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-rw-r--r--src/algebra/poly.spad.pamphlet22
1 files changed, 11 insertions, 11 deletions
diff --git a/src/algebra/poly.spad.pamphlet b/src/algebra/poly.spad.pamphlet
index aeca4bf1..c9f16e71 100644
--- a/src/algebra/poly.spad.pamphlet
+++ b/src/algebra/poly.spad.pamphlet
@@ -331,8 +331,8 @@ PolynomialRing(R:Ring,E:OrderedAbelianMonoid): T == C
while not null p1 repeat
(a:= p1.first.c exquo p2.first.c)
a case "failed" => return "failed"
- ee:= subtractIfCan(p1.first.k, p2.first.k)
- ee case "failed" => return "failed"
+ ee := subtractIfCan(p1.first.k, p2.first.k)
+ ee case nothing => return "failed"
p1:= fmecg(p1.rest, ee, a, p2.rest)
rout:= [[ee,a], :rout]
null p1 => reverse(rout)::% -- nreverse?
@@ -346,8 +346,8 @@ PolynomialRing(R:Ring,E:OrderedAbelianMonoid): T == C
while not null p1 repeat
(a:= p1.first.c exquo p2.first.c)
a case "failed" => return "failed"
- ee:= subtractIfCan(p1.first.k, p2.first.k)
- ee case "failed" => return "failed"
+ ee := subtractIfCan(p1.first.k, p2.first.k)
+ ee case nothing => return "failed"
p1:= fmecg(p1.rest, ee, a, p2.rest)
rout:= [[ee,a], :rout]
null p1 => reverse(rout)::% -- nreverse?
@@ -539,8 +539,8 @@ SparseUnivariatePolynomial(R:Ring): UnivariatePolynomialCategory(R) with
while not null p1 repeat
(a:= p1.first.c exquo p2.first.c)
a case "failed" => return "failed"
- ee:= subtractIfCan(p1.first.k, p2.first.k)
- ee case "failed" => return "failed"
+ ee := subtractIfCan(p1.first.k, p2.first.k)
+ ee case nothing => return "failed"
p1:= fmecg(p1.rest, ee, a, p2.rest)
rout:= [[ee,a], :rout]
null p1 => reverse(rout)::% -- nreverse?
@@ -554,8 +554,8 @@ SparseUnivariatePolynomial(R:Ring): UnivariatePolynomialCategory(R) with
while not null p1 repeat
(a:= p1.first.c exquo p2.first.c)
a case "failed" => return "failed"
- ee:= subtractIfCan(p1.first.k, p2.first.k)
- ee case "failed" => return "failed"
+ ee := subtractIfCan(p1.first.k, p2.first.k)
+ ee case nothing => return "failed"
p1:= fmecg(p1.rest, ee, a, p2.rest)
rout:= [[ee,a], :rout]
null p1 => reverse(rout)::% -- nreverse?
@@ -581,7 +581,7 @@ SparseUnivariatePolynomial(R:Ring): UnivariatePolynomialCategory(R) with
p2:=p2.rest;
e1:=max(p1.first.k:Integer-e+1,0):NonNegativeInteger
while not null p1 repeat
- if (u:=subtractIfCan(p1.first.k,e)) case "failed" then leave
+ if (u:=subtractIfCan(p1.first.k,e)) case nothing then leave
p1:=fmecg(co * p1.rest, u, p1.first.c, p2)
e1:= (e1 - 1):NonNegativeInteger
e1 = 0 => p1
@@ -628,7 +628,7 @@ SparseUnivariatePolynomial(R:Ring): UnivariatePolynomialCategory(R) with
rout:Rep := []
p2 := p2.rest
while not null p1 repeat
- (u:=subtractIfCan(p1.first.k, n)) case "failed" => leave
+ (u:=subtractIfCan(p1.first.k, n)) case nothing => leave
rout:=[[u, p1.first.c], :rout]
p1:=fmecg(p1.rest, rout.first.k, rout.first.c, p2)
[reverse!(rout),p1]
@@ -697,7 +697,7 @@ SparseUnivariatePolynomial(R:Ring): UnivariatePolynomialCategory(R) with
p2:=p2.rest
rout:=empty()$List(Term)
while p1 ~= 0 repeat
- (u:=subtractIfCan(p1.first.k, n)) case "failed" => leave
+ (u:=subtractIfCan(p1.first.k, n)) case nothing => leave
rout:=[[u, ct * p1.first.c], :rout]
p1:=fmecg(p1.rest, rout.first.k, rout.first.c, p2)
[reverse!(rout),p1]