In article lkoi5v$vfj$1...@speranza.aioe.org,
Mark H Harris harrismh...@gmail.com wrote:
On 5/11/14 1:59 PM, Chris Angelico wrote:
julia prec=524288
524288
julia with_bigfloat_precision(prec) do
println(atan(BigFloat(1)/5)*16 - atan(BigFloat(1)/239)*4)
end
Would it be
On 29 May 2014 14:06:47 GMT, Albert van der Horst wrote:
In article lkoi5v$vfj$1...@speranza.aioe.org,
Mark H Harris harrismh...@gmail.com wrote:
On 5/11/14 1:59 PM, Chris Angelico wrote:
julia prec=524288
524288
julia with_bigfloat_precision(prec) do
On 5/13/14 12:48 AM, Steven D'Aprano wrote:
On Tue, 13 May 2014 00:33:47 -0500, Mark H Harris wrote:
there has to be a value add for scientists to move away from R or
Matlab, or from FORTRAN. Why go to the trouble? FORTRAN works well (its
fast too), and there are zillions of lines of code
On Tuesday 13 May 2014 01:48:43 Steven D'Aprano did opine
And Gene did reply:
On Tue, 13 May 2014 00:33:47 -0500, Mark H Harris wrote:
there has to be a value add for scientists to move away from R or
Matlab, or from FORTRAN. Why go to the trouble? FORTRAN works well
(its fast too), and
On Tue, 13 May 2014 02:31:14 -0400, Gene Heskett wrote:
People who write buggy self-modifying code aren't paying attention.
[...]
IMO, people who bad-mouth self-modifying code are folks who don't have
the patience to do it right, because stable self-modifying code CAN most
certainly be done.
On Tue, 13 May 2014 15:56:50 +1000, Chris Angelico wrote:
On Tue, May 13, 2014 at 3:48 PM, Steven D'Aprano st...@pearwood.info
wrote:
Self-modifying code is a nightmare inside the head of a Lovecraftian
horror. There's a reason why almost the only people still using self-
modifying code are
On Tue, May 13, 2014 at 7:34 PM, Steven D'Aprano st...@pearwood.info wrote:
On Tue, 13 May 2014 15:56:50 +1000, Chris Angelico wrote:
On Tue, May 13, 2014 at 3:48 PM, Steven D'Aprano st...@pearwood.info
wrote:
Self-modifying code is a nightmare inside the head of a Lovecraftian
horror.
On Tuesday, May 13, 2014 3:30:36 PM UTC+5:30, Chris Angelico wrote:
Actually, even the file system can do some of this to you. I was
checking lsof on one of my Linux systems a little while ago, and found
that I had half a dozen old versions of a program, all with the same
file name, all
On Tue, May 13, 2014 at 8:44 PM, Rustom Mody rustompm...@gmail.com wrote:
On Tuesday, May 13, 2014 3:30:36 PM UTC+5:30, Chris Angelico wrote:
Actually, even the file system can do some of this to you. I was
checking lsof on one of my Linux systems a little while ago, and found
that I had half
In article 5371c834$0$11109$c3e8...@news.astraweb.com,
Steven D'Aprano st...@pearwood.info wrote:
And after 15 years, I daresay that includes you.
Sometimes code is still running for 15 years because it's so wonderful
nobody has been able to come up with anything better. Sometimes it's
On Tue, May 13, 2014 at 9:16 PM, Roy Smith r...@panix.com wrote:
Sometimes code is still running for 15 years because it's so wonderful
nobody has been able to come up with anything better. Sometimes it's
because nobody knows how it works anymore and everybody is afraid to
touch it :-)
And
On Tuesday 13 May 2014 03:22:28 Steven D'Aprano did opine
And Gene did reply:
On Tue, 13 May 2014 02:31:14 -0400, Gene Heskett wrote:
People who write buggy self-modifying code aren't paying attention.
[...]
IMO, people who bad-mouth self-modifying code are folks who don't
have the
On 13/05/2014 12:21, Chris Angelico wrote:
On Tue, May 13, 2014 at 9:16 PM, Roy Smith r...@panix.com wrote:
Sometimes code is still running for 15 years because it's so wonderful
nobody has been able to come up with anything better. Sometimes it's
because nobody knows how it works anymore and
Mark H Harris harrismh...@gmail.com writes:
On 5/11/14 12:05 PM, Alain Ketterlin wrote:
Julia is Matlab and R, Python, Lisp, Scheme; all rolled together on
steroids. Its amazing as a dynamic language, and its fast, like
lightning fast as well as multiprocessing (parallel processing) at its
On 5/12/14 3:44 AM, Alain Ketterlin wrote:
multiple-dispatch (i.e., dynamically testing types, converting to a
common type, and selecting the version of sqrt to use). That's probably
more than the time it takes to actually perform the computation, a bit
like what happens with x+y on integers
On Tue, 13 May 2014 00:33:47 -0500, Mark H Harris wrote:
there has to be a value add for scientists to move away from R or
Matlab, or from FORTRAN. Why go to the trouble? FORTRAN works well (its
fast too), and there are zillions of lines of code cranking away on huge
linear arrays. Enter
On Tue, May 13, 2014 at 3:48 PM, Steven D'Aprano st...@pearwood.info wrote:
Self-modifying code is a nightmare inside the head of a Lovecraftian
horror. There's a reason why almost the only people still using self-
modifying code are virus writers, and the viruses they create are
notorious for
On 5/10/14 8:42 AM, Roy Smith wrote:
Ars Technica article a couple of days ago, about Fortran, and what is
likely to replace it:
http://tinyurl.com/mr54p96
uhm, yeeah!
