libscores.py 文件源码

def sanitize_array(array):
    ''' Replace NaN and Inf (there should not be any!)'''
    a=np.ravel(array)
    maxi = np.nanmax((filter(lambda x: x != float('inf'), a))) # Max except NaN and Inf
    mini = np.nanmin((filter(lambda x: x != float('-inf'), a))) # Mini except NaN and Inf
    array[array==float('inf')]=maxi
    array[array==float('-inf')]=mini
    mid = (maxi + mini)/2
    array[np.isnan(array)]=mid
    return array