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Home » Community » Newbie corner » [solved]An U++ equivalent of bzero ? (if not a sin) (Can I bzero a flat array of double, or should I use some container template instead?)

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Re: An U++ equivalent of bzero ? (if not a sin) [message #52646 is a reply to message #52637]

Sun, 03 November 2019 22:34

xrysf03 is currently offline

xrysf03
Messages: 43
Registered: November 2018
Location: CZ

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Actually come to think of that... what if I allocate the buffer dynamically?

double* array_ptr = new double[some_calculated_size];

Will Upp::Zero() know the right size, by any chance? (Talk to the allocator behind the scenes? That would not be very good as a general approach, as in general a pointer needn't point to the beginning of an allocated chunk of memory, it can point to someplace inside an allocated buffer etc.) = I guess I'd better decide whether to use a proper container, or use manual iteration, or stick to memset()...

BTW that floating-point literal zero, written as 0.0, that's a nice trick I didn't know about, thanks Klugier Smile

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[Message index]

		[solved]An U++ equivalent of bzero ? (if not a sin) By: xrysf03 on Sat, 02 November 2019 19:34
		Re: An U++ equivalent of bzero ? (if not a sin) By: Oblivion on Sat, 02 November 2019 21:52
		Re: An U++ equivalent of bzero ? (if not a sin) By: Klugier on Sat, 02 November 2019 22:26
		Re: An U++ equivalent of bzero ? (if not a sin) By: xrysf03 on Sun, 03 November 2019 22:19
		Re: An U++ equivalent of bzero ? (if not a sin) By: xrysf03 on Sun, 03 November 2019 22:34
		Re: An U++ equivalent of bzero ? (if not a sin) By: Oblivion on Sun, 03 November 2019 23:08

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