====== Arithmetics ====== * [[https://matthias.wimmer.name/blog/posts/Darstellung-negativer-Dualzahlen-Einer--und-Zweierkomplement.xhtml|Darstellung negativer Dualzahlen: Einer- und Zweierkomplement]] ===== Fixed Point Arithmetics ===== * //Wilfried Elmenreich, Andreas Wolf and Maximilian Rosenblattl//\\ [[http://www.springerlink.com/content/w7p8728163ut7161/|Providing Standardized Fixed-Point Arithmetics for Embedded C Programs]]\\ //© Springer. Part of Springer Science+Business Media// * //Randy Yates//\\ {{http://www.digitalsignallabs.com/fp.pdf|Fixed-Point Arithmetic: An Introduction}} (PDF 245.2kB) -- [ [[http://www.elektrowiki.de/wisdom/coding/dsp/fp.pdf|{{mirror}}]] ]\\ //July 7, 2009 www.digitalsignallabs.com // * [[http://lists.lugod.org/pipermail/vox-tech/2007-November/013838.html|Fixed point math library for C -- recommendations?]] * [[http://stackoverflow.com/questions/79677/whats-the-best-way-to-do-fixed-point-math|What’s the best way to do fixed-point math?]] * [[http://www.embedded.com/columns/15201575?_requestid=65598|Fixed-point math in C]] * [[http://www.dspdesignline.com/showArticle.jhtml?articleID=197002280|Fixed vs. floating point: a surprisingly hard choice]] * [[http://www.dspdesignline.com/showArticle.jhtml?articleID=193402220|Fixed-Point DSP and Algorithm Implementation]] ===== Random Numbers ===== * [[https://www.c-plusplus.net/forum/172876|Zufälle gibt's!]] -- Dieser Artikel soll gerade für Einsteiger an einem Stück das Thema der Zufallszahlen im Computer beleuchten, und viele immer wieder nachgefragten Irrtümer und Fehlannahmen ausräumen. ===== Performance ===== * [[http://www.dspdesignline.com/showArticle.jhtml?articleID=197007265|DSP programmer's guide]] * [[http://www.dspdesignline.com/197006981;jsessionid=1EMEMOPPI30KNQE1GHOSKHWATMY32JVN?pgno=3|Programming and optimizing C code, part 1]] * [[http://www.embedded.com/columns/technicalinsights/197008694?_requestid=21321|Programming and optimizing DSP C code: Part 2]]