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Type: Posts; User: LMHmedchem

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  1. Re: error: ‘pointCloud’ was not declared in this scope

    I need to wake up at some point today, or just go back to bed and start again tomorrow.

    I also see that I have quite a number of errors from the open GL included file glu.h. I'm not sure what you...
  2. Re: error: ‘pointCloud’ was not declared in this scope

    Sorry, I missed your first post.

    What is the reason for the compiler error if I am not missing anything?

    I am also getting this error,

    src/main.cpp:16:19: error: expected primary-expression...
  3. Re: error: ‘pointCloud’ was not declared in this scope

    I have found this site that appears to be for the library I need,

    http://docs.pointclouds.org/trunk/index.html

    I would have expected there to be some information in the code about what...
  4. error: ‘pointCloud’ was not declared in this scope

    Hello,

    I am trying to build a math app I got from github and it seems like I am missing something in my local config. I am getting a compiler error,

    error: ‘pointCloud’ was not declared in this...
  5. Re: [RESOLVED] how can i save a structure on a file?

    Hello,

    In the spirit of re-usable code, a json file is basically an object stored as a file and not in memory. Why not use existing code like JSONCPP to write your data to json files instead of...
  6. Re: annoying issue with make, will not auto create build directory

    I have replaced the make command,


    # create build directory if it doesn't exist
    $(BDIR):
    @mkdir -p $(BDIR)


    with some shell commands,
  7. annoying issue with make, will not auto create build directory

    Hello,

    I have a make file that gathers some local information and uses it (in theory) to create a locally named build directory if it doesn't exist.

    SOURCELOC = ./src

    # get version of g++...
  8. Replies
    5
    Views
    520

    Re: cpp function ends but does not return

    Well I did what I often do in a case like this and comment out all of the code in the function except the return and one print statement. I get the print statement in the function, but still no...
  9. Replies
    5
    Views
    520

    Re: cpp function ends but does not return

    There are classes here, but I haven't intentionally set up any destructors. All of the objects just go away when the function returns.


    There are allot of vectors and some maps, but that part of...
  10. Replies
    5
    Views
    520

    cpp function ends but does not return

    Hello,

    I am having difficulty diagnosing a problem because I can't see where it is happening. In short, I have a fortran function that is calling a cpp function.

    In fortran


    INTEGER...
  11. Replies
    12
    Views
    1,139

    All possible combinations problem

    Hello,

    I have to create all possible combinations of some string data.

    The input data is string and looks like,

    b_00000000011100000000000

    For a given input string, I need to generate all...
  12. Re: search vector of objects for object with specific attribute value

    Well I have something working with the following,


    class important_vertex {
    public:
    // initialize class members
    important_vertex()
    : vertex_number(0),
    some_other_value(0)...
  13. search vector of objects for object with specific attribute value

    Hello,

    I run into this often enough that I would like to lock down a good method.

    If I have a simple class and a container,


    class important_vertex {
    public:
    // initialize class members
  14. Re: difficult problem of finding a specific numerical minimum in fuzzy series

    This is the code for calculating pearsons r2 and the standard error of regression,


    // declarations
    unsigned int pred_train_count=0;
    double pred_train_sum=0.0, pred_train_mean=0.0;

    //...
  15. Replies
    5
    Views
    782

    Re: (Begginer) problem with sum c++

    I don't see any code here to convert text read in from the file to double. I usually use getline() to read in each line of text and store it as a string. Then I parse the string if it is delimited...
  16. Re: how to build C Source code with Makefile

    You typically build with a makefile using the command,

    make -f ./make_file_name all
    run from the directory containing the make file.

    You should post your make file as text in [code] tags or as...
  17. Re: difficult problem of finding a specific numerical minimum in fuzzy series

    I have checked my SE values against Excel and R and they have been calculated correctly. That may not be exactly what you are getting at with you post, but the fact remains that this is an issue with...
  18. Re: difficult problem of finding a specific numerical minimum in fuzzy series

    Thank you for the thoughtful replies. I have suspected that this would involve identifying all the minima and maxima or looking at the y distance between, so it's interesting that those are the two...
  19. difficult problem of finding a specific numerical minimum in fuzzy series

    Hello,

    I am having difficulty determining an algorithm that will find a specific minimum in a series of float.

    Consider the sample series of numbers,


    34.6 36.1 33.9 51.3 73.1 ...
  20. Re: compiler error with function to sort vector of objects on member variable value

    Thanks for the information. I always seem to end up with some issue where I need to sort vectors of objects and I am beginning to think I should just plan on having an object sorting function with...
  21. Re: compiler error with function to sort vector of objects on member variable value

    Well it looks like I was just missing a comma after dispersion_subgraph_list.end() in the last line. At least it compiles when I add the comma back in. That was pretty dumb of me to miss.

    Other...
  22. compiler error with function to sort vector of objects on member variable value

    Hello,

    I tried to set up a function to sort a vector of objects like I did in this thread,...
  23. linker error, can't see the problem, not sure what to do next

    Hello,

    I have a function in one src file called from code in a different src file.

    In ig_cfunc.cpp


    #include "ig_tools.h"

    int x2_count = 0.0;
  24. Replies
    4
    Views
    928

    find object in vector and delete

    Hello,

    I have this class I have been working with,


    // objects to hold results, row id, and name
    class result_holder {

    public:
    // initialize class members
  25. Replies
    16
    Views
    1,889

    Re: sort vector of objects on member variable

    At the moment, I have the following,

    file matrix.h


    // objects to hold results, row id, and name
    class result_holder {
    public:

    // initialize class members
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