mirror of https://github.com/morpheus65535/bazarr
158 lines
3.6 KiB
Python
158 lines
3.6 KiB
Python
from __future__ import unicode_literals
|
|
|
|
from ..conversions import *
|
|
from ..func_utils import *
|
|
|
|
import math
|
|
import random
|
|
|
|
CONSTANTS = {
|
|
'E': 2.7182818284590452354,
|
|
'LN10': 2.302585092994046,
|
|
'LN2': 0.6931471805599453,
|
|
'LOG2E': 1.4426950408889634,
|
|
'LOG10E': 0.4342944819032518,
|
|
'PI': 3.1415926535897932,
|
|
'SQRT1_2': 0.7071067811865476,
|
|
'SQRT2': 1.4142135623730951
|
|
}
|
|
|
|
|
|
class MathFunctions:
|
|
def abs(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
return abs(a)
|
|
|
|
def acos(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
try:
|
|
return math.acos(a)
|
|
except:
|
|
return NaN
|
|
|
|
def asin(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
try:
|
|
return math.asin(a)
|
|
except:
|
|
return NaN
|
|
|
|
def atan(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
return math.atan(a)
|
|
|
|
def atan2(this, args):
|
|
x = get_arg(args, 0)
|
|
y = get_arg(args, 1)
|
|
a = to_number(x)
|
|
b = to_number(y)
|
|
if a != a or b != b: # it must be a nan
|
|
return NaN
|
|
return math.atan2(a, b)
|
|
|
|
def ceil(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
return float(math.ceil(a))
|
|
|
|
def floor(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
return float(math.floor(a))
|
|
|
|
def round(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
return float(round(a))
|
|
|
|
def sin(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if not is_finite(a): # it must be a nan
|
|
return NaN
|
|
return math.sin(a)
|
|
|
|
def cos(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if not is_finite(a): # it must be a nan
|
|
return NaN
|
|
return math.cos(a)
|
|
|
|
def tan(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if not is_finite(a): # it must be a nan
|
|
return NaN
|
|
return math.tan(a)
|
|
|
|
def log(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
try:
|
|
return math.log(a)
|
|
except:
|
|
return NaN
|
|
|
|
def exp(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
return math.exp(a)
|
|
|
|
def pow(this, args):
|
|
x = get_arg(args, 0)
|
|
y = get_arg(args, 1)
|
|
a = to_number(x)
|
|
b = to_number(y)
|
|
if a != a or b != b: # it must be a nan
|
|
return NaN
|
|
try:
|
|
return a**b
|
|
except:
|
|
return NaN
|
|
|
|
def sqrt(this, args):
|
|
x = get_arg(args, 0)
|
|
a = to_number(x)
|
|
if a != a: # it must be a nan
|
|
return NaN
|
|
try:
|
|
return a**0.5
|
|
except:
|
|
return NaN
|
|
|
|
def min(this, args):
|
|
if len(args) == 0:
|
|
return Infinity
|
|
return min(map(to_number, tuple(args)))
|
|
|
|
def max(this, args):
|
|
if len(args) == 0:
|
|
return -Infinity
|
|
return max(map(to_number, tuple(args)))
|
|
|
|
def random(this, args):
|
|
return random.random()
|