Multivector static member str_rep(mv) called by __str__(self) did not
complete string processing for grade 0 (scalar) multivectors. Fixed
problem and removed all spaces from output to reduce length of string.
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>From d3d790c71511df25e67e744ffebc9ca86f36ff44 Mon Sep 17 00:00:00 2001
From: Alan Bromborsky <bro...@ga.(none)>
Date: Sun, 31 May 2009 07:23:36 -0400
Subject: [PATCH] Fix special case in __str__.
---
sympy/galgebra/GA.py | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/sympy/galgebra/GA.py b/sympy/galgebra/GA.py
index d3cc077..46375a8 100644
--- a/sympy/galgebra/GA.py
+++ b/sympy/galgebra/GA.py
@@ -751,6 +751,7 @@ class MV(object):
labels = MV.basislabel
else:
labels = MV.bladelabel
+ mv.compact()
if isinstance(mv.mv[0],types.IntType):
value = ''
else:
@@ -762,6 +763,7 @@ class MV(object):
for x in mv.mv[igrade]:
if x != ZERO:
xstr = (x*dummy).__str__()
+ xstr = xstr.replace(' ','')
if xstr[0] != '-' and len(value) > 0:
xstr = '+'+xstr
if xstr.find('dummy') < 2 and xstr[-5:] != 'dummy':
@@ -776,7 +778,8 @@ class MV(object):
value += '\n'
if value == '':
value = '0'
- value = value.replace(' ','')
+ #value = value.replace(' ','')
+ value = value.replace('dummy','1')
return(value)
@staticmethod
--
1.6.0.4
