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  1. Re: Array of constant values as template parameter

    Oh yeah,

    And I also forgot to add that one of the real tricks is finding reliable ways to coerce the compiler into constant-folding the coefficients, not merely getting the math unrolled. This...
  2. Re: Array of constant values as template parameter

    Yes. I agree, I agree and I agree with all three sections of your text.

    And I really do like your C-style array suggestion. In fact, I'm just in the process of seeing how it is unrolled or even...
  3. Re: Array of constant values as template parameter

    With pointer : Yes and no.
    With std::array : Yes.

    I am simultaneously investigating compiler-time unrolling in combination with compiler-time constants. The constants in a const...
  4. Re: Array of constant values as template parameter

    No, that one did not work.

    But this cool tidbit works with GCC. I tested it with GCC 4.5.2



    #include <initializer_list>

    template<const unsigned order>
    struct orderN_math
  5. Array of constant values as template parameter

    Hello,

    It's been a while since I checked in here.

    Is it possible to use an array of constant values as a template parameter. I am writing preliminary benchmark code for ISO/IEC 14882:2011, so I...
  6. Re: Subtle differences in std::vector

    Thanks. All of this helped.

    Sincerely, Chris.
  7. Re: Subtle differences in std::vector

    I can understand that. In fact, for a day or so, I was content to just figure it along those lines.

    But is this really an implementation detail? What if someone wanted to use some ctor/dtor...
  8. [RESOLVED] Subtle differences in std::vector

    Hello,

    I am studying subtle differences in the implementation of std::vector<T> for Microsoft and GCC compilers.

    The program shown below gives different output for the two compilers. You need...
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    Re: How to delete ptr from placement-new?

    Quicker than a blitz as usual, Paul.
    Thanks.
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    How to delete ptr from placement-new?

    Hi Gurus,

    I know, I must be a dork for not knowing it. But how do you delete a pointer created with placement-new? I'm trying to get with the sample below and I keep thinking that there should be...
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    Re: Tasteless mimic of operator new: Call ctor

    Thanks for the further suggestions.

    The types I am creating with placement new never delete. They also don't alocate any further resources internally.

    It's kind of a funny region --- the world...
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    Re: C++ Evolution Clarity

    Thanks. Chris.
  13. Replies
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    Re: Tasteless mimic of operator new: Call ctor

    Lindley, I can't add to your rep any more because the box won't let me. Wants me to spread it around.

    But you rock. All the other gurus too.

    Bye, Chris.
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    Re: Tasteless mimic of operator new: Call ctor

    Oh. I have heard of those, variadic templates. They came up in a previous post.

    Maybe I'll go into the intricate depths of the templates and try it again.

    Maybe I can make it prettier the next...
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    Re: Tasteless mimic of operator new: Call ctor

    Yes, what an astute observation. Thank you.

    I tried it that way a few times, but lost confidence because of the complexity of the solution details.

    At first, I actually did make a global...
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    Re: Tasteless mimic of operator new: Call ctor

    Right now my custom buffer returns zero if the call to placement new exceeds the available memory in the buffer. Perhaps I should add to my custom buffer a public member which can be queried...
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    Re: Tasteless mimic of operator new: Call ctor

    May I clarify my question now that I have worked on this a while?

    If my custom buffer returns (void*) 0u, will placement new correspondingly return 0?

    For a bit of background: I am working on...
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    C++ Evolution Clarity

    Hello Gurus,

    Could you please clarify some technical isses regarding C++ evolution?

    Background::thumb:

    There is ISO/IEC 14882:2003, also known as C++ 2003.
    There is also ISO/IEC...
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    Re: Tasteless mimic of operator new: Call ctor

    So just one more thing...

    Can I coerce placement new to return 0 if my custom buffer is full?

    If so, how?

    Sincerely, Chris.
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    Re: Tasteless mimic of operator new: Call ctor

    Oh... Silly me! You guys mean it's already there.

    I got it.

    Please disregard my last post.

    Thanks so much.

    Sincerely, Chris.
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    Re: Tasteless mimic of operator new: Call ctor

    Yes, thank you.

    [Edited]: Disregard previous text.
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    Tasteless mimic of operator new: Call ctor

    Hello Gurus,

    I'm working on a few generic code sequences which should in some ways mimic the functionality of global operator new. I believe the code might be considered in bad taste. However, I...
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    Re: Explicit Template Confusion

    Thanks superbonzo.

    I have used your suggestion, adapted to the application.
    The language issues are working out!
    The application still has a problem, but that is an unrelated issue.

    Always a...
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    Explicit Template Confusion

    Hi Gurus,

    Howdy, I've been gone a while.

    I would like to make specializations of a template subroutine within the specialization of a template struct.


    I know that the standard does not...
  25. Re: Variable Template Params On Function in Template Class

    Makes sense. Thanks.

    Best Regards, Chris
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