> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/sidef-lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/sidef-lang/programming_tasks/i/infinity.md).

# Infinity

```ruby
var a = 1.5/0        # Inf
say a.is_inf         # true
say a.is_pos         # true
 
var b = -1.5/0       # -Inf
say b.is_ninf        # true
say b.is_neg         # true

var inf = Inf
var ninf = -Inf
say (inf == -ninf)   # true
```