我正在尝试编译一个函数,该函数使用 numba 对图像补丁进行一些计算。这是代码的一部分:
@jit(nopython=True, parallel=True)
def value_at_patch(img, coords, imgsize, patch_radius):
x_center = coords[0]; y_center = coords[1];
r = patch_radius
s = 2*r+1
xvec = np.arange(x_center-r, x_center+r+1)
xvec[xvec <= 0] = 0 #prevent negative index
xvec = xvec.astype(int)
yvec = np.arange(y_center-r, y_center+r+1)
yvec[yvec <= 0] = 0
yvec = yvec.astype(int)
A = np.zeros((s,s))
#do some parallel computation on A
p = np.any(A)
return p
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我能够编译该函数,但是当我运行它时,我收到以下错误消息:
Failed in nopython mode pipeline (step: nopython frontend)
Invalid use of BoundFunction(array.astype for array(float64, 1d, C)) …Run Code Online (Sandbox Code Playgroud)