1# -*- encoding: utf-8 -*- 

2# pylint: disable=E0203,E1101,C0111 

3""" 

4@file 

5@brief Runtime operator. 

6""" 

7import numpy 

8from ._op import OpRunUnaryNum 

9 

10 

11class Binarizer(OpRunUnaryNum): 

12 

13 atts = {'threshold': 0.} 

14 

15 def __init__(self, onnx_node, desc=None, **options): 

16 OpRunUnaryNum.__init__(self, onnx_node, desc=desc, 

17 expected_attributes=Binarizer.atts, 

18 **options) 

19 

20 def _run(self, x): # pylint: disable=W0221 

21 X = x.copy() 

22 cond = X > self.threshold 

23 not_cond = numpy.logical_not(cond) 

24 X[cond] = 1 

25 X[not_cond] = 0 

26 return (X, )