diff options
Diffstat (limited to 'src/algebra/free.spad.pamphlet')
| -rw-r--r-- | src/algebra/free.spad.pamphlet | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/algebra/free.spad.pamphlet b/src/algebra/free.spad.pamphlet index f87666b0..34d06a9a 100644 --- a/src/algebra/free.spad.pamphlet +++ b/src/algebra/free.spad.pamphlet @@ -344,7 +344,7 @@ FreeMonoid(S: SetCategory): FreeMonoidCategory(S) == FMdefinition where lb := listOfMonoms b na: Integer := #la nb: Integer := #lb - while na > 0 and nb > 0 repeat + while positive? na and positive? nb repeat la.first.gen > lb.first.gen => return false la.first.gen < lb.first.gen => return true if la.first.exp = lb.first.exp then @@ -504,8 +504,8 @@ InnerFreeAbelianMonoid(S: SetCategory, E:CancellationAbelianMonoid, un:E): if E has OrderedAbelianMonoid then highCommonTerms(f, g) == - makeMulti [[x.gen, min(x.exp, n)] for x in listOfMonoms f | - (n := coefficient(x.gen, g)) > 0] + makeMulti [[x.gen, min(x.exp, n)] for x in listOfMonoms f + | positive?(n := coefficient(x.gen, g))] @ \section{domain FAMONOID FreeAbelianMonoid} @@ -555,12 +555,12 @@ FreeAbelianGroup(S:SetCategory): Exports == Implementation where a < b == zero? a => zero? b => false - (inmax terms b).exp > 0 + positive?((inmax terms b).exp) ta := inmax terms a zero? b => negative? ta.exp ta := inmax terms a tb := inmax terms b - ta.gen < tb.gen => tb.exp > 0 + ta.gen < tb.gen => positive? tb.exp ta.gen > tb.gen => negative? ta.exp ta.exp < tb.exp => true ta.exp > tb.exp => false |