Wrong values with COSINE!


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  1. #1
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    Question it's not about integers...

    I wasn't talking about integers... i noticed that you wre only concentrating on me sending many posts.. why not concentrating about the contents of posts?

    the cosine and sine functions are not giving the basic answers...they are giving results in twos's complement!

    for example, instead of giving a "1" for "cosine 0", it is giving 127!!

    i need to go to the normal numbering system... anyone has a hint?

  2. #2
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    Default

    >> i noticed that you wre only concentrating on me sending many posts..

    That's what System Admins are supposed to so...

    >> why not concentrating about the contents of posts?

    You'll have a solution about an hour after despositing US$5K in my Bank Account... there's around a couple of dozen people on this forum that also have the skills and could probably get it down to thirty minutes... Somebody may do it for free if you're lucky and post it on the forum, but until then be patient... a lot of people only look at this list once or twice a week.

  3. #3
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    Default Well you must be right..

    Quote Originally Posted by Melanie
    >> i noticed that you wre only concentrating on me sending many posts..

    That's what System Admins are supposed to so...

    >> why not concentrating about the contents of posts?

    You'll have a solution about an hour after despositing US$5K in my Bank Account... there's around a couple of dozen people on this forum that also have the skills and could probably get it down to thirty minutes... Somebody may do it for free if you're lucky and post it on the forum, but until then be patient... a lot of people only look at this list once or twice a week.
    -----------------------------------------------------------------

    Well,

    i'll wait as you advice me but i really need a quick answer...i posted this msg in several websites and even sent a mail to picbasic pro community.. i hope i'll get at least one good answer!

  4. #4
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    Talking

    Uuuhhhh...

    Super-Mel is right, don't cry as a angry kid !!!!


    Use your brain, or source it out !

    Transfering a value of 0-360 to 0-255 ?
    What a heavy task !
    perhaps: x*255/360 ?

    And now, the final:
    Converting a number -127..127 to -1..1 ?
    perhaps: x/127 ?

    Have a nice day, coding the FP-math. And after that you will see, it is not necessary, because your real problem has another - slim - solution.

    Or use some of these f******* C-dinos around us.
    PBP 2.50C, MCS+ 3.0.0.5, MPLAB 8, MPASM 5.14, ASIX Presto, PoScope, mE mikroBasic V7.2, PICKIT2

  5. #5
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    Talking But look...

    It's not at all as you thought dear Mr intelligent...

    By the way, thanks for your friendly reply! you're so much sociable and i think all your friends envie you

    there real problem is that i have tried your small equation... maybe befor you were born! but it didn't work at all..... i wonder what is the mistery and this is why i have asked a help....

    THIS EQUATION DOES NOT WORK... just try it and you will see! don't just "talk", try and tell me the result... are you getting real values???

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    Hi,

    Please don't insult me if the link below it is not useful to you!

    http://www.emesystems.com/BS2math3.htm#arcCos

    Luciano

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    Talking Idiot Inside or Outside ????

    Quote Originally Posted by Luciano
    Hi,

    Please don't insult me if the link below it is not useful to you!

    http://www.emesystems.com/BS2math3.htm#arcCos

    Luciano
    Hi Luciano,

    You like living dangerously ...

    Our Genius told you it was VERY IMPORTANT and VERY URGENT... a question of life ; might be yours !!!

    May be we've forgotten to tell him 8th Bit is sign and 7 others the absolute value in 1/127 steps.

    Gee, I run and upload my Marlin 444 ... one never knows.

    Good night, Mr Genius ...

    Alain
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************

  8. #8
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    Quote Originally Posted by Eng4444
    It's not at all as you thought dear Mr intelligent...

    By the way, thanks for your friendly reply! you're so much sociable and i think all your friends envie you

    there real problem is that i have tried your small equation... maybe befor you were born! but it didn't work at all..... i wonder what is the mistery and this is why i have asked a help....

    THIS EQUATION DOES NOT WORK... just try it and you will see! don't just "talk", try and tell me the result... are you getting real values???

    You don't know to whom you are talking - Stupid!

    I worked with computers long time before there was a PC. We worked with this cases with blinking lights and switches in front...
    I think, I know what bits look like and how to implement calculations ....

    And now - I'm sitting around, waiting for you and all your friends...
    But THEY will not help you!
    PBP 2.50C, MCS+ 3.0.0.5, MPLAB 8, MPASM 5.14, ASIX Presto, PoScope, mE mikroBasic V7.2, PICKIT2

  9. #9
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    Thumbs up Hey people.... thanks for your replies!:)

    Some of you are good ones and others are.... really bad! especially the one of lights and bulbs! haha.

    Dear Sirs,

    my question was simple and clear. You do not have to worry about what i am doing and why i did not use a table! you really have smart ideas there! but i just needed to see if there is one single HEAD of you able to solve this matter...

    i have 3 possibilities other than using TABLES.. but i still only have to solve this matter which is:
    i need to use the provided "cosine" question in the PicBasic Pro tutorial in order to get the usual answers... like cos 0 = 1 and cos 90 = 0 etc etc

    so just in case someone has a method, please say it and give the method otherwise, if it is only for dummie answers and stupidities, i have enough of IMPORTANT things to deal with and not obliged deal with bulbs and lights or anything else....

    By the way Mr Bulb, as long as I DUNNO WITH WHOM I AM TALKING.... why don't you show me what do you have INSIDE your brain? and not just what you USED to do in the past?

    maybe still dealing with bulbs till now?..........

    Come on people! the world has changed! lol

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