('1110')
|
||||
>>> ExtendedContext.logical_or(Decimal('1110'), Decimal('10'))
|
||||
Decimal("1110")
|
||||
Decimal('1110')
|
||||
"""
|
||||
return a.logical_or(b, context=self)
|
||||
|
||||
|
@ -4158,17 +4158,17 @@ class Context(object):
|
|||
The operands must be both logical numbers.
|
||||
|
||||
>>> ExtendedContext.logical_xor(Decimal('0'), Decimal('0'))
|
||||
Decimal("0")
|
||||
Decimal('0')
|
||||
>>> ExtendedContext.logical_xor(Decimal('0'), Decimal('1'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> ExtendedContext.logical_xor(Decimal('1'), Decimal('0'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> ExtendedContext.logical_xor(Decimal('1'), Decimal('1'))
|
||||
Decimal("0")
|
||||
Decimal('0')
|
||||
>>> ExtendedContext.logical_xor(Decimal('1100'), Decimal('1010'))
|
||||
Decimal("110")
|
||||
Decimal('110')
|
||||
>>> ExtendedContext.logical_xor(Decimal('1111'), Decimal('10'))
|
||||
Decimal("1101")
|
||||
Decimal('1101')
|
||||
"""
|
||||
return a.logical_xor(b, context=self)
|
||||
|
||||
|
@ -4182,13 +4182,13 @@ class Context(object):
|
|||
infinity) of the two operands is chosen as the result.
|
||||
|
||||
>>> ExtendedContext.max(Decimal('3'), Decimal('2'))
|
||||
Decimal("3")
|
||||
Decimal('3')
|
||||
>>> ExtendedContext.max(Decimal('-10'), Decimal('3'))
|
||||
Decimal("3")
|
||||
Decimal('3')
|
||||
>>> ExtendedContext.max(Decimal('1.0'), Decimal('1'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> ExtendedContext.max(Decimal('7'), Decimal('NaN'))
|
||||
Decimal("7")
|
||||
Decimal('7')
|
||||
"""
|
||||
return a.max(b, context=self)
|
||||
|
||||
|
@ -4206,13 +4206,13 @@ class Context(object):
|
|||
infinity) of the two operands is chosen as the result.
|
||||
|
||||
>>> ExtendedContext.min(Decimal('3'), Decimal('2'))
|
||||
Decimal("2")
|
||||
Decimal('2')
|
||||
>>> ExtendedContext.min(Decimal('-10'), Decimal('3'))
|
||||
Decimal("-10")
|
||||
Decimal('-10')
|
||||
>>> ExtendedContext.min(Decimal('1.0'), Decimal('1'))
|
||||
Decimal("1.0")
|
||||
Decimal('1.0')
|
||||
>>> ExtendedContext.min(Decimal('7'), Decimal('NaN'))
|
||||
Decimal("7")
|
||||
Decimal('7')
|
||||
"""
|
||||
return a.min(b, context=self)
|
||||
|
||||
|
@ -4228,9 +4228,9 @@ class Context(object):
|
|||
has the same exponent as the operand.
|
||||
|
||||
>>> ExtendedContext.minus(Decimal('1.3'))
|
||||
Decimal("-1.3")
|
||||
Decimal('-1.3')
|
||||
>>> ExtendedContext.minus(Decimal('-1.3'))
|
||||
Decimal("1.3")
|
||||
Decimal('1.3')
|
||||
"""
|
||||
return a.__neg__(context=self)
|
||||
|
||||
|
@ -4243,15 +4243,15 @@ class Context(object):
|
|||
of the two operands.
