daft.functions.is_inf#

def is_inf(expr: Expression) -> Expression:
    """Checks if values in the Expression are Infinity.

    Returns:
        Expression: Boolean Expression indicating whether values are Infinity.

    Note:
        Nulls will be propagated! I.e. this operation will return a null for null values.

    Examples:
        >>> import daft
        >>> from daft.functions import is_inf
        >>>
        >>> df = daft.from_pydict({"data": [-float("inf"), 0.0, float("inf"), None]})
        >>> df = df.select(is_inf(df["data"]))
        >>> df.collect()
        ╭───────╮
        │ data  │
        │ ---   │
        │ Bool  │
        ╞═══════╡
        │ true  │
        ├╌╌╌╌╌╌╌┤
        │ false │
        ├╌╌╌╌╌╌╌┤
        │ true  │
        ├╌╌╌╌╌╌╌┤
        │ None  │
        ╰───────╯
        <BLANKLINE>
        (Showing first 4 of 4 rows)

    """
    return Expression._call_builtin_scalar_fn("is_inf", expr)