Exceeding the limits

This is a discussion on Exceeding the limits within the C++ Programming forums, part of the General Programming Boards category; Hello ! I'm doing a program that eventully will be calculating big numbers , so big that even not __int64 ...

  1. #1
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    Question Exceeding the limits

    Hello !

    I'm doing a program that eventully will be calculating big numbers , so big that even not __int64 can manage them. My program is running fine till i start exceeding the limits, then it starts to miss calculate. how can i fix this ? i have been trying to get gmp but i didnt understand to install that lol. i would really appriciate an example (source code) of how this can solved. well thanks in advance

  2. #2
    Slave MadCow257's Avatar
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    I couldn't build it either and when I found a program that would build it I said "screw this" and downloaded a prebuilt one from http://www.cs.nyu.edu/exact/core/gmp/

    EDIT
    If your working with numbers larger then _int64, then there's prolly a pretty good chance that your program could use any speed boost that gmp may provide
    Last edited by MadCow257; 01-10-2005 at 04:13 PM.

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    i still dont get how to install it lol

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    Slave MadCow257's Avatar
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    Assuming you are using Visual Studio downlod the static GMP library and header file for Visual C++ then
    Put gmp.h in c:/Program Files/Microsoft Visual Studio/VC98/include and gmp.lib in c:/Program files/Microsoft Visual Studio/VC98/lib I think you also put gmpdebug.lib there too
    Understand?

    EDIT
    O ya, when you go to build your source code
    you need to go to project/settings/link and add gmp.lib in the Object/library modules place
    Last edited by MadCow257; 01-10-2005 at 05:42 PM.

  5. #5
    Bob Dole for '08 B0bDole's Avatar
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    you core store each digit in an int array for example

    4314134002 would be put into the array as follows

    big_number[0] = 4;
    big_number[1] = 3;
    big_number[2] = 1;
    big_number[3] = 4;
    big_number[4] = 1;
    big_number[5] = 3;
    big_number[6] = 4;
    big_number[7] = 0;
    big_number[8] = 0;
    big_number[9] = 2;

    or something like that, I'm pretty sure that would work. I could be having a day long brain fart though
    Hmm

  6. #6
    Rad gcn_zelda's Avatar
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    Don't worry. It happens to the best of us *looks at Govtcheez*

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