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Thread: Linker Can't Find Exp() from Math.h

  1. Aug 15th, 2007, 07:00 AM #1
    fdunford
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    Linker Can't Find Exp() from Math.h

    I am building a DLL to do some bitwise operations and am calling exp() from math.h. Problem is that the linker can't find it. Seems to me like it should be able fo find all ANSI C functions.

    Do I need to include a .obj, .lib or .dll to the project so it can link?
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  2. Aug 20th, 2007, 01:14 PM #2
    Kal-El
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    Re: Linker Can't Find Exp() from Math.h

    What compiler are you using?

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  3. Sep 3rd, 2007, 08:19 AM #3
    tr333
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    Re: Linker Can't Find Exp() from Math.h

    Not sure about Microsoft C compilers, but if you're using GCC you need the "-lm" commandline switch to link the maths.h header file.
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