delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/1999/12/06/05:43:47

From: "Thomas Annandale" <lonely AT cc DOT gatech DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Help needed with a program I am writing
Date: Mon, 6 Dec 1999 03:27:24 -0500
Organization: Georgia Institute of Technology, Atlanta GA, USA
Lines: 35
Message-ID: <82frur$2ub$1@news-int.gatech.edu>
References: <dPE24.416$wM4 DOT 28044 AT news-west DOT eli DOT net> <82f61g$54c$1 AT nntp8 DOT atl DOT mindspring DOT net> <384B316E DOT 91AE9766 AT snetch DOT cpg DOT com DOT au>
NNTP-Posting-Host: r51h55.res.gatech.edu
X-Trace: news-int.gatech.edu 944468763 3019 128.61.51.55 (6 Dec 1999 08:26:03 GMT)
X-Complaints-To: usenet AT news DOT gatech DOT edu
NNTP-Posting-Date: 6 Dec 1999 08:26:03 GMT
X-Newsreader: Microsoft Outlook Express 4.72.3110.1
X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Michael Abbott aka frEk <20014670 AT snetch DOT cpg DOT com DOT au> wrote in message
<384B316E DOT 91AE9766 AT snetch DOT cpg DOT com DOT au>...
>Heya
>
>Marp wrote:
>
>> P K <paulkennedy AT citlink DOT net> wrote in message
>> news:dPE24.416$wM4 DOT 28044 AT news-west DOT eli DOT net...
>> <snip>
>>
>> >     cos_table[a]=cos((float)a/180 * pi);
>> >     sin_table[a]=sin((float)a/180 * pi);
>>
>> I'm not sure why you get the error you do, but you want the a/180 to be
>> calculated first, right? You have to surround that with parenthesis
>> otherwise the 180 * pi gets calculated first (order of operations) and
you
>> get a different number from the one you want.
>
>I'm not sure about that one... Isn't * on the same level as / which means
that
>anything on that level gets calculated from left to right? Correct me if
I'm
>wrong :)
>
>- Michael
>

Yeah, you're right.  Marp is dumb.

-Thomas
http://www.prism.gatech.edu/~gte829m


- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019