---
name: "fixsqrt"
section: "3alleg"
platform: "linux"
package: "liballegro-doc"
version: "2:4.2.2-2.2"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/fixsqrt"
---

# fixsqrt(3alleg)

Fixed point square root. Allegro game programming library.

## NAME

fixsqrt - Fixed point square root. Allegro game programming library.

## SYNOPSIS

**#include \<allegro.h\>**

**fixed fixsqrt(fixed x);**

## DESCRIPTION

This finds out the non negative square root of \`x'. If \`x' is negative, \`errno' is set to EDOM and the function returns zero.

## SEE ALSO

, [**exfixed**(3alleg)](/exfixed/3alleg.md), [**exlights**(3alleg)](/exlights/3alleg.md), [**exspline**(3alleg)](/exspline/3alleg.md)