I can confirm. i know some people in the car industry and that
software fall into the same bucket as law and sausage: you don't
want to know how it's done.
On Sunday, 27 November 2016 at 02:28:06 UTC, jmh530 wrote:
On Saturday, 26 November 2016 at 16:31:40 UTC, Ilya Yaroshenko
wrote:
https://github.com/libmir :
- mir - Generic numeric library
- dcv - D Computer Vision library
- mir-glas - Linear Algebra Subprograms (written in D)
- mir-random
On 26/11/16 07:50, Walter Bright wrote:
I'd like to know what really happened with the code.
But as someone who has worked on flight critical systems for airliners,
the designs are required to account for any single failure of anything.
That means all inputs must be validated for "reasonablenes
On Saturday, 26 November 2016 at 16:31:40 UTC, Ilya Yaroshenko
wrote:
https://github.com/libmir :
- mir - Generic numeric library
- dcv - D Computer Vision library
- mir-glas - Linear Algebra Subprograms (written in D)
- mir-random - random numbers generators, includes non-uniform
distribu
On 11/26/2016 3:16 AM, deadalnix wrote:
On Saturday, 26 November 2016 at 05:50:19 UTC, Walter Bright wrote:
It reminds me of college, where we were told that if we worked a problem and
came up with unreasonable answers, such as negative energy, we were expected
to note:
"I know this answer i
On 26.11.2016 23:16, Timon Gehr wrote:
On 26.11.2016 22:36, Timon Gehr wrote:
Thanks! Sorry, I forgot to mention partitioning around the lower/upper
median is also needed. It seems that changes the tradeoff space. --
Andrei
Did you see the suggestion to make the leanLeft/leanRight cases
sym
On 26.11.2016 22:36, Timon Gehr wrote:
Thanks! Sorry, I forgot to mention partitioning around the lower/upper
median is also needed. It seems that changes the tradeoff space. --
Andrei
Did you see the suggestion to make the leanLeft/leanRight cases
symmetric, such that both use at most 4 bra
On Saturday, 26 November 2016 at 20:13:36 UTC, Andrei
Alexandrescu wrote:
Also I'm thinking of removing std.random's dependency on
druntime, e.g. by removing the uses of enforce. Thoughts?
There's no strong reason for those checks to be done via
`enforce` except for a design decision that user
On 26.11.2016 22:11, Andrei Alexandrescu wrote:
On 11/26/2016 03:19 PM, Timon Gehr wrote:
The following code (which I found using a quick brute-force search) uses
at most 4 comparisons.
int median(bool leanRight)(int[4] a){
static if(leanRight){
return
a[a[0]
Thanks! Sorry, I for
On Saturday, 26 November 2016 at 20:19:38 UTC, Timon Gehr wrote:
The following code (which I found using a quick brute-force
search) uses at most 4 comparisons.
Which is probably the way to go. I was considering doing
something similar for small sorting and the like, letting it get
an optimi
On 11/26/2016 03:19 PM, Timon Gehr wrote:
The following code (which I found using a quick brute-force search) uses
at most 4 comparisons.
int median(bool leanRight)(int[4] a){
static if(leanRight){
return
a[a[0]
Thanks! Sorry, I forgot to mention partitioning around the lower/uppe
On Saturday, 26 November 2016 at 20:13:36 UTC, Andrei
Alexandrescu wrote:
On 11/26/16 11:31 AM, Ilya Yaroshenko wrote:
Hey,
32-bit Mt19937 random number Generator is default in Phobos.
It is default in Mir too, except that 64-bit targets use
64-bit Mt19937
instead.
The last Mir Random beta i
On 26.11.2016 18:17, Andrei Alexandrescu wrote:
I'm submitting the median paper to
http://2017.programmingconference.org/track/programming-2017-papers. (It
was rejected by ALENEX... the short story is there was no open-source
implementation and they simply didn't buy the results.)
Now I have a C
On 11/26/16 11:31 AM, Ilya Yaroshenko wrote:
Hey,
32-bit Mt19937 random number Generator is default in Phobos.
It is default in Mir too, except that 64-bit targets use 64-bit Mt19937
instead.
The last Mir Random beta improves performance for Mt19937.
The goal was to:
Congrats! Also thanks fo
On 11/25/2016 09:15 PM, rikki cattermole wrote:
std.math.random
The idea here is not to find new tricks for each of the modules we want
to evolve, but instead devise a systematic migration path. -- Andrei
On 11/26/2016 01:55 AM, Martin Nowak wrote:
On Saturday, 26 November 2016 at 06:46:19 UTC, Martin Nowak wrote:
Maybe non-copyability needs to become a requirement for InputRanges.
Could have an optional .clone if copying is supported.
What would be an InputRange where copying is correct?
Inp
I'm submitting the median paper to
http://2017.programmingconference.org/track/programming-2017-papers. (It
was rejected by ALENEX... the short story is there was no open-source
implementation and they simply didn't buy the results.)
Now I have a C++ implementation available. I wanted to ask f
Hey,
32-bit Mt19937 random number Generator is default in Phobos.
It is default in Mir too, except that 64-bit targets use 64-bit
Mt19937 instead.
The last Mir Random beta improves performance for Mt19937.
The goal was to:
1. Improve RNG generation performance by making code more
friendly f
On Saturday, 26 November 2016 at 06:55:24 UTC, Martin Nowak wrote:
Should we split off this discussion to a dlang-study thread?
I would personally really welcome that, but subject to the
understanding that people agree to look seriously at random
algorithms (like RandomSample) and not focus t
On Saturday, 26 November 2016 at 06:46:19 UTC, Martin Nowak wrote:
Yes the problems are inadvertent copies and a disabled
this(this) would prevent that. RNGs should have unique
ownership of their internal state.
Using InputRanges with phobos is somewhat clumsy. Maybe people
have been burned by
On Friday, 25 November 2016 at 15:30:35 UTC, Steven Schveighoffer
wrote:
But I think Walter's scope changes (DIP 1001 I think?) will
make it so the compiler rejects this even in non-safe mode.
Rejecting it would be nice...
Although I wonder... I've been wondering and thinking about if
we co
On Saturday, 26 November 2016 at 05:50:19 UTC, Walter Bright
wrote:
It reminds me of college, where we were told that if we worked
a problem and came up with unreasonable answers, such as
negative energy, we were expected to note:
"I know this answer is unreasonable, but I cannot find the
Am Fri, 25 Nov 2016 11:43:07 -0800
schrieb "H. S. Teoh via Digitalmars-d" :
> > I hope that the bot don't use a real address because you've forget
> > to uncheck "CC add me to the list"...which means that your address
> > is possibly added to a database.
>
> Oops! :-(
>
If bots really want to
Am Fri, 25 Nov 2016 22:52:18 +
schrieb H. S. Teoh :
> - I did some googling, and found references to compiling with
> `-fPIC -defaultlib=libphobos2.so` instead, i.e., if you don't
> want to recompile druntime/phobos with -fPIC yourself. This also
> works, *provided* you install the Phobos
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