Thread: why the C++ Mathematical Expression Library compiled so slow

  1. #1
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    why the C++ Mathematical Expression Library compiled so slow

    Dear friends:
    I downloaded the C++ Mathematical Expression Library from the web, and i uploaded it in the attachment.
    It consists of only one head file. But the compiling process is very slow under opensuse 42.3 with gcc. Could you please give me some advices for that.
    Regards.
    Attached Files Attached Files

  2. #2
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    It consists of only one head file.
    That's the reason it's slow. The header file is very large, and GCC has to recompile it every time you make a change. Unless you can find a version with separate header (interface) and source files, there's no way around this I'm afraid.

  3. #3
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    Thank you very much

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