| 4866 |
csign(log(abs(x))) = complex |
open |
David Scherfgen |
3 minutes ago
|
3 minutes ago
|
sign, log |
0 |
|
| 4865 |
Some elementary integrals not solved by risch |
open |
David Scherfgen |
15 minutes ago
|
15 minutes ago
|
risch |
0 |
|
| 4864 |
limit(atan2(0, cos(x)), x, %pi) gives ind instead of %pi |
open |
David Scherfgen |
26 minutes ago
|
26 minutes ago
|
limit, atan2 |
0 |
|
| 4863 |
sign(abs(x+%i)) returns pz instead of pos |
open |
David Scherfgen |
2 hours ago
|
2 hours ago
|
sign, abs |
0 |
|
| 4862 |
solve doesn't deduplicate subscripted variables correctly |
open |
David Scherfgen |
4 hours ago
|
4 hours ago
|
solve, subscripted variables |
0 |
|
| 4861 |
limit(imagpart(acos(x)), x, minf) wrong |
open |
David Scherfgen |
4 hours ago
|
41 minutes ago
|
limit, acos |
0 |
|
| 4860 |
simplim%acos: acos(±inf) returns und rather than infinity |
open |
David Scherfgen |
18 hours ago
|
5 hours ago
|
limit |
0 |
|
| 4859 |
limit2: finite-nonzero ÷ ind returns und instead of ind |
open |
David Scherfgen |
18 hours ago
|
16 hours ago
|
limit |
0 |
|
| 4856 |
Bigfloat atan/asin/acos/atanh/asinh/sinh/tanh lose several ulp: the big-float-* evaluators use no guard digits |
open |
David Scherfgen |
20 hours ago
|
20 hours ago
|
bigfloat |
0 |
|
| 4855 |
fpquotient - missing sticky bit causes misrounded division |
open |
David Scherfgen |
1 day ago
|
1 day ago
|
fpquotient, bigfloat |
0 |
|
| 4854 |
fpintpart's precision check is dead code - floor/ceiling of large bfloats silently wrong, heap exhaustion for huge exponents |
open |
David Scherfgen |
2 days ago
|
2 days ago
|
fpintpart, bigfloat |
0 |
|
| 4853 |
floattofp truncates instead of rounding, and asymmetrically |
open |
David Scherfgen |
2 days ago
|
2 days ago
|
floattofp, bigfloat |
0 |
|
| 4852 |
fpplus sticky-bit is off by one - additions misround by up to 0.75 ulp |
open |
David Scherfgen |
2 days ago
|
2 days ago
|
fpplus, bigfloat |
0 |
|
| 4851 |
sign() calls an exact zero "pos", contradicting equal() |
open |
David Scherfgen |
2 days ago
|
2 days ago
|
sign, equal, floating point |
0 |
|
| 4850 |
realpart/imagpart/rectform of erf and other special functions give useless or unsimplifiable results for complex arguments |
open |
David Scherfgen |
2 days ago
|
2 days ago
|
realpart, imagpart, rectform, erf, erfc, erfi |
0 |
|
| 4849 |
binomial(complex rational, integer) isn't rectangular |
open |
Barton Willis |
2 days ago
|
2 days ago
|
binomial |
0 |
|
| 4848 |
No way to directly evaluate beta(-1.5, 0.5), while beta(-3/2, 1/2) becomes zero |
open |
David Scherfgen |
3 days ago
|
3 days ago
|
beta, float, bigfloat |
0 |
|
| 4843 |
Undefined variable GNUPLOT-PREAMBLE on Windows |
open |
David Scherfgen |
3 days ago
|
3 days ago
|
plotting |
0 |
|
| 4841 |
polarform: integer vs. rational exponent inconsistency |
open |
David Scherfgen |
3 days ago
|
3 days ago
|
polarform, carg |
0 |
|
| 4835 |
simptimes: sumexpand appends the %sum factor without ordering |
open |
David Scherfgen |
3 days ago
|
3 days ago
|
simptimes, sumexpand |
0 |
|
| 4830 |
Non-total ordering between constant & scalar and scalar |
open |
David Scherfgen |
3 days ago
|
3 days ago
|
great |
0 |
|
| 4825 |
SIGN doesn't take MEQUAL facts into account |
open |
David Scherfgen |
6 days ago
|
6 days ago
|
assume, sign |
0 |
|
| 4822 |
Antiderivative of acoth is complex where acoth is real |
open |
David Scherfgen |
2026-07-16
|
2026-07-16
|
integrate, acoth |
0 |
|
| 4815 |
Matrix ordered incorrectly in sums and products |
open |
David Scherfgen |
2026-07-12
|
2026-07-12
|
simplus, matrix, simptimes |
0 |
|
| 4813 |
is(equal(1/z, 0)) = unknown for complex z |
open |
David Scherfgen |
2026-07-08
|
2026-07-08
|
complex, equal |
0 |
|