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## Re: Re: Integer Calculation

**From**: |
w . gertzen |

**Subject**: |
Re: Re: Integer Calculation |

**Date**: |
Fri, 28 Jun 2002 11:00:35 +0200 (CEST) |

Hi !
Thanks to Paul Kienzle for his hint !
But there one new question about integer arithmetic.
For unsigned values I need a operation which does 0x0000 - 1 = 0xffff
(16Bit)
Is there no way to define a 16Bit (or 32Bit) signed/unsigned Variable
?????
Wolfgang
>*Paul Kienzle wrote:*
>
>*Try:*
>
>* fix(2/3)*
>* fix(4/3)*
>* rem(0xffff+1,0x10000)*
>* rem(0xffff+1,0x100000000)*
>
>*Paul Kienzle*
>*address@hidden*
>*> On Wed, Jun 26, 2002 at 10:09:40AM -0500, address@hidden*
wrote:
>*> Hi !*
>*> I try to use Octave to simulate a velocity controller.*
>*> This controller software normaly runs on a 68040 based*
>*> board.*
>*> The controller made use of 16Bit and 32Bit values*
>*> wich can be signed or unsigned.*
>*> So when I try to simulate the velocity controller*
>*> I have the problem that Octave can't handle 16/32Bit Integer*
>*> arithmetik.*
>*> Examples (what I need):*
>*> 2/3 = 0*
>*> 4/3 = 1*
>*> 0xffff + 1 = 0 ! (16Bit Value)*
>*> 0x0000ffff + 1 = 0x00010000 ! (32Bit Value)*
>*> So for some variables I didn't want to use a float value !!*
>*> Or is it impossible because every variable inside octave is a flot*
>*> value ?*
>*> Thanks*
>*> Wolfgang*
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