Coverage for mlprodict/onnxrt/ops_cpu/op_linear_regressor.py: 100%
18 statements
« prev ^ index » next coverage.py v7.1.0, created at 2023-02-04 02:28 +0100
« prev ^ index » next coverage.py v7.1.0, created at 2023-02-04 02:28 +0100
1# -*- encoding: utf-8 -*-
2# pylint: disable=E0203,E1101,C0111
3"""
4@file
5@brief Runtime operator.
6"""
7import numpy
8from ._op import OpRunUnaryNum
9from ._op_numpy_helper import numpy_dot_inplace
12class LinearRegressor(OpRunUnaryNum):
14 atts = {'coefficients': None, 'intercepts': None,
15 'targets': 1, 'post_transform': b'NONE'}
17 def __init__(self, onnx_node, desc=None, **options):
18 OpRunUnaryNum.__init__(self, onnx_node, desc=desc,
19 expected_attributes=LinearRegressor.atts,
20 **options)
21 if not isinstance(self.coefficients, numpy.ndarray):
22 raise TypeError( # pragma: no cover
23 f"coefficient must be an array not {type(self.coefficients)}.")
24 n = self.coefficients.shape[0] // self.targets
25 self.coefficients = self.coefficients.reshape(self.targets, n).T
27 def _run(self, x, attributes=None, verbose=0, fLOG=None): # pylint: disable=W0221
28 score = numpy_dot_inplace(self.inplaces, x, self.coefficients)
29 if self.intercepts is not None:
30 score += self.intercepts
31 if self.post_transform == b'NONE':
32 pass
33 else:
34 raise NotImplementedError( # pragma: no cover
35 f"Unknown post_transform: '{self.post_transform}'.")
36 return (score, )