Where can I find the math library?
-----Mensaje original-----
De: Holger Klawitter <[EMAIL PROTECTED]>
Para: Palm Developer Forum <[EMAIL PROTECTED]>
Fecha: Sábado, 14 de Abril de 2001 03:40 p.m.
Asunto: Re: power of a number
>Nicolas Raitman wrote:
>>
>> how can I do the following: a ^ b.
>> I guess it is quite simple but I cannot find a function to do it.
>
>What kind of numbers are you working with?
>
>For floats you have to use "pow()" from the Math Libarary.
>
>For Integers probably want to write your own. This one is quite fast:
>
>WhatEver powInt( WhatEver a, Int b ) {
> WhatEver res = 1;
> Boolean neg = (b < 0);
> if( neg ) {
> if( a==0 ) error;
> b = -b;
> }
> while( b ) {
> if( b & 1 ) res *= a;
> a *= a;
> b = b >> 1;
> }
> if( neg ) res = 1/res;
> return res;
>}
>
>
>With kind regards / Mit freundlichem Gruß
> Holger Klawitter
>--
>Holger Klawitter
>[EMAIL PROTECTED] http://www.klawitter.de
>
>
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