|
||||
|
||||
>>> ExtendedContext.multiply(Decimal('1.20'), Decimal('3'))
|
||||
Decimal("3.60")
|
||||
Decimal('3.60')
|
||||
>>> ExtendedContext.multiply(Decimal('7'), Decimal('3'))
|
||||
Decimal("21")
|
||||
Decimal('21')
|
||||
>>> ExtendedContext.multiply(Decimal('0.9'), Decimal('0.8'))
|
||||
Decimal("0.72")
|
||||
Decimal('0.72')
|
||||
>>> ExtendedContext.multiply(Decimal('0.9'), Decimal('-0'))
|
||||
Decimal("-0.0")
|
||||
Decimal('-0.0')
|
||||
>>> ExtendedContext.multiply(Decimal('654321'), Decimal('654321'))
|
||||
Decimal("4.28135971E+11")
|
||||
Decimal('4.28135971E+11')
|
||||
"""
|
||||
return a.__mul__(b, context=self)
|
||||
|
||||
|
@ -4262,13 +4262,13 @@ class Context(object):
|
|||
>>> c.Emin = -999
|
||||
>>> c.Emax = 999
|
||||
>>> ExtendedContext.next_minus(Decimal('1'))
|
||||
Decimal("0.999999999")
|
||||
Decimal('0.999999999')
|
||||
>>> c.next_minus(Decimal('1E-1007'))
|
||||
Decimal("0E-1007")
|
||||
Decimal('0E-1007')
|
||||
>>> ExtendedContext.next_minus(Decimal('-1.00000003'))
|
||||
Decimal("-1.00000004")
|
||||
Decimal('-1.00000004')
|
||||
>>> c.next_minus(Decimal('Infinity'))
|
||||
Decimal("9.99999999E+999")
|
||||
Decimal('9.99999999E+999')
|
||||
"""
|
||||
return a.next_minus(context=self)
|
||||
|
||||
|
@ -4279,13 +4279,13 @@ class Context(object):
|
|||
>>> c.Emin = -999
|
||||
>>> c.Emax = 999
|
||||
>>> ExtendedContext.next_plus(Decimal('1'))
|
||||
Decimal("1.00000001")
|
||||
Decimal('1.00000001')
|
||||
>>> c.next_plus(Decimal('-1E-1007'))
|
||||
Decimal("-0E-1007")
|
||||
Decimal('-0E-1007')
|
||||
>>> ExtendedContext.next_plus(Decimal('-1.00000003'))
|
||||
Decimal("-1.00000002")
|
||||
Decimal('-1.00000002')
|
||||
>>> c.next_plus(Decimal('-Infinity'))
|
||||
Decimal("-9.99999999E+999")
|
||||
Decimal('-9.99999999E+999')
|
||||
"""
|
||||
return a.next_plus(context=self)
|
||||
|
||||
|
@ -4301,19 +4301,19 @@ class Context(object):
|
|||
>>> c.Emin = -999
|
||||
>>> c.Emax = 999
|
||||
>>> c.next_toward(Decimal('1'), Decimal('2'))
|
||||
Decimal("1.00000001")
|
||||
Decimal('1.00000001')
|
||||
>>> c.next_toward(Decimal('-1E-1007'), Decimal('1'))
|
||||
Decimal("-0E-1007")
|
||||
Decimal('-0E-1007')
|
||||
>>> c.next_toward(Decimal('-1.00000003'), Decimal('0'))
|
||||
Decimal("-1.00000002")
|
||||
Decimal('-1.00000002')
|
||||
>>> c.next_toward(Decimal('1'), Decimal('0'))
|
||||
Decimal("0.999999999")
|
||||
Decimal('0.999999999')
|
||||
>>> c.next_toward(Decimal('1E-1007'), Decimal('-100'))
|
||||
Decimal("0E-1007")
|
||||
Decimal('0E-1007')
|
||||
>>> c.next_toward(Decimal('-1.00000003'), Decimal('-10'))
|
||||
Decimal("-1.00000004")
|
||||
Decimal('-1.00000004')
|
||||
>>> c.next_toward(Decimal('0.00'), Decimal('-0.0000'))
|
||||
Decimal("-0.00")
|
||||
Decimal('-0.00')
|
||||
"""
|
||||
return a.next_toward(b, context=self)
|
||||
|
||||
|
@ -4324,17 +4324,17 @@ class Context(object):
|
|||
result.
|
||||
|
||||
>>> ExtendedContext.normalize(Decimal('2.1'))
|
||||
Decimal("2.1")
|
||||
Decimal('2.1')
|
||||
>>> ExtendedContext.normalize(Decimal('-2.0'))
|
||||
Decimal("-2")
|
||||
Decimal('-2')
|
||||
>>> ExtendedContext.normalize(Decimal('1.200'))
|
||||
Decimal("1.2")
|
||||
Decimal('1.2')
|
||||
>>> ExtendedContext.normalize(Decimal('-120'))
|
||||
Decimal("-1.2E+2")
|
||||
Decimal('-1.2E+2')
|
||||
>>> ExtendedContext.normalize(Decimal('120.00'))
|
||||
Decimal("1.2E+2")
|
||||
Decimal('1.2E+2')
|
||||
>>> ExtendedContext.normalize(Decimal('0.00'))
|
||||
Decimal("0")
|
||||
Decimal('0')
|
||||
"""
|
||||
return a.normalize(context=self)
|
||||
|
||||
|
@ -4393,9 +4393,9 @@ class Context(object):
|
|||
has the same exponent as the operand.
