diff options
Diffstat (limited to 'src/algebra/unifact.spad.pamphlet')
| -rw-r--r-- | src/algebra/unifact.spad.pamphlet | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/algebra/unifact.spad.pamphlet b/src/algebra/unifact.spad.pamphlet index f3437a81..119ee5d4 100644 --- a/src/algebra/unifact.spad.pamphlet +++ b/src/algebra/unifact.spad.pamphlet @@ -173,7 +173,7 @@ UnivariateFactorize(ZP) : public == private where q:=nextPrime(q)$IntegerPrimesPackage(Z) pretend PI (rr:=lcm rem q) = 0$Z => "next prime" disc:=gcd(m,differentiate m,q) - (degree disc)~=0 => "next prime" + not zero?(degree disc) => "next prime" k := k+1 newdd := ddFact(m,q) ((n := numFactors(newdd)) < 9) => @@ -215,7 +215,7 @@ UnivariateFactorize(ZP) : public == private where d,d2: Z d := coefficient(m,1)**2-4*coefficient(m,0)*coefficient(m,2) d2 := sqroot(d) - (d-d2**2)~=0 => [m] + not zero?(d-d2**2) => [m] alpha: Z := coefficient(m,1)+d2 beta: Z := 2*coefficient(m,2) d := gcd(alpha,beta) |