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23 lines
398 B
Python
23 lines
398 B
Python
import numpy as np
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RAD_TO_DEG = 57.2957795
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DEG_TO_RAD = 1.0 / RAD_TO_DEG
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INVALID_IDX = -1
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def lerp(x, y, t):
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return (1 - t) * x + t * y
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def log_lerp(x, y, t):
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return np.exp(lerp(np.log(x), np.log(y), t))
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def flatten(arr_list):
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return np.concatenate([np.reshape(a, [-1]) for a in arr_list], axis=0)
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def flip_coin(p):
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rand_num = np.random.binomial(1, p, 1)
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return rand_num[0] == 1
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