diff options
Diffstat (limited to 'src/algebra/intalg.spad.pamphlet')
| -rw-r--r-- | src/algebra/intalg.spad.pamphlet | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/algebra/intalg.spad.pamphlet b/src/algebra/intalg.spad.pamphlet index a08b41fa..c9002c53 100644 --- a/src/algebra/intalg.spad.pamphlet +++ b/src/algebra/intalg.spad.pamphlet @@ -292,11 +292,11 @@ AlgebraicIntegrate(R0, F, UP, UPUP, R): Exports == Implementation where varRoot?(p, derivation) == for c in coefficients primitivePart p repeat - derivation(c) ^= 0 => return true + derivation(c) ~= 0 => return true false pLogDeriv(log, derivation) == - map(derivation, log.coeff) ^= 0 => + map(derivation, log.coeff) ~= 0 => error "can only handle logs with constant coefficients" -- one?(n := degree(log.coeff)) => ((n := degree(log.coeff)) = 1) => |