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authordos-reis <gdr@axiomatics.org>2011-03-12 19:17:32 +0000
committerdos-reis <gdr@axiomatics.org>2011-03-12 19:17:32 +0000
commitc93e84048964194e5674e859d6bd8827010f09f6 (patch)
tree407ca23d232bf3f974550fce0175c49495ef49c0 /src/algebra/rdesys.spad.pamphlet
parent52fddea19454dc2b9bcb54c6edd5a4cd4f5765a9 (diff)
downloadopen-axiom-c93e84048964194e5674e859d6bd8827010f09f6.tar.gz
* src/algebra/: Systematically use negative? when comparing for
greater than 0.
Diffstat (limited to 'src/algebra/rdesys.spad.pamphlet')
-rw-r--r--src/algebra/rdesys.spad.pamphlet2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/algebra/rdesys.spad.pamphlet b/src/algebra/rdesys.spad.pamphlet
index 6b62280d..b50f2b3f 100644
--- a/src/algebra/rdesys.spad.pamphlet
+++ b/src/algebra/rdesys.spad.pamphlet
@@ -111,7 +111,7 @@ TranscendentalRischDESystem(F, UP): Exports == Implementation where
h := (h exquo g)::UP
c1 := u1::UP
c2 := u2::UP
- (da := degree a) > 0 =>
+ positive?(da := degree a) =>
(u := diophant(a, h, b, c1, c2)) case "failed" => "failed"
rec := u::REC
v := SPDEsys(a, b, h + derivation a, rec.z1 - derivation(rec.r1),