On 8/4/2016 11:05 PM, Fool wrote:
I understand your point of view. However, there are (probably rare) situations
where one requires more control. I think that simulating double-double precision
arithmetic using Veltkamp split was mentioned as a resonable example, earlier.
There are cases where
On Friday, 5 August 2016 at 06:27:04 UTC, ketmar wrote:
besides, all this thread looks like a thing that is curing
symptoms for me. by introducing general named arguments
support, structure ctors with arbitrary fields comes naturally
then (not without some code, but it will *look* naturally).
On Friday, 5 August 2016 at 06:59:21 UTC, Walter Bright wrote:
On 8/4/2016 11:05 PM, Fool wrote:
I understand your point of view. However, there are (probably
rare) situations
where one requires more control. I think that simulating
double-double precision
arithmetic using Veltkamp split was me
On Friday, 5 August 2016 at 07:04:55 UTC, deadalnix wrote:
Also, there are nice library solution for named argument
already.
i know. but it is a weird hack involving abusing lambdas for
something that should be language's core feature. i did a PoC
patch for named args a while ago (and still m
On Friday, 5 August 2016 at 07:43:19 UTC, Ilya Yaroshenko wrote:
On Friday, 5 August 2016 at 06:59:21 UTC, Walter Bright wrote:
On 8/4/2016 11:05 PM, Fool wrote:
I understand your point of view. However, there are (probably
rare) situations
where one requires more control. I think that simulati
On Thursday, 4 August 2016 at 11:41:00 UTC, Jacob Carlborg wrote:
That works for me [1]. It was reported by Manu and fixed in
2012 [2].
I did some more experimenting, and it turns out that the problem
is when the declaration and definition have different linkage.
Being C++ functions means tha
On Friday, 5 August 2016 at 07:59:15 UTC, deadalnix wrote:
On Friday, 5 August 2016 at 07:43:19 UTC, Ilya Yaroshenko wrote:
You are wrong that there are far fewer of those cases. This is
naive point of view. A lot of netlib math functions require
exact IEEE arithmetic. Tinflex requires it. Pyth
On Friday, 5 August 2016 at 08:15:37 UTC, Ethan Watson wrote:
So that's technically a bug. But. Before I go running off to
the Bugzilla Walter made. Should a user declaring and then
later defining a function be forced to 100% replicate that
function definition before defining it? If yes, then t
On Friday, 5 August 2016 at 08:40:04 UTC, ketmar wrote:
p.s. the only "gotcha" i see is if prototyp declaration is found
*after* the actual function was declared. as D code should not
depend of declaration order, this should be either error, or
(better!) use prototype to "fix" previous definiti
On Friday, 5 August 2016 at 08:17:00 UTC, Ilya Yaroshenko wrote:
1. Could you please provide an assembler example with clang or
recent gcc?
I have better: compile your favorite project with
-Wdouble-promotion and enjoy the rain of warnings.
But try it yourself:
float foo(float a, float b) {
On Friday, 5 August 2016 at 08:43:48 UTC, deadalnix wrote:
On Friday, 5 August 2016 at 08:17:00 UTC, Ilya Yaroshenko wrote:
1. Could you please provide an assembler example with clang or
recent gcc?
I have better: compile your favorite project with
-Wdouble-promotion and enjoy the rain of war
On 8/5/2016 12:43 AM, Ilya Yaroshenko wrote:
You are wrong that there are far fewer of those cases. This is naive point of
view. A lot of netlib math functions require exact IEEE arithmetic. Tinflex
requires it. Python C backend and Mir library require exact IEEE arithmetic.
Atmosphere package re
On 8/5/2016 1:17 AM, Ilya Yaroshenko wrote:
2. C compilers not promote double to 80-bit reals anyway.
Java originally came out with an edict that floats will all be done in float
precision, and double in double.
Sun had evidently never used an x87 before, because it soon became obvious that
On Friday, 5 August 2016 at 08:43:48 UTC, deadalnix wrote:
On Friday, 5 August 2016 at 08:17:00 UTC, Ilya Yaroshenko wrote:
1. Could you please provide an assembler example with clang or
recent gcc?
