Coverage for mlprodict/onnxrt/ops_cpu/op_elu.py: 100%

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 Elu(OpRunUnaryNum): 

12 

13 atts = {'alpha': 1} 

14 

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

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

17 expected_attributes=Elu.atts, 

18 **options) 

19 

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

21 return (numpy.where(x > 0, x, self.alpha * (numpy.exp(x) - 1)), ) 

22 

23 def to_python(self, inputs): 

24 return ( 

25 "import numpy", 

26 ("return numpy.where({0} > 0, {0}, " 

27 "{1} * (numpy.exp({0}) - 1))").format(inputs[0], self.alpha))