|
||||
|
||||
>>> ExtendedContext.plus(Decimal('1.3'))
|
||||
Decimal("1.3")
|
||||
Decimal('1.3')
|
||||
>>> ExtendedContext.plus(Decimal('-1.3'))
|
||||
Decimal("-1.3")
|
||||
Decimal('-1.3')
|
||||
"""
|
||||
return a.__pos__(context=self)
|
||||
|
||||
|
@ -4425,46 +4425,46 @@ class Context(object):
|
|||
>>> c.Emin = -999
|
||||
>>> c.Emax = 999
|
||||
>>> c.power(Decimal('2'), Decimal('3'))
|
||||
Decimal("8")
|
||||
Decimal('8')
|
||||
>>> c.power(Decimal('-2'), Decimal('3'))
|
||||
Decimal("-8")
|
||||
Decimal('-8')
|
||||
>>> c.power(Decimal('2'), Decimal('-3'))
|
||||
Decimal("0.125")
|
||||
Decimal('0.125')
|
||||
>>> c.power(Decimal('1.7'), Decimal('8'))
|
||||
Decimal("69.7575744")
|
||||
Decimal('69.7575744')
|
||||
>>> c.power(Decimal('10'), Decimal('0.301029996'))
|
||||
Decimal("2.00000000")
|
||||
Decimal('2.00000000')
|
||||
>>> c.power(Decimal('Infinity'), Decimal('-1'))
|
||||
Decimal("0")
|
||||
Decimal('0')
|
||||
>>> c.power(Decimal('Infinity'), Decimal('0'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> c.power(Decimal('Infinity'), Decimal('1'))
|
||||
Decimal("Infinity")
|
||||
Decimal('Infinity')
|
||||
>>> c.power(Decimal('-Infinity'), Decimal('-1'))
|
||||
Decimal("-0")
|
||||
Decimal('-0')
|
||||
>>> c.power(Decimal('-Infinity'), Decimal('0'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> c.power(Decimal('-Infinity'), Decimal('1'))
|
||||
Decimal("-Infinity")
|
||||
Decimal('-Infinity')
|
||||
>>> c.power(Decimal('-Infinity'), Decimal('2'))
|
||||
Decimal("Infinity")
|
||||
Decimal('Infinity')
|
||||
>>> c.power(Decimal('0'), Decimal('0'))
|
||||
Decimal("NaN")
|
||||
Decimal('NaN')
|
||||
|
||||
>>> c.power(Decimal('3'), Decimal('7'), Decimal('16'))
|
||||
Decimal("11")
|
||||
Decimal('11')
|
||||
>>> c.power(Decimal('-3'), Decimal('7'), Decimal('16'))
|
||||
Decimal("-11")
|
||||
Decimal('-11')
|
||||
>>> c.power(Decimal('-3'), Decimal('8'), Decimal('16'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> c.power(Decimal('3'), Decimal('7'), Decimal('-16'))
|
||||
Decimal("11")
|
||||
Decimal('11')
|
||||
>>> c.power(Decimal('23E12345'), Decimal('67E189'), Decimal('123456789'))
|
||||
Decimal("11729830")
|
||||
Decimal('11729830')
|
||||
>>> c.power(Decimal('-0'), Decimal('17'), Decimal('1729'))
|
||||
Decimal("-0")
|
||||
Decimal('-0')
|
||||
>>> c.power(Decimal('-23'), Decimal('0'), Decimal('65537'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
"""
|
||||
return a.__pow__(b, modulo, context=self)
|
||||
|
||||
|
@ -4487,35 +4487,35 @@ class Context(object):
|
|||
if the result is subnormal and inexact.