'Julia' is going to give everyone a not so small run for competition;
justifiably so, not just against FORTRAN.
Julia
On Sunday, May 11, 2014 11:47:55 AM UTC+5:30, Mark H. Harris wrote:
'Julia' is going to give everyone a not so small run for competition;
justifiably so, not just against FORTRAN.
Julia is Matlab and R, Python, Lisp, Scheme; all rolled together on
steroids. Its amazing as a dynamic
On Sun, 11 May 2014 01:17:55 -0500, Mark H Harris wrote:
On 5/10/14 8:42 AM, Roy Smith wrote:
Ars Technica article a couple of days ago, about Fortran, and what is
likely to replace it:
http://tinyurl.com/mr54p96
uhm, yeeah!
'Julia' is going to give everyone a not so small run for
On Sun, May 11, 2014 at 07:09:27AM +, Steven D'Aprano wrote:
On Sun, 11 May 2014 01:17:55 -0500, Mark H Harris wrote:
On 5/10/14 8:42 AM, Roy Smith wrote:
Ars Technica article a couple of days ago, about Fortran, and what is
likely to replace it:
http://tinyurl.com/mr54p96
On Mon, May 12, 2014 at 2:09 AM, Tomasz Rola rto...@ceti.pl wrote:
Given that Fortran is here for almost 60 years and lot of effort has
been spent to keep it backwards compatible (AFAIK), I wouldn't hold my
breath. Something may look like cool and great, but wait ten years and
see if after
Mark H Harris harrismh...@gmail.com writes:
On 5/10/14 8:42 AM, Roy Smith wrote:
http://tinyurl.com/mr54p96
'Julia' is going to give everyone a not so small run for competition;
justifiably so, not just against FORTRAN.
Julia is Matlab and R, Python, Lisp, Scheme; all rolled together on
On 5/11/14 12:05 PM, Alain Ketterlin wrote:
Julia is Matlab and R, Python, Lisp, Scheme; all rolled together on
steroids. Its amazing as a dynamic language, and its fast, like
lightning fast as well as multiprocessing (parallel processing) at its
core. Its astounding, really.
Hmmm...
Its
On Mon, May 12, 2014 at 4:54 AM, Mark H Harris harrismh...@gmail.com wrote:
The following code will produce over 100,000 digits of π (pi) in less than 2
seconds on a low-end processor, like my mac mini dual core 2Ghz:
julia prec=524288
524288
julia with_bigfloat_precision(prec) do
On 5/11/14 1:59 PM, Chris Angelico wrote:
julia prec=524288
524288
julia with_bigfloat_precision(prec) do
println(atan(BigFloat(1)/5)*16 - atan(BigFloat(1)/239)*4)
end
Would it be quicker (and no less accurate) to represent pi as
atan(BigFloat(1))*4 instead? That's how I
On 05/11/2014 02:54 PM, Mark H Harris wrote:
julia sin(BigFloat(π/4))
7.0710678118654750275194295621751674626154323953749278952436611913748
20215180412e-01 with 256 bits of precision
That answer doesn't seem to come anywhere near 256 bits of precision.
Using Python 3.2,
On 5/11/14 10:10 PM, Dave Angel wrote:
On 05/11/2014 02:54 PM, Mark H Harris wrote:
julia sin(BigFloat(π/4))
7.0710678118654750275194295621751674626154323953749278952436611913748
20215180412e-01 with 256 bits of precision
That answer doesn't seem to come anywhere near 256 bits of
On 5/11/14 11:10 PM, Mark H Harris wrote:
On 5/11/14 10:10 PM, Dave Angel wrote:
On 05/11/2014 02:54 PM, Mark H Harris wrote:
julia sin(BigFloat(π/4))
7.0710678118654750275194295621751674626154323953749278952436611913748
20215180412e-01 with 256 bits of precision
That answer doesn't
On Mon, May 12, 2014 at 2:26 PM, Mark H Harris harrismh...@gmail.com wrote:
Having said that, the accuracy was not my point; in the first place. My
point is that the sin() function is built-in...
So what? Built-in just means that there's no namespacing of
mathematical functions.
ChrisA
--
In article mailman.9805.1399597367.18130.python-l...@python.org,
Dennis Lee Bieber wlfr...@ix.netcom.com wrote:
On 08 May 2014 16:04:51 GMT, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info declaimed the following:
Personally, I think that trying to be general and talk about many other
On 5/10/2014 9:42 AM, Roy Smith wrote:
In article mailman.9805.1399597367.18130.python-l...@python.org,
Dennis Lee Bieber wlfr...@ix.netcom.com wrote:
Obsolete and Legacy? Fortran still receives regular standards updates
(currently 2008, with the next revision due in 2015).
Ars
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