I have better: compile your favorite project with
-Wdouble-promotion and enjoy the rain of war
On 8/5/2016 12:43 AM, Ilya Yaroshenko wrote:
You are wrong that there are far fewer of those cases. This is naive point of
view. A lot of netlib math functions require exact IEEE arithmetic. Tinflex
requires it. Python C backend and Mir library require exact IEEE arithmetic.
Atmosphere package re
On Friday, 5 August 2016 at 09:24:49 UTC, Walter Bright wrote:
On 8/5/2016 12:43 AM, Ilya Yaroshenko wrote:
You are wrong that there are far fewer of those cases. This is
naive point of
view. A lot of netlib math functions require exact IEEE
arithmetic. Tinflex
requires it. Python C backend and
On 5 August 2016 at 03:33, Seb via Digitalmars-d
wrote:
> On Thursday, 4 August 2016 at 12:44:49 UTC, Manu wrote:
>>
>> On 29 July 2016 at 16:51, Jonathan M Davis via Digitalmars-d
>> wrote:
>>>
>>> [...]
>>
>>
>> Bingo! But it's much deeper than that. ref is a disaster. Use it to
>> any real ext
On Friday, 5 August 2016 at 09:40:23 UTC, Walter Bright wrote:
On 8/5/2016 12:43 AM, Ilya Yaroshenko wrote:
You are wrong that there are far fewer of those cases. This is
naive point of
view. A lot of netlib math functions require exact IEEE
arithmetic. Tinflex
requires it. Python C backend and
Here is a relevant example:
https://hal.inria.fr/inria-00171497v1/document
It is used in at least one real world geometric modeling system.
On Friday, 5 August 2016 at 09:40:59 UTC, Ilya Yaroshenko wrote:
On Friday, 5 August 2016 at 09:24:49 UTC, Walter Bright wrote:
On 8/5/2016 12:43 AM, Ilya Yaroshenko wrote:
You are wrong that there are far fewer of those cases. This
is naive point of
view. A lot of netlib math functions require
On Fri, 05 Aug 2016 06:12:24 +, ZombineDev wrote:
> I was actually looking for design issues. Assuming this bug gets fixed,
> and S s = { a: var1, b: var2 }, becomes equivalent to:
> S s = void;
> s.a = var1; /* calls s.a postblit if necessary */
> s.b = var2; /* calls s.b postblit if necessary
On Thursday, 4 August 2016 at 20:15:35 UTC, Ali Çehreli wrote:
We don't hear about the following site here any more:
http://benchmarksgame.alioth.debian.org/
How relevant is that site for us? Should D be represented there
as well? Would someone (you? :p) be interested in adding D to
the lan
On Friday, 5 August 2016 at 05:22:07 UTC, ZombineDev wrote:
On Thursday, 4 August 2016 at 20:15:35 UTC, Ali Çehreli wrote:
We don't hear about the following site here any more:
http://benchmarksgame.alioth.debian.org/
How relevant is that site for us? Should D be represented
there as well?
On Thursday, 4 August 2016 at 20:15:35 UTC, Ali Çehreli wrote:
We don't hear about the following site here any more:
http://benchmarksgame.alioth.debian.org/
How relevant is that site for us? Should D be represented there
as well? Would someone (you? :p) be interested in adding D to
the lan
On Friday, 5 August 2016 at 02:37:35 UTC, Walter Bright wrote:
In adding some overflow detection to Phobos, I discovered that
some allocations were never called by the unittests. Adding a
unittest for those paths, I discovered those paths didn't work
at all for any cases.
I'm not giving up co
On Friday, 5 August 2016 at 15:44:54 UTC, H.Loom wrote:
On Thursday, 4 August 2016 at 20:15:35 UTC, Ali Çehreli wrote:
We don't hear about the following site here any more:
http://benchmarksgame.alioth.debian.org/
How relevant is that site for us? Should D be represented
there as well? Woul
On Friday, 5 August 2016 at 15:46:15 UTC, H.Loom wrote:
On Friday, 5 August 2016 at 15:44:54 UTC, H.Loom wrote:
On Thursday, 4 August 2016 at 20:15:35 UTC, Ali Çehreli wrote:
We don't hear about the following site here any more:
http://benchmarksgame.alioth.debian.org/
How relevant is that
On Thursday, 4 August 2016 at 18:22:52 UTC, Mark "J" Twain wrote:
Marking a widget immutable is not the same as having an
ImmutableWidget. Can you see the difference?
