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https://github.com/SickGear/SickGear.git
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157 lines
3.6 KiB
Python
157 lines
3.6 KiB
Python
from ..base import *
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import math
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import random
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Math = PyJsObject(prototype=ObjectPrototype)
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Math.Class = 'Math'
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CONSTANTS = {
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'E': 2.7182818284590452354,
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'LN10': 2.302585092994046,
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'LN2': 0.6931471805599453,
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'LOG2E': 1.4426950408889634,
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'LOG10E': 0.4342944819032518,
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'PI': 3.1415926535897932,
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'SQRT1_2': 0.7071067811865476,
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'SQRT2': 1.4142135623730951
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}
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for constant, value in CONSTANTS.items():
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Math.define_own_property(
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constant, {
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'value': Js(value),
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'writable': False,
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'enumerable': False,
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'configurable': False
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})
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class MathFunctions:
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def abs(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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return abs(a)
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def acos(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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try:
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return math.acos(a)
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except:
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return NaN
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def asin(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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try:
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return math.asin(a)
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except:
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return NaN
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def atan(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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return math.atan(a)
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def atan2(y, x):
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a = x.to_number().value
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b = y.to_number().value
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if a != a or b != b: # it must be a nan
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return NaN
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return math.atan2(b, a)
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def ceil(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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return math.ceil(a)
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def floor(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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return math.floor(a)
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def round(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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return round(a)
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def sin(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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return math.sin(a)
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def cos(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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return math.cos(a)
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def tan(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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return math.tan(a)
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def log(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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try:
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return math.log(a)
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except:
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return NaN
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def exp(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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return math.exp(a)
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def pow(x, y):
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a = x.to_number().value
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b = y.to_number().value
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if a != a or b != b: # it must be a nan
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return NaN
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try:
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return a**b
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except:
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return NaN
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def sqrt(x):
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a = x.to_number().value
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if a != a: # it must be a nan
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return NaN
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try:
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return a**0.5
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except:
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return NaN
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def min():
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if not len(arguments):
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return Infinity
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lis = tuple(e.to_number().value for e in arguments.to_list())
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if any(e != e for e in lis): # we dont want NaNs
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return NaN
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return min(*lis)
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def max():
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if not len(arguments):
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return -Infinity
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lis = tuple(e.to_number().value for e in arguments.to_list())
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if any(e != e for e in lis): # we dont want NaNs
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return NaN
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return max(*lis)
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def random():
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return random.random()
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fill_prototype(Math, MathFunctions, default_attrs)
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