sidney's articles:

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Importing text file as machine-precision array 3 51 (4/9/2011 11:29:07 AM) comp.soft-sys.math.mathematica Hi all, I am trying to import a big text file containing non-sparse 2D numerical data into Mathematica. My aim is to get an array where the numbers are stored as machine-precision numbers. In other words, ... Sidney

Flipping axes on Graphics 2 42 (3/12/2009 7:20:06 AM) comp.soft-sys.math.mathematica Dear all, I am looking for a way to flip the direction of an axis that is used to render a Graphics object. For example, I would like to be able to do Plot[Sin[x], {x, 0, 2*Pi}] but the top-left corner ... sidney

Classes with reference members in a vector. 23 22 (6/28/2006 7:08:19 AM) comp.lang.c++ Hi all, I am trying to make a vector containing objects the have a reference member. However, as soon as I try to push_back an element into this vector, g++ balks at the fact that it needs to instantiate an op... sidney

parport0 device in 2.6.3 2 48 (2/27/2004 11:49:29 PM) comp.os.linux.hardware Hi all, I'm having trouble getting /dev/parport0 to work on my Debian GNU/Linux system. I need this to talk to some special-purpose hardware. Specifically, the /dev/parport0 is bound to a character device wi... Sidney

Up-to-dateness of the c.l.c. FAQ 41 36 (2/2/2004 11:32:30 PM) comp.lang.c Hi all, Isn't it time for an update of the wording in some sections of the c.l.c. FAQ ? The last update has been in 1999, I think, and quite a bit that has happened since then should probably be addressed (... Sidney

Extent of the "as-if" rule 144 33 (1/19/2004 7:58:34 AM) comp.lang.c Hi all, In a discussion with Tak-Shing Chan the question came up whether the as-if rule can cover I/O functions. Basically, he maintains it can, and I think it doesn't. Consider two programs: /*** a.c ***... Sidney

memcmp() semantics 6 34 (11/23/2003 2:47:40 AM) comp.lang.c Hi all, Just browsing through my newly-acquired C99 spec, I was reading on the memcmp() function (7.21.4.1). It has a rather peculiar wording: int memcmp(const void *s1, const void *s2, size_t n); 1. The m... Sidney

integer division towards -infinity 3 51 (7/10/2003 9:03:06 AM) comp.lang.c Hi all, As I understand it, the rounding direction of signed integer division in C is unspecified in C89/C94, and specified to be 'towards-zero' in C99. I need division 'towards -infinity' (with a 'mod' opera... sidney

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Bounds checked arrays 50 29 (2/14/2004 9:27:37 PM) comp.lang.c As everybody knows, the C language lacks a way of specifying bounds checked arrays. This situation is intolerable for people that know that errors are easy to do, and putting today's powerful microprocessor to... jacob (2538)

'erf' function in C 26 34 (2/14/2004 11:39:40 PM) comp.lang.c Hi, Are there any C compilers which have the erf function (from probability) as part of their math libraries? Or are there any math libraries available to download which implement this function? ... jph500 (1)

"Hello World" without semicolon with a difference 33 29 (2/19/2004 3:56:12 PM) comp.lang.c Hi, Is it possible to write a C program that prints "Hello World" on screen without having a single semi-colon in the entire program? The extra constraint here is that u r not allowed to use if,while,switch e... ankur_sinha (5)

51MB size limit with fopen in append mode 14 25 (2/25/2004 7:42:47 PM) comp.lang.c I have a program that writes to a log file. It's compiled on RH Linux 7.3 (Kernel 2.4.18-18.7). It's using fopen in append mode. When the file reaches 51200000 bytes in size, the program will no longer wri... spam339 (7)

parport0 device in 2.6.3 2 48 (2/27/2004 11:49:29 PM) comp.os.linux.hardware Hi all, I'm having trouble getting /dev/parport0 to work on my Debian GNU/Linux system. I need this to talk to some special-purpose hardware. Specifically, the /dev/parport0 is bound to a character device wi... sidney (345)

Classes with reference members in a vector. 23 22 (6/28/2006 7:08:19 AM) comp.lang.c++ Hi all, I am trying to make a vector containing objects the have a reference member. However, as soon as I try to push_back an element into this vector, g++ balks at the fact that it needs to instantiate an op... sidney (345)

Topic Nazis (OR Mystery: static variables & performance) 109 47 (2/10/2004 8:52:38 AM) comp.lang.c Michel Bardiaux wrote in message news:... > Mark Shelor wrote: > > > > > OK, Sidney, I am considering it. I can certainly understand the premise > > that a group might choose to entertain ONLY those questi... msg1825 (31)

Converting ASM to C 13 41 (2/11/2004 4:12:22 AM) comp.lang.c Is there a way to do this. I mean there is a company who converts asm to their wsl language and then from that to c is there a way that we can do this? ... gmzombie (5)

Help with warning when using calloc/malloc 27 30 (2/12/2004 3:06:13 PM) comp.lang.c I am a newbie. Please help. The following warning is issued by gcc-3.2.2 compiler (pc Linux): ================================================================== read_raw_data.c:51: warning: assignment makes po... msak3 (2)

Reading from array is faster than writing ??? 15 24 (2/13/2004 2:02:49 PM) comp.lang.c Hello ! Who can explain why readind from array[][] is fast, but writing (same place) might take a lot of time (I need many loops) How to solve it (declare as static or force some compiler (VC 6.0) options) ???... oleg.kornilov (5)