projects
/
linpy.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Reformat examples/README.rst
[linpy.git]
/
linpy
/
domains.py
diff --git
a/linpy/domains.py
b/linpy/domains.py
index
83f6c2c
..
519059d
100644
(file)
--- a/
linpy/domains.py
+++ b/
linpy/domains.py
@@
-38,7
+38,7
@@
__all__ = [
class Domain(GeometricObject):
"""
A domain is a union of polyhedra. Unlike polyhedra, domains allow exact
class Domain(GeometricObject):
"""
A domain is a union of polyhedra. Unlike polyhedra, domains allow exact
- computation of union and complementary operations.
+ computation of union
, subtraction
and complementary operations.
A domain with a unique polyhedron is automatically subclassed as a
Polyhedron instance.
A domain with a unique polyhedron is automatically subclassed as a
Polyhedron instance.
@@
-703,17
+703,17
@@
class Domain(GeometricObject):
Create a domain from a string. Raise SyntaxError if the string is not
properly formatted.
"""
Create a domain from a string. Raise SyntaxError if the string is not
properly formatted.
"""
- #
remove curly brackets
+ #
Remove curly brackets.
string = cls._RE_BRACES.sub(r'', string)
string = cls._RE_BRACES.sub(r'', string)
- #
replace '=' by '=='
+ #
Replace '=' by '=='.
string = cls._RE_EQ.sub(r'\1==\2', string)
string = cls._RE_EQ.sub(r'\1==\2', string)
- #
replace 'and', 'or', 'not'
+ #
Replace 'and', 'or', 'not'.
string = cls._RE_AND.sub(r' & ', string)
string = cls._RE_OR.sub(r' | ', string)
string = cls._RE_NOT.sub(r' ~', string)
string = cls._RE_AND.sub(r' & ', string)
string = cls._RE_OR.sub(r' | ', string)
string = cls._RE_NOT.sub(r' ~', string)
- #
add implicit multiplication operators, e.g. '5x' -> '5*x'
+ #
Add implicit multiplication operators, e.g. '5x' -> '5*x'.
string = cls._RE_NUM_VAR.sub(r'\1*\2', string)
string = cls._RE_NUM_VAR.sub(r'\1*\2', string)
- #
add parentheses to force precedence
+ #
Add parentheses to force precedence.
tokens = cls._RE_OPERATORS.split(string)
for i, token in enumerate(tokens):
if i % 2 == 0:
tokens = cls._RE_OPERATORS.split(string)
for i, token in enumerate(tokens):
if i % 2 == 0:
@@
-737,7
+737,7
@@
class Domain(GeometricObject):
@classmethod
def fromsympy(cls, expr):
"""
@classmethod
def fromsympy(cls, expr):
"""
- Create a domain from a
symp
y expression.
+ Create a domain from a
SymP
y expression.
"""
import sympy
from .polyhedra import Lt, Le, Eq, Ne, Ge, Gt
"""
import sympy
from .polyhedra import Lt, Le, Eq, Ne, Ge, Gt
@@
-756,7
+756,7
@@
class Domain(GeometricObject):
def tosympy(self):
"""
def tosympy(self):
"""
- Convert the domain to a
symp
y expression.
+ Convert the domain to a
SymP
y expression.
"""
import sympy
polyhedra = [polyhedron.tosympy() for polyhedron in polyhedra]
"""
import sympy
polyhedra = [polyhedron.tosympy() for polyhedron in polyhedra]
@@
-772,7
+772,6
@@
def And(*domains):
return Universe
else:
return domains[0].intersection(*domains[1:])
return Universe
else:
return domains[0].intersection(*domains[1:])
-And.__doc__ = Domain.intersection.__doc__
def Or(*domains):
"""
def Or(*domains):
"""
@@
-783,11
+782,9
@@
def Or(*domains):
return Empty
else:
return domains[0].union(*domains[1:])
return Empty
else:
return domains[0].union(*domains[1:])
-Or.__doc__ = Domain.union.__doc__
def Not(domain):
"""
Create the complementary domain of the domain given in argument.
"""
return ~domain
def Not(domain):
"""
Create the complementary domain of the domain given in argument.
"""
return ~domain
-Not.__doc__ = Domain.complement.__doc__