From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 30 Dec 2017 22:29:34 +0000 (+0000)
Subject: helixish: remember to transform back from findcurve basis (!)
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=moebius3.git;a=commitdiff_plain;h=f888ccc82f4228b3acfbc66560f185a649ac4730

helixish: remember to transform back from findcurve basis (!)

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/helixish.py b/helixish.py
index c3a1797..27485ea 100644
--- a/helixish.py
+++ b/helixish.py
@@ -252,6 +252,7 @@ class HelixishCurve():
     findcurve_subproc.stdin.flush()
 
     hc.func = symbolic.get_python()
+    hc.findcurve_basis = findcurve_basis
     commentary = ''
 
     while True:
@@ -287,4 +288,5 @@ class HelixishCurve():
       ours[1] = sqrt(dist - hc.threshold)
     asmat = hc.func(*ours)
     p = asmat[:,0]
+    p = augmatmultiply(hc.findcurve_basis, p)
     return p