> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# floor()

<span id="atoti.math.floor" />

> atoti.math.floor(<br />
>     *measure*: VariableMeasureConvertible,<br />
>     /,<br />
> ) → MeasureDefinition

Return a measure equal to the largest integer \<= to the passed measure.

```pycon theme={"languages":{"custom":["/engine/python-sdk/0.9/languages/pycon.tmLanguage.json"]}}
>>> df = pd.DataFrame(
...     columns=["City", "A", "B", "C", "D"],
...     data=[
...         ("Berlin", 15.0, 10.0, 10.1, 1.0),
...         ("London", 24.0, 16.0, 20.5, 3.14),
...         ("New York", -27.0, 15.0, 30.7, 10.0),
...         ("Paris", 0.0, 0.0, 0.0, 0.0),
...     ],
... )
>>> table = session.read_pandas(df, keys={"City"}, table_name="Math")
>>> cube = session.create_cube(table)
>>> l, m = cube.levels, cube.measures
>>> m["⌊C⌋"] = tt.math.floor(m["C.SUM"])
>>> cube.query(m["C.SUM"], m["⌊C⌋"], levels=[l["City"]])
          C.SUM ⌊C⌋
City
Berlin    10.10  10
London    20.50  20
New York  30.70  30
Paris       .00   0
```

### Parameters

<h4 id="atoti.math.floor.measure">
  *measure*
</h4>

> VariableMeasureConvertible