parameters: (anchor, ratios)
return_statement: return anchors
docstring: Enumerate a set of anchors for each aspect ratio wrt an anchor.
docstring_summary: Enumerate a set of anchors for each aspect ratio wrt an anchor.
docstring_tokens: Enumerate a set of anchors for each aspect ratio wrt an anchor .
function: def _ratio_enum(anchor, ratios):
    """
    Enumerate a set of anchors for each aspect ratio wrt an anchor.
    """
  
    w, h, x_ctr, y_ctr = _whctrs(anchor)
    size = w * h
    size_ratios = size / ratios
    ws = np.round(np.sqrt(size_ratios))
    hs = np.round(ws * ratios)
    anchors = _mkanchors(ws, hs, x_ctr, y_ctr)
    return anchors
function_tokens: def _ratio_enum ( anchor , ratios ) : w , h , x_ctr , y_ctr = _whctrs ( anchor ) size = w * h size_ratios = size / ratios ws = np . round ( np . sqrt ( size_ratios ) ) hs = np . round ( ws * ratios ) anchors = _mkanchors ( ws , hs , x_ctr , y_ctr ) return anchors