25 lines
532 B
Python
25 lines
532 B
Python
from util import Object
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import numpy as np
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CURVE_LINSPACE = np.linspace(-10, 30, num=1000)
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DEFAULT_CURVE = (1, 3, 3)
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NSA_CURVE = (1, 3, 0)
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BTC_CURVE = (1, 0, 7)
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class EllipticCurve(Object):
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def __init__(self, a, b, c):
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self.a = a
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self.b = b
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self.c = b
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self.xl = CURVE_LINSPACE
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self.yl = self._x2y()
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def _x2y(self):
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r = np.empty((self.xl.size, 2))
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for i, xi in enumerate(self.xl):
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r[i][0] = np.sqrt((self.a * xi**3) + (self.b * xi**2) + self.c)
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for i in range(self.xl.size):
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r[i][1] = -r[i][0]
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return r
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