aboutsummaryrefslogtreecommitdiff
path: root/src/algebra/geneez.spad.pamphlet
diff options
context:
space:
mode:
authordos-reis <gdr@axiomatics.org>2011-03-13 03:43:50 +0000
committerdos-reis <gdr@axiomatics.org>2011-03-13 03:43:50 +0000
commit11eebf207528f86dfa4556be3b2cc7cba57244a6 (patch)
tree17c1ed9132ec874b14d2dcd137ac16a91e7a5b27 /src/algebra/geneez.spad.pamphlet
parent6c75a87d8ee00d48a0f5703aa9c86591078a50d3 (diff)
downloadopen-axiom-11eebf207528f86dfa4556be3b2cc7cba57244a6.tar.gz
* src/algebra/: Systematically use not zero? when comparing for
equality with 0.
Diffstat (limited to 'src/algebra/geneez.spad.pamphlet')
-rw-r--r--src/algebra/geneez.spad.pamphlet8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/algebra/geneez.spad.pamphlet b/src/algebra/geneez.spad.pamphlet
index 3c449fe1..c3647b6c 100644
--- a/src/algebra/geneez.spad.pamphlet
+++ b/src/algebra/geneez.spad.pamphlet
@@ -96,7 +96,7 @@ GenExEuclid(R,BP) : C == T
exactquo(u:BP,v:BP,p:R):Union(BP,"failed") ==
invlcv:=modInverse(leadingCoefficient v,p)
r:=monicDivide(u,reduction(invlcv*v,p))
- reduction(r.remainder,p) ~=0 => "failed"
+ not zero? reduction(r.remainder,p) => "failed"
reduction(invlcv*r.quotient,p)
FP:=EuclideanModularRing(R,BP,R,reduction,merge,exactquo)
@@ -120,7 +120,7 @@ GenExEuclid(R,BP) : C == T
ftab:Vector L FP :=
map(reduceList(#1,lmod),table)$VectorFunctions2(List BP,List FP)
sln:L FP:=[0$FP for xx in ftab.1 ]
- for i in 0 .. d |(cc:=coefficient(err,i)) ~=0 repeat
+ for i in 0 .. d |not zero?(cc:=coefficient(err,i)) repeat
sln:=[slp+reduce(cc::BP,lmod)*pp
for pp in ftab.(i+1) for slp in sln]
nsol:=[f-lmodk*reduction(g::BP,lmod) for f in oldsol for g in sln]
@@ -165,7 +165,7 @@ GenExEuclid(R,BP) : C == T
-- Actually, there's no possibility of failure
d:=degree m
sln:L BP:=[0$BP for xx in table.1]
- for i in 0 .. d | coefficient(m,i)~=0 repeat
+ for i in 0 .. d | not zero? coefficient(m,i) repeat
sln:=[slp+coefficient(m,i)*pp
for pp in table.(i+1) for slp in sln]
sln
@@ -192,7 +192,7 @@ GenExEuclid(R,BP) : C == T
map(reduceList(#1,pmod),table)$VectorFunctions2(List BP,List FP)
lpolys:L BP:=table.(#table)
sln:L FP:=[0$FP for xx in ftab.1]
- for i in 0 .. d | coefficient(m,i)~=0 repeat
+ for i in 0 .. d | not zero? coefficient(m,i) repeat
sln:=[slp+reduce(coefficient(m,i)::BP,pmod)*pp
for pp in ftab.(i+1) for slp in sln]
soln:=[slp::BP for slp in sln]