diff options
Diffstat (limited to 'src/algebra/irexpand.spad.pamphlet')
| -rw-r--r-- | src/algebra/irexpand.spad.pamphlet | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/algebra/irexpand.spad.pamphlet b/src/algebra/irexpand.spad.pamphlet index 6e819c13..1441447a 100644 --- a/src/algebra/irexpand.spad.pamphlet +++ b/src/algebra/irexpand.spad.pamphlet @@ -111,7 +111,7 @@ IntegrationResultToFunction(R, F): Exports == Implementation where nn := lgp + d * sqrn * ilog(e, f * sqrn, setUnion(setUnion(kernels a, kernels b), kernels p0)) sqr.sgn > 0 => [pp] - sqr.sgn < 0 => [nn] + negative? sqr.sgn => [nn] [pp, nn] -- returns 2 atan(a/b) or 2 atan(-b/a) whichever looks better @@ -194,7 +194,7 @@ IntegrationResultToFunction(R, F): Exports == Implementation where empty? ly => true for x in lx repeat for y in ly repeat - ((s := sign(x*y)) case Z) and (s::Z < 0) => return false + ((s := sign(x*y)) case Z) and negative?(s::Z) => return false true pairsum(lx, ly) == |