This script: import numpy as np import numba as nb from math import pi, atan2, sqrt @nb.njit(fastmath=True, locals=dict(w=nb.uint32)) def test2(im, grads, w): for i in range(im.size-w-1): dx = im[i+w+1]-im[i] dy = im[i+w]-im[i+1] grads[i] = (sqrt(dx*dx+dy*dy), np.int8(np.int8((atan2(…

I think you should be able to write it like: grads["magn"][i] = sqrt(dx*dx+dy*dy) grads["dir"][i] = np.int8(np.int8((atan2(dy, dx)+1.125*pi)/(pi/4)+5)%8)

I don't understand this compilation error

Numba Support: What is this error message?

nelson2005 January 30, 2023, 2:56pm 3

1 Like

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I don't understand this compilation error

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