Comments (6)
The left operand gets the first shot at implementing the operation. Only if it fails does the right operand attempt with its __radd__
method. Because MultiVector
implements the Sequence
interface, np.asarray()
knows how to convert it to a numpy array via np.asarray()
. The numpy scalar types will attempt to convert the other operand to a numpy array via np.asarray()
. Since this succeeds, np.float64.__add__()
succeeds, and MultiVector.__radd__()
does not get a chance to run.
I don't have a good idea offhand how to get around this.
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thanks very much for the info.
is it clear to you that the operator change would cause this? the exp()
function operating on a MultiVector
now fails also, which i suspect is related.
a similar question is raised in this SO post. after looking at their suggestions the __array_priority__
does not work, but __array_wrap__
does. however this hook seems to be after the numpy __add__
has happened...
they also suggest to subclassing ndarray
. however, i am not sure that i have the time/ability to make this change to the whole class, or to decide whether it is a good idea.
from clifford.
so if the left hand operator fails, the right operand attempt with its __radd__
method, then would it be possible to make the ufunc 'fail' by doing something in __array_prepare__
from clifford.
arsenovic@bd3bb72 . . . embarrasing
from clifford.
@arsenovic is this now fixed or still a problem?
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i think we can close
from clifford.
Related Issues (20)
- Come up with a better way to get the scalar HOT 2
- CI failure in io module HOT 1
- h5py 3.0+ triggers TestHDF5BasicIO Error HOT 2
- repr of subalgebras
- Documentation typos HOT 1
- Add an ipython magic command for quick algebra construction
- leftLaInv fails for complex valued multivectors
- Pickling fails with NUMBA_DISABLE_JIT=1
- Doc builds on master are broken HOT 1
- Improve import time
- Installation issue... Jupyter Notebook HOT 8
- Unexpected numerical result, large difference between matrix and clifford method HOT 3
- Brew version HOT 4
- frame2Mat should return somthing...
- Problem with .inv() function
- Is there a function for line-line intersection?
- Possibly wrong up projection in clifford.gac
- Deviation between MultiVector and MVArray calculation
- Express CGA multivectors in terms of point the origin+infinity
- Support for basis blades that are non-canonical HOT 1
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