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    <p>Some advice, even if it's not really an answer... You can't work like that, even for such a small project: you have to tackle one problem at a time.</p> <p>Basically, you tried to write your whole program, and <em>then</em> only to compile it: you need to write your different functions and test them separately, especially since you are a beginner.</p> <p>For instance, if you want to compile with gmplib, write something like this:</p> <pre><code>#include &lt;gmp.h&gt; int main () { mpz_t x; return 0; } </code></pre> <p>try to compile it and see what happens. If you have a compilation error, you will have a small piece of code that you can post here: add the exact message of your compiler, and the people here will help you instead of closing your question (again...).</p> <p>This would be the <em>first</em> problem: compiling with another library. Once this works, you can add a <em>small</em> piece of your own code, recompile it and test what you have so far.</p> <p>For instance, add your class declaration with a minimal definition for the functions: don't write the implementation, just a nearly empty body, e.g:</p> <pre><code>class OneClass { void pgcd (mpz_t, mpz_t, mpz_t) { /* empty function */ } // etc }; </code></pre> <p>you will be able (hopfully, it will be easy) to spot that you miss a semicolon at the end of your class declaration, and that your Transcoder function return a mpz_t, wich is illegal because mpz_t is a typedef for an array.</p> <p>Then, when this works, add the implementations of your function one by one, in an order that allow you to test them <em>as you write them</em>.</p> <p>You will be much more efficient, as it will be easier for you to know <em>where</em> you problem comes from.</p> <p>In short, finding an error in the two lines you just added (if you know the rest is correct) is easy, but finding all the errors in such a big file is long and painfull...</p> <p>Write one piece of code, compile it, test it and then only write the next one: it will pay !</p> <p>Edit: actually, you will need to <em>use</em> one function in the library to test if you can link with it properly, but it's the same idea.</p>
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    1. POLinking issue whe compiling cpp code with gmplib on Windows
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    1. USNicolas Grebille
    1. USNicolas Grebille
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    1. COthanks Nicolas :)
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      1. USRahil
 

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