| delorie.com/archives/browse.cgi | search |
| Message-Id: | <199812171828.SAA24751@remus.clara.net> |
| From: | "Arthur" <arfa AT clara DOT net> |
| To: | <djgpp AT delorie DOT com> |
| Subject: | RE: sin() and cos() ??? |
| Date: | Thu, 17 Dec 1998 18:27:24 -0000 |
| X-Priority: | 3 (Normal) |
| X-MSMail-Priority: | Normal |
| X-Mailer: | Microsoft Outlook 8.5, Build 4.71.2173.0 |
| Importance: | Normal |
| In-Reply-To: | <199812171034.FAA02881@delorie.com> |
| X-MimeOLE: | Produced By Microsoft MimeOLE V4.72.3110.3 |
| Reply-To: | djgpp AT delorie DOT com |
> off course you know that but...
>
> make it like this:
>
> float sin_d(float x){
> return sin(x*3.1415926/180);
> }
I think in math.h, there is a definition called PI. This is much more
accurate than what you've got here.
So you can use sin(x*PI/180); instead (easier).
James Arthur - jaa AT arfa DOT clara DOT net
http://www.jado.org/users/arfa/
ICQ#15054819
| webmaster | delorie software privacy |
| Copyright © 2019 by DJ Delorie | Updated Jul 2019 |