Yes, you're thinking here of logical vs physical immutability.
I assure you there is. The immutable keyword only prevents data
On Thursday, 4 August 2016 at 18:22:52 UTC, Mark "J" Twain wrote:
Building immutability in to the type system itself allows the
programmer to make immutable smarter and control exactly what
it does.
once again it is in the type system:
°°
st
BTW, anybody tested LLD? They claim it's faster than gold
http://lld.llvm.org/NewLLD.html
On Monday, 11 July 2016 at 18:57:51 UTC, deadalnix wrote:
Alright, but keep in mind that is an example, not the actual
problem I'm talking about. There are many reasonable way to
make the example above safe: disallow dereferencing pointers
from unknown source, do a bound check on .ptr, disallow
On Thursday, 4 August 2016 at 20:15:35 UTC, Ali Çehreli wrote:
but the measurement code is available for others to use:
Someone had those benchmarks game measurement scripts working
with D - a couple of years ago - but then … ?
https://forum.dlang.org/post/lvajbi$1477$1...@digitalmars.com
On 8/5/16 6:17 AM, Manu via Digitalmars-d wrote:
On 5 August 2016 at 03:33, Seb via Digitalmars-d
wrote:
On Thursday, 4 August 2016 at 12:44:49 UTC, Manu wrote:
On 29 July 2016 at 16:51, Jonathan M Davis via Digitalmars-d
wrote:
[...]
Bingo! But it's much deeper than that. ref is a disa
On Friday, 5 August 2016 at 05:22:07 UTC, ZombineDev wrote:
...
It seems that this one has a more active community around it...
?
https://alioth.debian.org/activity/?group_id=100815
;-)
On Friday, 5 August 2016 at 09:21:53 UTC, Ilya Yaroshenko wrote:
On Friday, 5 August 2016 at 08:43:48 UTC, deadalnix wrote:
On Friday, 5 August 2016 at 08:17:00 UTC, Ilya Yaroshenko
wrote:
1. Could you please provide an assembler example with clang
or recent gcc?
I have better: compile your f
On Thursday, August 04, 2016 19:37:35 Walter Bright via Digitalmars-d wrote:
> In adding some overflow detection to Phobos, I discovered that some
> allocations were never called by the unittests. Adding a unittest for those
> paths, I discovered those paths didn't work at all for any cases.
>
> I'
On Thursday, 4 August 2016 at 18:58:18 UTC, ag0aep6g wrote:
On 08/04/2016 08:22 PM, Mark J Twain wrote:
The problem is that you have fixated on the *array* and not
the general
principle. The Array was an example.
I'm having trouble understanding what you're getting at, so I'm
trying to get i
On Tuesday, 2 August 2016 at 20:26:06 UTC, Jack Stouffer wrote:
(...)
I cannot agree more with that.
In my opinion open source community massively underestimates the
importance of high-level examples, articles and tutorials.
To most library authors (judging from projects I've seen) source
co
Thanks for finding these.
On 8/5/2016 3:22 AM, Ilya Yaroshenko wrote:
1. https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tgz
mathmodule.c, math_fsum has comment:
Depends on IEEE 754 arithmetic guarantees and half-even rounding.
The same algorithm also available in Mir. And it does not wo
On Friday, 5 August 2016 at 19:52:19 UTC, poliklosio wrote:
On Tuesday, 2 August 2016 at 20:26:06 UTC, Jack Stouffer wrote:
(...)
I cannot agree more with that.
In my opinion open source community massively underestimates
the importance of high-level examples, articles and tutorials.
To most
On 8/5/2016 4:27 AM, Seb wrote:
1) There are some function (exp, pow, log, round, sqrt) for which using
llvm_intrinsincs significantly increases your performance.
It's a simple benchmark and might be flawed, but I hope it shows the point.
