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authordos-reis <gdr@axiomatics.org>2011-03-12 22:56:37 +0000
committerdos-reis <gdr@axiomatics.org>2011-03-12 22:56:37 +0000
commit6c75a87d8ee00d48a0f5703aa9c86591078a50d3 (patch)
tree28ff587bbc4d759dd0e3f96b156700ff01ba8c53 /src/algebra/sum.spad.pamphlet
parenta2e3e641bdbcb6e77bbb572aea25a748a967abca (diff)
downloadopen-axiom-6c75a87d8ee00d48a0f5703aa9c86591078a50d3.tar.gz
* src/algebra/: Systematically use not one? when comparing for
equality with 1.
Diffstat (limited to 'src/algebra/sum.spad.pamphlet')
-rw-r--r--src/algebra/sum.spad.pamphlet4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/algebra/sum.spad.pamphlet b/src/algebra/sum.spad.pamphlet
index e3d66075..aa5ae39f 100644
--- a/src/algebra/sum.spad.pamphlet
+++ b/src/algebra/sum.spad.pamphlet
@@ -269,13 +269,13 @@ GosperSummationMethod(E, V, R, P, Q): Exports == Impl where
linearAndNNIntRoot(mp, v) ==
p := univariate(mp, v)
- degree p ~= 1 => "failed"
+ not one? degree p => "failed"
(p1 := retractIfCan(coefficient(p, 1))@Union(RN,"failed"))
case "failed" or
(p0 := retractIfCan(coefficient(p, 0))@Union(RN,"failed"))
case "failed" => "failed"
rt := -(p0::RN)/(p1::RN)
- negative? rt or denom rt ~= 1 => "failed"
+ negative? rt or not one? denom rt => "failed"
numer rt
@