[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#15511: calc fit not working in emacs 24.3
From: |
Devin Homan |
Subject: |
bug#15511: calc fit not working in emacs 24.3 |
Date: |
Thu, 03 Oct 2013 01:03:44 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:23.0) Gecko/20100101 Firefox/23.0 SeaMonkey/2.20 |
This bug should be reproducible by following the info example "12.8.1 Linear
Fits". The function fit
function appears to not be working in Emacs 24.3.1 but it works in 23.4.1.
math-general-fit calls
math-rewrite, which produces a result that is rejected by math-general-fit.
(calcFunc-fit '(+ (var a var-a) (* (var b var-b) (var x var-x))) '(var x var-x)
'(vec (var a var-a)
(var b var-b)) '(vec (vec 1 2 3 4 5) (vec 5 7 9 11 13)))
should result in (+ (float 3 0) (* (float 2 0) (var x var-x))).
math-rewrite returns
in Emacs 24
(calcFunc-fitsystem 0 (vec (- (+ (* (calcFunc-fitparam 2) (calcFunc-fitvar 1))
(calcFunc-fitparam
1)) (calcFunc-fitvar 2))) (vec (calcFunc-eq (calcFunc-fitdummy 1) 1)) 0)
in Emacs 23
(calcFunc-fitsystem (calcFunc-fitvar 2) (vec 1 (calcFunc-fitvar 1)) (vec
(calcFunc-fitdummy 1)
(calcFunc-fitdummy 2)))
The erroneous result is being returned on line 1664 of calcalg3.el in 24.3.1
"expr (math-rewrite (list 'calcFunc-fitmodel expr)",
which is line 1665 in 23.4.1.
- bug#15511: calc fit not working in emacs 24.3,
Devin Homan <=