diff options
Diffstat (limited to 'src/algebra/limitps.spad.pamphlet')
| -rw-r--r-- | src/algebra/limitps.spad.pamphlet | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/algebra/limitps.spad.pamphlet b/src/algebra/limitps.spad.pamphlet index 5837ffa9..ac82fee8 100644 --- a/src/algebra/limitps.spad.pamphlet +++ b/src/algebra/limitps.spad.pamphlet @@ -711,13 +711,13 @@ ElementaryFunctionSign(R,F): Exports == Implementation where "failed" "failed" is?(op,"log" :: SY) => - s::Z < 0 => "failed" + negative?(s::Z) => "failed" sign(first arg - 1) is?(op,"tanh" :: SY) or is?(op,"sinh" :: SY) or is?(op,"csch" :: SY) or is?(op,"coth" :: SY) => s is?(op,"nthRoot" :: SY) => even?(retract(second arg)@Z) => - s::Z < 0 => "failed" + negative?(s::Z) => "failed" s s "failed" |