---
name: "fixsqrt"
section: "3alleg4"
platform: "linux"
package: "allegro4-doc"
version: "2:4.4.3.1-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/fixsqrt/3alleg4"
---

# fixsqrt(3alleg4)

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**(3alleg4), **exlights**(3alleg4), **exspline**(3alleg4)