6534953321

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

Build # 6534953321

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github

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feihoo87

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fix Coveralls

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28.95

/waveforms/qlisp/qasm/node/external.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 external function."""

import warnings
import numpy as np

from .node import Node
from .nodeexception import NodeException


class External(Node):
    """Node for an OPENQASM external function.
    children[0] is an id node with the name of the function.
    children[1] is an expression node.
    """

    def __init__(self, children):
        """Create the external node."""
        super().__init__('external', children, None)

    def qasm(self, prec=None):
        """Return the corresponding OPENQASM string."""
        if prec is not None:
            warnings.warn('Parameter \'External.qasm(..., prec)\' is no longer used and is being '
                          'deprecated.', DeprecationWarning, 2)
        return self.children[0].qasm() + "(" + self.children[1].qasm() + ")"

    def latex(self, prec=None, nested_scope=None):
        """Return the corresponding math mode latex string."""
        if prec is not None:
            warnings.warn('Parameter \'External.latex(..., prec)\' is no longer used and is being '
                          'deprecated.', DeprecationWarning, 2)
        if nested_scope is not None:
            warnings.warn('Parameter \'External.latex(..., nested_scope)\' is no longer used and '
                          'is being deprecated.', DeprecationWarning, 2)
        try:
            from pylatexenc.latexencode import utf8tolatex
        except ImportError:
            raise ImportError("To export latex from qasm "
                              "pylatexenc needs to be installed. Run "
                              "'pip install pylatexenc' before using this "
                              "method.")
        return utf8tolatex(self.sym())

    def real(self, nested_scope=None):
        """Return the correspond floating point number."""
        op = self.children[0].name
        expr = self.children[1]
        dispatch = {
            'sin': np.sin,
            'cos': np.cos,
            'tan': np.tan,
            'asin': np.arcsin,
            'acos': np.arccos,
            'atan': np.arctan,
            'exp': np.exp,
            'ln': np.log,
            'sqrt': np.sqrt
        }
        if op in dispatch:
            arg = expr.real(nested_scope)
            return dispatch[op](arg)
        else:
            raise NodeException("internal error: undefined external")

    def sym(self, nested_scope=None):
        """Return the corresponding symbolic expression."""
        op = self.children[0].name
        expr = self.children[1]
        dispatch = {
            'sin': np.sin,
            'cos': np.cos,
            'tan': np.tan,
            'asin': np.arcsin,
            'acos': np.arccos,
            'atan': np.arctan,
            'exp': np.exp,
            'ln': np.log,
            'sqrt': np.sqrt
        }
        if op in dispatch:
            arg = expr.sym(nested_scope)
            return dispatch[op](arg)
        else:
            raise NodeException("internal error: undefined external")

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 external function."""	9✔
14
15	import warnings	9✔
16	import numpy as np	9✔
17
18	from .node import Node	9✔
19	from .nodeexception import NodeException	9✔
20
21
22	class External(Node):	9✔
23	"""Node for an OPENQASM external function.
24	children[0] is an id node with the name of the function.
25	children[1] is an expression node.
26	"""
27
28	def __init__(self, children):	9✔
29	"""Create the external node."""
30	super().__init__('external', children, None)	×
31
32	def qasm(self, prec=None):	9✔
33	"""Return the corresponding OPENQASM string."""
34	if prec is not None:	×
35	warnings.warn('Parameter \'External.qasm(..., prec)\' is no longer used and is being '	×
36	'deprecated.', DeprecationWarning, 2)
37	return self.children[0].qasm() + "(" + self.children[1].qasm() + ")"	×
38
39	def latex(self, prec=None, nested_scope=None):	9✔
40	"""Return the corresponding math mode latex string."""
41	if prec is not None:	×
42	warnings.warn('Parameter \'External.latex(..., prec)\' is no longer used and is being '	×
43	'deprecated.', DeprecationWarning, 2)
44	if nested_scope is not None:	×
45	warnings.warn('Parameter \'External.latex(..., nested_scope)\' is no longer used and '	×
46	'is being deprecated.', DeprecationWarning, 2)
47	try:	×
48	from pylatexenc.latexencode import utf8tolatex	×
49	except ImportError:	×
50	raise ImportError("To export latex from qasm "	×
51	"pylatexenc needs to be installed. Run "
52	"'pip install pylatexenc' before using this "
53	"method.")
54	return utf8tolatex(self.sym())	×
55
56	def real(self, nested_scope=None):	9✔
57	"""Return the correspond floating point number."""
58	op = self.children[0].name	×
59	expr = self.children[1]	×
60	dispatch = {	×
61	'sin': np.sin,
62	'cos': np.cos,
63	'tan': np.tan,
64	'asin': np.arcsin,
65	'acos': np.arccos,
66	'atan': np.arctan,
67	'exp': np.exp,
68	'ln': np.log,
69	'sqrt': np.sqrt
70	}
71	if op in dispatch:	×
72	arg = expr.real(nested_scope)	×
73	return dispatch[op](arg)	×
74	else:
75	raise NodeException("internal error: undefined external")	×
76
77	def sym(self, nested_scope=None):	9✔
78	"""Return the corresponding symbolic expression."""
79	op = self.children[0].name	×
80	expr = self.children[1]	×
81	dispatch = {	×
82	'sin': np.sin,
83	'cos': np.cos,
84	'tan': np.tan,
85	'asin': np.arcsin,
86	'acos': np.arccos,
87	'atan': np.arctan,
88	'exp': np.exp,
89	'ln': np.log,
90	'sqrt': np.sqrt
91	}
92	if op in dispatch:	×
93	arg = expr.sym(nested_scope)	×
94	return dispatch[op](arg)	×
95	else:
96	raise NodeException("internal error: undefined external")	×

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