Re: Why does atan2 take 2 arguments?

[Andy Dougherty]

On Tue, 17 Oct 2000, Jorg Ziefle wrote:

> I wondered since quite a time why atan2 takes 2 arguments.

Because otherwise it would be atan1? :-)

Two arguments allows the function to gracefully handle infinite slope.
It also allows the function to unambiguously assign the correct quadrant.

-- 
    Andy Dougherty              [EMAIL PROTECTED]
    Dept. of Physics
    Lafayette College, Easton PA 18042