LSInterval Class¶

class localsolver.LSInterval¶: Value type for interval expressions. Such value is obtained with LSExpression::value when the expression is an interval.

Summary¶

Methods¶
`is_void`	Returns true if the interval is void.
`is_degenerate`	Returns true if the interval is degenerate.
`start`	Returns the start of the interval.
`end`	Returns the end of the interval.
`count`	Returns the number of elements in the interval.
`contains`	Returns true if the interval contains the given value, false otherwise.

Special methods¶
`__str__`	Returns a string representation of this interval.
`__contains__`	Operator overloading for LSInterval.contains().
`__len__`	Returns the number of elements in this interval (same result as LSInterval.count()).
`__iter__`	Returns an iterator for the content of this interval.

Instance methods¶

LSInterval.is_void()¶

Returns true if the interval is void. A void interval is an empty interval with no valid start or end bounds.

Returns: True if the interval is void.
Return type: bool

LSInterval.is_degenerate()¶

Returns true if the interval is degenerate. A degenerate interval is an interval with equal start and end bounds. It does not contain any element however.

Returns: True if the interval is degenerate.
Return type: bool

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LSInterval.start()¶

Returns the start of the interval. Cannot be called on a void interval as it does not have a valid start.

Returns: Start of the interval.
Return type: int

LSInterval.end()¶

Returns the end of the interval. Cannot be called on a void interval as it does not have a valid end.

Returns: End of the interval.
Return type: int

LSInterval.count()¶

Returns the number of elements in the interval. A void or degenerate interval does not contain any element.

Returns: Number of elements in the interval.
Return type: int

LSInterval.contains(value)¶

Returns true if the interval contains the given value, false otherwise.

Parameters: value – Element whose presence in this interval is to be tested.
Returns: True if the interval contains the value.
Return type: bool

Special operators and methods¶

LSInterval.__str__()¶

Returns a string representation of this interval.

Returns: String representation of this interval.
Return type: str

LSInterval.__contains__(value)¶

Operator overloading for LSInterval.contains().

Returns: True if the interval contains the value.
Return type: bool

LSInterval.__len__()¶

Returns the number of elements in this interval (same result as LSInterval.count()).

Returns: Number of elements in the interval.
Return type: int

LSInterval.__iter__()¶: Returns an iterator for the content of this interval.