sema-docs 1.20.2

Canonical structured documentation for Sema builtins/special forms; powers LSP hover/completion and REPL apropos
Documentation 
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---
name: "math/sign"
module: "math"
section: "Interpolation & Clamping"
---

Return the sign of a number: -1, 0, or 1.

```sema
(math/sign -5)     ; => -1
(math/sign 0)      ; => 0
(math/sign 42)     ; => 1
```