6534953321

Committed 16 Oct 2023 02:19PM UTC coverage: 35.674% (-22.7%) from 58.421%

Build # 6534953321

Build Type

push

github

Committed by

feihoo87

Commit Message

fix Coveralls

Run Details

5913 of 16575 relevant lines covered (35.67%)

3.21 hits per line

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63.16

/waveforms/qlisp/qasm/node/unaryoperator.py

# This code is part of Qiskit.
#
# (C) Copyright IBM 2017.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.

"""Node for an OPENQASM unary operator."""

import operator
import warnings

from .node import Node
from .nodeexception import NodeException


VALID_OPERATORS = {
    '+': operator.pos,
    '-': operator.neg,
}


class UnaryOperator(Node):
    """Node for an OPENQASM unary operator.
    This node has no children. The data is in the value field.
    """
    def __init__(self, operation):
        """Create the operator node."""
        super().__init__('unary_operator', None, None)
        self.value = operation

    def operation(self):
        """
        Return the operator as a function f(left, right).
        """
        try:
            return VALID_OPERATORS[self.value]
        except KeyError:
            raise NodeException("internal error: undefined prefix '%s'" %
                                self.value)

    def qasm(self, prec=None):
        """Return QASM representation."""
        if prec is not None:
            warnings.warn('Parameter \'UnaryOperator.qasm(..., prec)\' is no longer used and is '
                          'being deprecated.', DeprecationWarning, 2)
        return self.value

1	# This code is part of Qiskit.
2	#
3	# (C) Copyright IBM 2017.
4	#
5	# This code is licensed under the Apache License, Version 2.0. You may
6	# obtain a copy of this license in the LICENSE.txt file in the root directory
7	# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
8	#
9	# Any modifications or derivative works of this code must retain this
10	# copyright notice, and modified files need to carry a notice indicating
11	# that they have been altered from the originals.
12
13	"""Node for an OPENQASM unary operator."""	9✔
14
15	import operator	9✔
16	import warnings	9✔
17
18	from .node import Node	9✔
19	from .nodeexception import NodeException	9✔
20
21
22	VALID_OPERATORS = {	9✔
23	'+': operator.pos,
24	'-': operator.neg,
25	}
26
27
28	class UnaryOperator(Node):	9✔
29	"""Node for an OPENQASM unary operator.
30	This node has no children. The data is in the value field.
31	"""
32	def __init__(self, operation):	9✔
33	"""Create the operator node."""
34	super().__init__('unary_operator', None, None)	9✔
35	self.value = operation	9✔
36
37	def operation(self):	9✔
38	"""
39	Return the operator as a function f(left, right).
40	"""
41	try:	×
42	return VALID_OPERATORS[self.value]	×
43	except KeyError:	×
44	raise NodeException("internal error: undefined prefix '%s'" %	×
45	self.value)
46
47	def qasm(self, prec=None):	9✔
48	"""Return QASM representation."""
49	if prec is not None:	×
50	warnings.warn('Parameter \'UnaryOperator.qasm(..., prec)\' is no longer used and is '	×
51	'being deprecated.', DeprecationWarning, 2)
52	return self.value	×

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