GNU Scientific Library

This is a discussion on GNU Scientific Library within the C Programming forums, part of the General Programming Boards category; Hi, I need to use the cumulative inverse chi squared distribution as part of my C program. I realise that ...

  1. #1
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    GNU Scientific Library

    Hi,
    I need to use the cumulative inverse chi squared distribution as part of my C program. I realise that the GNU library includes this function:

    http://www.gnu.org/software/gsl/manu...tribution.html

    However, I have no idea how to use it. I would greatly appreciate specific instructions, as I have spent the whole day reading their manual/googleing stuff but couldn't figure it out. I am using Microsoft Visual C++ 6.0, and I am relatively new to C and programming in general.

    Thanks in advance.

  2. #2
    and the Hat of Guessing tabstop's Avatar
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    Well, what's the question? Usually P means probability to the left and Q means probability to the right, if that's what your question is. So the "Pinv" one is probably the one you want.

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    Sorry, I wasn't clear. The question is not about the function, but rather about how to use it within my code. How do I compile it/ link it to be part of my program.. so that I can actually use the functions it provides in my program.

  4. #4
    and the Hat of Guessing tabstop's Avatar
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    Well, if you click on the link you provided you see this:
    Quote Originally Posted by GNU GSL Manual
    2.2 Compiling and Linking
    The library header files are installed in their own gsl directory. You should write any preprocessor include statements with a gsl/ directory prefix thus,

    #include <gsl/gsl_math.h>

    If the directory is not installed on the standard search path of your compiler you will also need to provide its location to the preprocessor as a command line flag. The default location of the gsl directory is /usr/local/include/gsl. A typical compilation command for a source file example.c with the GNU C compiler gcc is,

    $ gcc -Wall -I/usr/local/include -c example.c
    Assuming you are on a *nix box. If you're using an IDE, you'll have to put that in your library path.

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    I'm actually on a Windows box. I'm wondering if I can just copy the file I need into my workspace in MS Visual C++ and try to compile that.

    I'll try that now I guess.

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