|
||||
|
||||
>>> ExtendedContext.quantize(Decimal('2.17'), Decimal('0.001'))
|
||||
Decimal("2.170")
|
||||
Decimal('2.170')
|
||||
>>> ExtendedContext.quantize(Decimal('2.17'), Decimal('0.01'))
|
||||
Decimal("2.17")
|
||||
Decimal('2.17')
|
||||
>>> ExtendedContext.quantize(Decimal('2.17'), Decimal('0.1'))
|
||||
Decimal("2.2")
|
||||
Decimal('2.2')
|
||||
>>> ExtendedContext.quantize(Decimal('2.17'), Decimal('1e+0'))
|
||||
Decimal("2")
|
||||
Decimal('2')
|
||||
>>> ExtendedContext.quantize(Decimal('2.17'), Decimal('1e+1'))
|
||||
Decimal("0E+1")
|
||||
Decimal('0E+1')
|
||||
>>> ExtendedContext.quantize(Decimal('-Inf'), Decimal('Infinity'))
|
||||
Decimal("-Infinity")
|
||||
Decimal('-Infinity')
|
||||
>>> ExtendedContext.quantize(Decimal('2'), Decimal('Infinity'))
|
||||
Decimal("NaN")
|
||||
Decimal('NaN')
|
||||
>>> ExtendedContext.quantize(Decimal('-0.1'), Decimal('1'))
|
||||
Decimal("-0")
|
||||
Decimal('-0')
|
||||
>>> ExtendedContext.quantize(Decimal('-0'), Decimal('1e+5'))
|
||||
Decimal("-0E+5")
|
||||
Decimal('-0E+5')
|
||||
>>> ExtendedContext.quantize(Decimal('+35236450.6'), Decimal('1e-2'))
|
||||
Decimal("NaN")
|
||||
Decimal('NaN')
|
||||
>>> ExtendedContext.quantize(Decimal('-35236450.6'), Decimal('1e-2'))
|
||||
Decimal("NaN")
|
||||
Decimal('NaN')
|
||||
>>> ExtendedContext.quantize(Decimal('217'), Decimal('1e-1'))
|
||||
Decimal("217.0")
|
||||
Decimal('217.0')
|
||||
>>> ExtendedContext.quantize(Decimal('217'), Decimal('1e-0'))
|
||||
Decimal("217")
|
||||
Decimal('217')
|
||||
>>> ExtendedContext.quantize(Decimal('217'), Decimal('1e+1'))
|
||||
Decimal("2.2E+2")
|
||||
Decimal('2.2E+2')
|
||||
>>> ExtendedContext.quantize(Decimal('217'), Decimal('1e+2'))
|
||||
Decimal("2E+2")
|
||||
Decimal('2E+2')
|
||||
"""
|
||||
return a.quantize(b, context=self)
|
||||
|
||||
|
@ -4523,7 +4523,7 @@ class Context(object):
|
|||
"""Just returns 10, as this is Decimal, :)
|
||||
|
||||
>>> ExtendedContext.radix()
|
||||
Decimal("10")
|
||||
Decimal('10')
|
||||
"""
|
||||
return Decimal(10)
|
||||
|
||||
|
@ -4540,17 +4540,17 @@ class Context(object):
|
|||
remainder cannot be calculated).
|
||||
|
||||
>>> ExtendedContext.remainder(Decimal('2.1'), Decimal('3'))
|
||||
Decimal("2.1")
|
||||
Decimal('2.1')
|
||||
>>> ExtendedContext.remainder(Decimal('10'), Decimal('3'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> ExtendedContext.remainder(Decimal('-10'), Decimal('3'))
|
||||
Decimal("-1")
|
||||
Decimal('-1')
|
||||
>>> ExtendedContext.remainder(Decimal('10.2'), Decimal('1'))
|
||||
Decimal("0.2")
|
||||
Decimal('0.2')
|
||||
>>> ExtendedContext.remainder(Decimal('10'), Decimal('0.3'))
|
||||
Decimal("0.1")
|
||||
Decimal('0.1')
|
||||
>>> ExtendedContext.remainder(Decimal('3.6'), Decimal('1.3'))
|
||||
Decimal("1.0")
|
||||
Decimal('1.0')
|
||||
"""
|
||||
return a.__mod__(b, context=self)
|
||||
|
||||
|
@ -4565,19 +4565,19 @@ class Context(object):
|
|||
remainder cannot be calculated).
