math.floor
Available inall subroutines.
Computes the largest integer value less than or equal to the given value.
In other words, round x
towards negative infinity.
For example, 2.2, 2.5, and 2.7 all floor to 2.0.
Return Value
If x
is math.NAN
, a NaN will be returned.
If x
is integral, ±0, x
itself is returned.
If x
is math.POS_INFINITY
or
math.NEG_INFINITY
, an infinity
of the same sign is returned.
Otherwise, the rounded value of x
is returned.
Try it out
math.floor
is used in the following code examples. Examples apply VCL to real-world use cases and can be deployed as they are, or adapted for your own service. See the full list of code examples for more inspiration.
Click RUN on a sample below to provision a Fastly service, execute the code on Fastly, and see how the function behaves.
Geofence / block access to content by region
Group countries to cache content by custom regions or reject requests from some regions entirely.