Control: retitle -1 ITP: qepcad -- Quantifier Elimination by Partial 
Cylindrical Algebraic Decomposition
Control: owner -1 !

On Tue, 18 Feb 2020 03:36:11 +0100 Alessandro Barbieri wrote:

> Package: wnpp
> Severity: wishlist
>
> * Package name : qepcad
> Version : B 1.72
> Upstream Author : Christopher W Brown
> * URL : https://www.usna.edu/Users/cs/wcbrown/qepcad/B/QEPCAD.html
> * License : BSD, MIT
> Programming Lang: C
> Description : Quantifier Elimination by Partial Cylindrical Algebraic 
> Decomposition
>
> QEPCAD is an implementation of quantifier elimination by partial cylindrical 
> algebraic decomposition due orginally to Hoon Hong, and subsequently added on 
> to by many others. It is an interactive command-line program written in 
> C/C++, and based on the SACLIB library. Presented here is QEPCAD B version 
> 1.x, the "B" designating a substantial departure from the original QEPCAD and 
> distinguishing it from any development of the original that may proceed in a 
> different direction. QEPCAD and the SACLIB library are the result of a 
> program of research by George Collins and his PhD students that has spanned 
> several decades ... and continues still!
>

> I extended and improved QEPCAD for several years. Improvements that didn't 
> involve changes to the way the program interacted with the user I'd just go 
> ahead and make. However, changes that affected the interaction of QEPCAD and 
> the user, or changes that added new features were "tacked on" to the program, 
> requiring the user to know about extra commands. Moreover, there was no 
> cannonical source for QEPCAD distribution or documentation, and no internet 
> accessible source at all. This branch of QEPCAD, QEPCAD "B", was introduced 
> to address those problems - to make QEPCAD easily accessable through the 
> internet, to provide good documentation, and to incorporate many improvements 
> and extensions in a way that makes them most accessible to the user.

I plan on packaging QEPCAD once its build dependency SACLIB (ITP #966572) is in 
Debian.

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