|
||||
|
||||
>>> ExtendedContext.remainder_near(Decimal('2.1'), Decimal('3'))
|
||||
Decimal("-0.9")
|
||||
Decimal('-0.9')
|
||||
>>> ExtendedContext.remainder_near(Decimal('10'), Decimal('6'))
|
||||
Decimal("-2")
|
||||
Decimal('-2')
|
||||
>>> ExtendedContext.remainder_near(Decimal('10'), Decimal('3'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> ExtendedContext.remainder_near(Decimal('-10'), Decimal('3'))
|
||||
Decimal("-1")
|
||||
Decimal('-1')
|
||||
>>> ExtendedContext.remainder_near(Decimal('10.2'), Decimal('1'))
|
||||
Decimal("0.2")
|
||||
Decimal('0.2')
|
||||
>>> ExtendedContext.remainder_near(Decimal('10'), Decimal('0.3'))
|
||||
Decimal("0.1")
|
||||
Decimal('0.1')
|
||||
>>> ExtendedContext.remainder_near(Decimal('3.6'), Decimal('1.3'))
|
||||
Decimal("-0.3")
|
||||
Decimal('-0.3')
|
||||
"""
|
||||
return a.remainder_near(b, context=self)
|
||||
|
||||
|
@ -4591,15 +4591,15 @@ class Context(object):
|
|||
positive or to the right otherwise.
|
||||
|
||||
>>> ExtendedContext.rotate(Decimal('34'), Decimal('8'))
|
||||
Decimal("400000003")
|
||||
Decimal('400000003')
|
||||
>>> ExtendedContext.rotate(Decimal('12'), Decimal('9'))
|
||||
Decimal("12")
|
||||
Decimal('12')
|
||||
>>> ExtendedContext.rotate(Decimal('123456789'), Decimal('-2'))
|
||||
Decimal("891234567")
|
||||
Decimal('891234567')
|
||||
>>> ExtendedContext.rotate(Decimal('123456789'), Decimal('0'))
|
||||
Decimal("123456789")
|
||||
Decimal('123456789')
|
||||
>>> ExtendedContext.rotate(Decimal('123456789'), Decimal('+2'))
|
||||
Decimal("345678912")
|
||||
Decimal('345678912')
|
||||
"""
|
||||
return a.rotate(b, context=self)
|
||||
|
||||
|
@ -4624,11 +4624,11 @@ class Context(object):
|
|||
"""Returns the first operand after adding the second value its exp.
|
||||
|
||||
>>> ExtendedContext.scaleb(Decimal('7.50'), Decimal('-2'))
|
||||
Decimal("0.0750")
|
||||
Decimal('0.0750')
|
||||
>>> ExtendedContext.scaleb(Decimal('7.50'), Decimal('0'))
|
||||
Decimal("7.50")
|
||||
Decimal('7.50')
|
||||
>>> ExtendedContext.scaleb(Decimal('7.50'), Decimal('3'))
|
||||
Decimal("7.50E+3")
|
||||
Decimal('7.50E+3')
|
||||
"""
|
||||
return a.scaleb (b, context=self)
|
||||
|
||||
|
@ -4643,15 +4643,15 @@ class Context(object):
|
|||
coefficient are zeros.
|
||||
|
||||
>>> ExtendedContext.shift(Decimal('34'), Decimal('8'))
|
||||
Decimal("400000000")
|
||||
Decimal('400000000')
|
||||
>>> ExtendedContext.shift(Decimal('12'), Decimal('9'))
|
||||
Decimal("0")
|
||||
Decimal('0')
|
||||
>>> ExtendedContext.shift(Decimal('123456789'), Decimal('-2'))
|
||||
Decimal("1234567")
|
||||
Decimal('1234567')
|
||||
>>> ExtendedContext.shift(Decimal('123456789'), Decimal('0'))
|
||||
Decimal("123456789")
|
||||
Decimal('123456789')
|
||||
>>> ExtendedContext.shift(Decimal('123456789'), Decimal('+2'))
|
||||
Decimal("345678900")
|
||||
Decimal('345678900')
|
||||
"""
|
||||
return a.shift(b, context=self)
|
||||
|
||||
|
@ -4662,23 +4662,23 @@ class Context(object):
|
|||
algorithm.
|
||||
|
||||
>>> ExtendedContext.sqrt(Decimal('0'))
|
||||
Decimal("0")
|
||||
Decimal('0')
|
||||
>>> ExtendedContext.sqrt(Decimal('-0'))
|
||||
Decimal("-0")
|
||||
Decimal('-0')
|
||||
>>> ExtendedContext.sqrt(Decimal('0.39'))
|
||||
Decimal("0.624499800")
|
||||
Decimal('0.624499800')
|
||||
>>> ExtendedContext.sqrt(Decimal('100'))
|
||||
Decimal("10")
|
||||
Decimal('10')
|
||||
>>> ExtendedContext.sqrt(Decimal('1'))
|
||||
Decimal("1")
|
||||
Decimal('1')
|
||||
>>> ExtendedContext.sqrt(Decimal('1.0'))
|
||||
Decimal("1.0")
|
||||
Decimal('1.0')
|
||||
>>> ExtendedContext.sqrt(Decimal('1.00'))
|
||||
Decimal("1.0")
|
||||
Decimal('1.0')
|
||||
>>> ExtendedContext.sqrt(Decimal('7'))
|
||||
Decimal("2.64575131")
|
||||
Decimal('2.64575131')
|
||||
>>> ExtendedContext.sqrt(Decimal('10'))
|
||||
Decimal("3.16227766")
|
||||
Decimal('3.16227766')
|
||||
>>> ExtendedContext.prec
|
||||
9
|
||||
"""
|
||||
|
@ -4688,11 +4688,11 @@ class Context(object):
|
|||
"""Return the difference between the two operands.
