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authordos-reis <gdr@axiomatics.org>2008-05-11 19:14:29 +0000
committerdos-reis <gdr@axiomatics.org>2008-05-11 19:14:29 +0000
commit20e1bed66399cce629d08a71ca0552ed24fef1d1 (patch)
tree000ab5b98e479d1c077fc4f6fd4a9f46c4a9451c /src/algebra/dpolcat.spad.pamphlet
parent51422a0c6bc0128cd5635a01c402ef56ad4ed770 (diff)
downloadopen-axiom-20e1bed66399cce629d08a71ca0552ed24fef1d1.tar.gz
Restrict loop variable scopes, take 2.
* interp/iterator.boot (compReduce1): Maintain proper scope for loop variables. (compRepeatOrCollect): Really maintain proper scope for loop variables. * interp/compiler.boot (eltModemapFilter): Highlight faulty selector. (seteltModemapFilter): Likewise. * interp/c-util.boot (stackMessage): Don't build message if there is no argument for substitution. * algebra/aggcat.spad.pamphlet (#$UnaryRecursiveAggregate): Declare free loop variable. (cycleEntry$UnaryRecursiveAggregate): Likewise. (cycleLength): Likewise. (merge$OneDimensionalArrayAggregate): Likewise. (delete$OneDimensionalArrayAggregate): Likewise. (position$ListAggregate): Likewise. * algebra/array1.spad.pamphlet (merge!$IndexedFlexibleArray): Likewise. * algebra/combfunc.spad.pamphlet (K2fact$CombinatorialFunction): Likewise. * algebra/curve.spad.pamphlet (nonSingularModel$FunctionFieldCategory): Likewise. * algebra/dpolcat.spad.pamphlet (differentiate$DifferentialPolynomialCategory): Likewise. * algebra/efstruc.spad.pamphlet (validExponential$ElementaryFunctionStructurePackage): Likewise. (ker2explogs$InnerTrigonometricManipulations): Likewise. (complexNormalize$TrigonometricManipulations): Likewise.
Diffstat (limited to 'src/algebra/dpolcat.spad.pamphlet')
-rw-r--r--src/algebra/dpolcat.spad.pamphlet1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/algebra/dpolcat.spad.pamphlet b/src/algebra/dpolcat.spad.pamphlet
index 2a170259..2ee6eb4f 100644
--- a/src/algebra/dpolcat.spad.pamphlet
+++ b/src/algebra/dpolcat.spad.pamphlet
@@ -322,6 +322,7 @@ DifferentialPolynomialCategory(R:Ring,S:OrderedSet,
differentiate(p:$, d:R -> R) ==
ans:$ := 0
l := variables p
+ u : Union(R, "failed")
while (u:=retractIfCan(p)@Union(R, "failed")) case "failed" repeat
t := leadingMonomial p
lc := leadingCoefficient t