diff options
Diffstat (limited to 'src/algebra/fs2expxp.spad.pamphlet')
| -rw-r--r-- | src/algebra/fs2expxp.spad.pamphlet | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/algebra/fs2expxp.spad.pamphlet b/src/algebra/fs2expxp.spad.pamphlet index 15b46ca9..4b549c83 100644 --- a/src/algebra/fs2expxp.spad.pamphlet +++ b/src/algebra/fs2expxp.spad.pamphlet @@ -236,7 +236,7 @@ FunctionSpaceToExponentialExpansion(R,FE,x,cen):_ -- converts an integral power to an exponential expansion (b := iExprToXXP(fcn,posCheck?)) case %problem => b xxp := b.%expansion - n > 0 => [xxp ** n] + positive? n => [xxp ** n] -- a Puiseux series will be reciprocated only if n < 0 and -- numerator of 'xxp' has exactly one monomial numberOfMonomials(num := numer xxp) > 1 => [xxp ** n] @@ -345,7 +345,7 @@ FunctionSpaceToExponentialExpansion(R,FE,x,cen):_ negative?(deg := order(ups,1)) => -- this "can't happen" error "exp of function with sigularity" - deg > 0 => [exp(ups)] + positive? deg => [exp(ups)] lc := coefficient(ups,0); varOpList := opsInvolvingX lc not opInOpList?("log" :: Symbol,varOpList) => [exp(ups)] -- try to fix exp(lc) if necessary @@ -425,7 +425,7 @@ FunctionSpaceToExponentialExpansion(R,FE,x,cen):_ upxs := f :: UPXS negative? (deg := order(upxs,1)) => stateProblem(fcnName,"essential singularity") - deg > 0 => [fcn(upxs) :: UPXS :: XXP] + positive? deg => [fcn(upxs) :: UPXS :: XXP] lc := coefficient(upxs,0); xOpList := opsInvolvingX lc null xOpList => [fcn(upxs) :: UPXS :: XXP] opInOpList?("log" :: SY,xOpList) => |