math.NAN
FLOAT, read-only, constant.
Available inall subroutines.
A value that isnot a number.When converted to aSTRING value, this is rendered asNaN.
Floating Point Classifications
| Name | Value |
|---|---|
math.is_finite | false |
math.is_infinite | false |
math.is_nan | true |
math.is_normal | false |
math.is_subnormal | false |
See the documentation on theFLOAT type for details on these classifications.
Try it out
math.NAN 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 thefull 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.
Comprehensive logging
Fastly offers a myriad of different variables that you can log. See and test a large collection here.
