# sinbell

## Syntax

`int sinbell(int a)`

## Arguments

**a**
- Input value from 0 to 1024

## Return

- Sine-bell-shaped output value from 0 to 1024

## Description

- This is a replacement for a gaussian function. It calculates very quickly. Of course it is only an approximation of a gaussian function.

## Example

%ffp
R=G=B= sinbell(x*1024/X ) > 1024 - y*1024/Y ? 0:255

## Also see

- (sin)?

## Comments

- Everyone can add his comments about his experiences with this function here. Tips for using it are welcome, too.