|
||||
|
||||
>>> ExtendedContext.subtract(Decimal('1.3'), Decimal('1.07'))
|
||||
Decimal("0.23")
|
||||
Decimal('0.23')
|
||||
>>> ExtendedContext.subtract(Decimal('1.3'), Decimal('1.30'))
|
||||
Decimal("0.00")
|
||||
Decimal('0.00')
|
||||
>>> ExtendedContext.subtract(Decimal('1.3'), Decimal('2.07'))
|
||||
Decimal("-0.77")
|
||||
Decimal('-0.77')
|
||||
"""
|
||||
return a.__sub__(b, context=self)
|
||||
|
||||
|
@ -4721,21 +4721,21 @@ class Context(object):
|
|||
context.
|
||||
|
||||
>>> ExtendedContext.to_integral_exact(Decimal('2.1'))
|
||||
Decimal("2")
|
||||
Decimal('2')
|
||||
>>> ExtendedContext.to_integral_exact(Decimal('100'))
|
||||
Decimal("100")
|
||||
Decimal('100')
|
||||
>>> ExtendedContext.to_integral_exact(Decimal('100.0'))
|
||||
Decimal("100")
|
||||
Decimal('100')
|
||||
>>> ExtendedContext.to_integral_exact(Decimal('101.5'))
|
||||
Decimal("102")
|
||||
Decimal('102')
|
||||
>>> ExtendedContext.to_integral_exact(Decimal('-101.5'))
|
||||
Decimal("-102")
|
||||
Decimal('-102')
|
||||
>>> ExtendedContext.to_integral_exact(Decimal('10E+5'))
|
||||
Decimal("1.0E+6")
|
||||
Decimal('1.0E+6')
|
||||
>>> ExtendedContext.to_integral_exact(Decimal('7.89E+77'))
|
||||
Decimal("7.89E+77")
|
||||
Decimal('7.89E+77')
|
||||
>>> ExtendedContext.to_integral_exact(Decimal('-Inf'))
|
||||
Decimal("-Infinity")
|
||||
Decimal('-Infinity')
|
||||
"""
|
||||
return a.to_integral_exact(context=self)
|
||||
|
||||
|
@ -4749,21 +4749,21 @@ class Context(object):
|
|||
be set. The rounding mode is taken from the context.
|
||||
|
||||
>>> ExtendedContext.to_integral_value(Decimal('2.1'))
|
||||
Decimal("2")
|
||||
Decimal('2')
|
||||
>>> ExtendedContext.to_integral_value(Decimal('100'))
|
||||
Decimal("100")
|
||||
Decimal('100')
|
||||
>>> ExtendedContext.to_integral_value(Decimal('100.0'))
|
||||
Decimal("100")
|
||||
Decimal('100')
|
||||
>>> ExtendedContext.to_integral_value(Decimal('101.5'))
|
||||
Decimal("102")
|
||||
Decimal('102')
|
||||
>>> ExtendedContext.to_integral_value(Decimal('-101.5'))
|
||||
Decimal("-102")
|
||||
Decimal('-102')
|
||||
>>> ExtendedContext.to_integral_value(Decimal('10E+5'))
|
||||
Decimal("1.0E+6")
|
||||
Decimal('1.0E+6')
|
||||
>>> ExtendedContext.to_integral_value(Decimal('7.89E+77'))
|
||||
Decimal("7.89E+77")
|
||||
Decimal('7.89E+77')
|
||||
>>> ExtendedContext.to_integral_value(Decimal('-Inf'))
|
||||
Decimal("-Infinity")
|
||||
Decimal('-Infinity')
|
||||
"""
|
||||
return a.to_integral_value(context=self)
|
||||
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue