I've only taken Calculus so that's really not an option. All I really want to know is, do I have to install Mathlib.prc in order to use it in a program I've written, or can I simply include it upon compilation?
--- In [EMAIL PROTECTED], "Dennis Leas" <[EMAIL PROTECTED]> wrote: > Perhaps you should look into writing your own arctan function. A good text > on numerical methods will show that it's not very difficult, generally some > kind of series expansion. > > Dennis Leas > ------------------- > [EMAIL PROTECTED] > > > ----- Original Message ----- > From: "Brian Preston" <[EMAIL PROTECTED]> > To: "Palm Developer Forum" <[EMAIL PROTECTED]> > Sent: Friday, January 31, 2003 9:51 AM > Subject: Re: SysFataAlert : can't find Mathlib > > > > Sorry about the double post but I figured a subject > > might be helpful. > > > > No, I was under the impression (from reading other > > threads related to this topic) that you didn't have to > > install mathlib.prc, that you could just include what > > you want. > > > > I'm developing an app that I eventually want to sell > > and distribute, and I don't want to have to tell my > > users that they have to install Mathlib in addition to > > my app. > > > > The main thing I need (besides some decent, simple > > rounding and sqrt functions) is the ability to find an > > angle from a pair of coordinates, e.g. going from > > (0,0) to (2,2) is a 45 degree bearing. After doing a > > fair amount of searching on this I've found I want the > > arctan, or atan2() function. However, this function > > returns radian which I then have to convert to > > degrees. > > > > In the meantime while I'm trying to get Mathlib > > working, I've been using the fdlibm.h and just > > including the 2-3 c files I need from there. But the > > atan2() function is returning strange values. > > > > --------------------------------------- > > From: "Chris Apers" <[EMAIL PROTECTED]> > > Date: Fri Jan 31, 2003 8:22 am > > Subject: Re: SysFatalAlert : can't find MathLib > > > > > > Did you install Mathlib.prc on your device ? > > > > ----- Original Message ----- > > From: "Brian Preston" <[EMAIL PROTECTED]> > > To: "Palm Developer Forum" <[EMAIL PROTECTED]> > > Sent: Friday, January 31, 2003 3:14 PM > > Subject: SysFatalAlert : can't find MathLib > > > > > > > I'm trying to use MathLib (obviously). I've followed > > > the directions on how to include it from their site, > > > which is basically including the following code in > > the > > > AppStart() > > > > > > Err error; > > > > > > error = SysLibFind(MathLibName, &MathLibRef); > > > if (error) > > > error = SysLibLoad(LibType, MathLibCreator, > > > &MathLibRef); > > > ErrFatalDisplayIf(error, "Can't find MathLib"); > > > error = MathLibOpen(MathLibRef, MathLibVersion); > > > ErrFatalDisplayIf(error, "Can't open MathLib"); > > > > > > Then some code to clean this up in AppStop(), as > > well > > > as including Mathlib.h in whichever additional > > source > > > files use the math functions. The code above, in > > > AppStart(), is where the error is thrown. > > > > > > I'm using CW 8, and I've added both Mathlib.c and > > > Mathlib.h to my project. Any ideas what I'm doing > > wrong? > > > > > > > > > > > __________________________________________________ > > Do you Yahoo!? > > Yahoo! Mail Plus - Powerful. Affordable. Sign up now. > > http://mailplus.yahoo.com > > > > -- > > For information on using the Palm Developer Forums, or to unsubscribe, > please see http://www.palmos.com/dev/support/forums/ > > > > > -- > For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/ __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
