per.nordlow's articles:

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Multi-Resolution/Scale Vector/Array 4 225 (7/8/2010 9:14:37 AM) comp.lang.c++ Does anyone know of a multi-resolution/scale vector/array implementation in C++ preferrebly using templates? Thanks, Per Nordl=F6w ... ISO

Manipulation of Symbolic Expressions of Physical (SI) Units Library 3 209 (2/2/2010 11:07:55 AM) comp.lang.c++ I'm looking for a library for runtime manipulation of symbolic expression of physical (SI) units. I have already found the project udunits-2 at http://www.unidata.ucar.edu/software/udunits/udunits-2/udunit... ISO

Scanning ELFs 3 85 (1/14/2010 10:13:31 AM) comp.os.linux.development.apps I looking for a code example that iterates the contents (in my case symbols) of an ELF file. Should I use the elf.h libelf and if so how? Or should I use the libs included in binutils? Thanks in advance, ... ISO

Improving Harddisk Performance for Concurrent Disk-Operations 1 207 (12/17/2009 12:08:59 PM) comp.os.linux.development.system I have noticed that, in Ubuntu, the harddisk performance drops dramatically, say 5-10 times, when two or more processes try to access the same harddisk (arm) "concurrently". This is, IMHO, a truly unacceptab... ISO

Querying the (Install) Status of a Debian/Ubuntu Package 0 135 (12/15/2009 7:06:12 PM) comp.os.linux.development.system How do I query if a given (got from dpkg-query) package is installed? Good performance and easy output parsing is of importance. Do I have to use apt or does dpkg provides this info somehow? Thanks in ... ISO

Anti-aliased Plotting 1 316 (11/30/2009 11:03:44 AM) comp.graphics.api.opengl Any tips on how to implement anti-aliased (high-quality) filled (not- lines but quads etc) 2d-plotting/visualization using OpenGL/GLSL? Requirements should be a reasonably new GPU (say at most one year old... ISO

Performance of openat() and fstatat() 3 163 (11/30/2009 10:59:29 AM) comp.os.linux.development.apps Is there a performance aspect on using openat() and fstatat() over open () and fstat() or is it just for convenience? Thanks, Nordl=F6w ... ISO

Status of Extended Attributes on Ubuntu 1 124 (11/26/2009 7:40:39 PM) comp.os.linux.development.apps Hey! I can't enable extended attributes on Ubuntu. I have tried adding user_xattr as attribute to my /etc/fstab. I have tried both ext2,ext3,ext4,reiserfs but none works for me. Does the Ubuntu Jaunty/Kar... ISO

Unified Stream-based (De)Compression Library 1 51 (10/15/2009 9:05:15 AM) comp.lang.c++ Does anyone know of a compression/decompression library that, with a unified interface, wraps the most common compression formats (gzip, bzip2, lzma, ...) similar to what gstreamer, ffmpeg and libfreeimage does... ISO

High-Quality Realtime Plotting 3 234 (9/20/2009 7:06:21 PM) comp.graphics.api.opengl I need an open source plotting library that produces high-quality (anti-aliased) realtime output using OpenGL. Does any such library exist? If not, I am eager to implement it my-self. I only need simple 2d-lin... ISO

per.nordlow's replies:

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Multi-Resolution/Scale Vector/Array 4 225 (7/8/2010 9:14:37 AM) comp.lang.c++ Does anyone know of a multi-resolution/scale vector/array implementation in C++ preferrebly using templates? Thanks, Per Nordl=F6w ... per.nordlow (36)

Realizing memdup() compactly in C++ 9 46 (5/14/2009 1:25:06 PM) comp.lang.c++ Han anybody written any snippet (template i guess) that realizes memdup () using the operator new. Suggested name: new_duplicate. Thanks in advance, Nordl=F6w ... per.nordlow (36)

Request for comments about synchronized queue using boost 19 37 (10/15/2008 1:36:48 PM) comp.lang.c++ I am currently designing a synchronized queue used to communicate between threads. Is the code given below a good solution? Am I using mutex lock/unlock more than needed? Are there any resources out there on t... per.nordlow (36)

Multiply/Divide a float with a power of two 5 39 (9/1/2005 8:56:31 AM) comp.lang.c Hey there! I want to multiply/divide (shift) a float with variable containing a power-of-two value: 2, 4, 8, 16, .... Is there such a function in the C standard library or the glibc library that does this? I... per.nordlow (36)