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.