forked from Rust-related/RustPython
109 lines
3.1 KiB
Python
109 lines
3.1 KiB
Python
import math
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from testutils import assert_raises
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1 + 1.1
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a = 1.2
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b = 1.3
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c = 1.2
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assert a < b
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assert not b < a
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assert a <= b
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assert a <= c
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assert b > a
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assert not a > b
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assert not a > c
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assert b >= a
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assert c >= a
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assert not a >= b
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assert a + b == 2.5
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assert a - c == 0
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assert a / c == 1
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assert a < 5
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assert a <= 5
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try:
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assert a < 'a'
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except TypeError:
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pass
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try:
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assert a <= 'a'
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except TypeError:
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pass
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assert a > 1
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assert a >= 1
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try:
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assert a > 'a'
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except TypeError:
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pass
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try:
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assert a >= 'a'
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except TypeError:
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pass
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assert math.isnan(float('nan'))
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assert math.isnan(float('NaN'))
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assert math.isnan(float('+NaN'))
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assert math.isnan(float('-NaN'))
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assert math.isinf(float('inf'))
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assert math.isinf(float('Inf'))
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assert math.isinf(float('+Inf'))
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assert math.isinf(float('-Inf'))
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assert float('+Inf') > 0
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assert float('-Inf') < 0
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assert float('3.14') == 3.14
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assert float('2.99e-23') == 2.99e-23
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assert float(b'3.14') == 3.14
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assert float(b'2.99e-23') == 2.99e-23
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assert_raises(ValueError, lambda: float('foo'))
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assert_raises(OverflowError, lambda: float(2**10000))
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# check that magic methods are implemented for ints and floats
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assert 1.0.__add__(1.0) == 2.0
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assert 1.0.__radd__(1.0) == 2.0
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assert 2.0.__sub__(1.0) == 1.0
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assert 2.0.__rmul__(1.0) == 2.0
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assert 1.0.__truediv__(2.0) == 0.5
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assert 1.0.__rtruediv__(2.0) == 2.0
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assert 1.0.__add__(1) == 2.0
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assert 1.0.__radd__(1) == 2.0
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assert 2.0.__sub__(1) == 1.0
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assert 2.0.__rmul__(1) == 2.0
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assert 1.0.__truediv__(2) == 0.5
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assert 1.0.__rtruediv__(2) == 2.0
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assert 2.0.__mul__(1) == 2.0
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assert 2.0.__rsub__(1) == -1.0
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assert (1.7).real == 1.7
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assert (1.3).is_integer() == False
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assert (1.0).is_integer() == True
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assert (0.875).as_integer_ratio() == (7, 8)
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assert (-0.875).as_integer_ratio() == (-7, 8)
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assert (0.0).as_integer_ratio() == (0, 1)
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assert (11.5).as_integer_ratio() == (23, 2)
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assert (0.0).as_integer_ratio() == (0, 1)
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assert (2.5).as_integer_ratio() == (5, 2)
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assert (0.5).as_integer_ratio() == (1, 2)
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assert (2.1).as_integer_ratio() == (4728779608739021, 2251799813685248)
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assert (-2.1).as_integer_ratio() == (-4728779608739021, 2251799813685248)
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assert (-2100.0).as_integer_ratio() == (-2100, 1)
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assert (2.220446049250313e-16).as_integer_ratio() == (1, 4503599627370496)
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assert (1.7976931348623157e+308).as_integer_ratio() == (179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368, 1)
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assert (2.2250738585072014e-308).as_integer_ratio() == (1, 44942328371557897693232629769725618340449424473557664318357520289433168951375240783177119330601884005280028469967848339414697442203604155623211857659868531094441973356216371319075554900311523529863270738021251442209537670585615720368478277635206809290837627671146574559986811484619929076208839082406056034304)
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assert_raises(OverflowError, float('inf').as_integer_ratio)
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assert_raises(OverflowError, float('-inf').as_integer_ratio)
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assert_raises(ValueError, float('nan').as_integer_ratio)
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