Speed is not the only criteria. Accuracy is as well. I'
On 8/5/2016 2:40 AM, Ilya Yaroshenko wrote:
No. For example std.math.log requires it! But you don't care about other
compilers which not use yl2x and about making it template (real version slows
down code for double and float).
I'm interested in correct to the last bit results first, and perfor
On 8/5/2016 12:10 PM, Jonathan M Davis via Digitalmars-d wrote:
[...]
Yes, I pretty much agree with your entire post.
On 08/05/2016 09:39 PM, Mark J Twain wrote:
In the case of ImmutableQueue, There is no Enqueue!
See, there is a difference between "not callable" and "does not exists".
Ok, but what cool stuff is enabled by "does not exist" that doesn't work
(as nicely) with "not callable"? As far as I can te
On Friday, 5 August 2016 at 00:07:36 UTC, Mike Parker wrote:
If you're running the installer, it will uninstall the previous
version for you. If you are doing it manually, I recommend you
delete the existing folder rather than overwriting it.
Thanks for the info.
If you are compiling 64-bit p
On Thursday, 4 August 2016 at 22:20:12 UTC, Seb wrote:
OT: 2.071.0 has been released in April - you may check more
often ;-)
That - 2.071.0 - was actually a typo - I meant to type 2.071.1 -
which I read (probably on a recent edition of This Week in D) has
been released recently.
I never
On Friday, August 05, 2016 14:10:02 Walter Bright via Digitalmars-d wrote:
> On 8/5/2016 12:10 PM, Jonathan M Davis via Digitalmars-d wrote:
> > [...]
>
> Yes, I pretty much agree with your entire post.
I just wish that you'd agree that issues like these
https://issues.dlang.org/show_bug.cgi?id=1
On Friday, 5 August 2016 at 21:36:07 UTC, A D dev wrote:
What Microsoft tools are you referring to? Do you mean C
toolchain build tools, like the linker, librarian, (N)MAKE,
etc.? Does D depend on those on Windows? (I do remember reading
a D doc, maybe the overview, that said something like th
On Fri, 05 Aug 2016 23:12:06 +0200, ag0aep6g wrote:
> On 08/05/2016 09:39 PM, Mark J Twain wrote:
>> In the case of ImmutableQueue, There is no Enqueue!
>>
>> See, there is a difference between "not callable" and "does not
>> exists".
>
> Ok, but what cool stuff is enabled by "does not exist" tha
On Friday, 5 August 2016 at 21:12:06 UTC, ag0aep6g wrote:
On 08/05/2016 09:39 PM, Mark J Twain wrote:
In the case of ImmutableQueue, There is no Enqueue!
See, there is a difference between "not callable" and "does
not exists".
Ok, but what cool stuff is enabled by "does not exist" that
does
On Sat, 06 Aug 2016 01:57:50 +, Mark "J" Twain wrote:
> wow, that seems like a huge design issues.
In practice, it's not a problem. In a language supporting low-level
operations, you do sometimes need a reinterpret_cast. And since there's
no other useful cast you can do with a D struct...
T
On 15.07.2016 22:29, Walter Bright wrote:
On 7/15/2016 12:55 PM, Jack Stouffer wrote:
On Friday, 15 July 2016 at 19:06:15 UTC, Walter Bright wrote:
4. making use of asserts to provide information to the optimizer
Do dmd/ldc/gdc actually do this?
dmd doesn't. I don't know about other compile
On 08/06/2016 03:38 AM, Chris Wright wrote:
Some reflection stuff is a bit inconvenient:
class A {
int foo() { return 1; }
}
void main() {
auto a = new immutable(A);
// This passes:
static assert(is(typeof(a.foo)));
// This doesn't:
static assert(__traits(compiles, () { a.foo; }));
On 08/06/2016 03:57 AM, Mark J Twain wrote:
On Friday, 5 August 2016 at 21:12:06 UTC, ag0aep6g wrote:
[...]
struct MutableSomething
{
int value;
void mutate(int newValue) { value = newValue; }
}
struct ImmutableSomething
{
int value;
/* no mutate method here */
}
void mai
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