Comments (4)
Hello, I'm interested in a Torch implementation of Gauss-Legendre quadrature. The code here seems clear enough so I'll see what I can do based on the examples of the existing integrators.
If you have any thoughts on potential pitfalls in such an implementation, or just remarks on things to look out for in general, I'd appreciate it! Or if you know of someone who's already started work on this, even better.
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@elastufka Great to hear! I would suggest to branch out from #137 because this introduces quite some changes in the codebase (and by following the other integrators there your implementation will also support torch, TF, jax and numpy :) )
We'll be merging #137 shortly. Nobody has started work on this to my knowledge. If you want more feedback on implementing feel free to post some thoughts where you want to add things etc.
Thanks!
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@gomezzz Okay, I will do that.
So far everything seems pretty straightforward. One thing that wasn't quite clear from the documentation/code - are the inputs x to the integrals preferentially tensors, or numpy arrays?
from torchquad.
One thing that wasn't quite clear from the documentation/code - are the inputs x to the integrals preferentially tensors, or numpy arrays?
Well the integrand function is user-defined, so inside the user could convert (will break gradient flow though). Internally, torchquad will in the new version generate the data type matching the framework. so torch.tensor , np.array etc.
There are new examples in the docs to illustrate how it works with other frameworks
Making it cross-framework compatible with autoray is very similar to just writing torch. Have a look here, e.g. https://github.com/FHof/torchquad/blob/develop/torchquad/integration/boole.py
Basically you just use anp.sum(...)
instead of torch.sum(...)
and from autoray import numpy as anp
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Related Issues (20)
- Change behavior of 'backend' HOT 6
- Elementwise numerical integration HOT 28
- Let user choose which GPU to use HOT 4
- torch dataloader crashed after `set_up_backend` HOT 4
- Cannot import torchquad (conda install) HOT 2
- A lot of warnings in the current test CI on develop HOT 1
- Add tests for JIT HOT 2
- Evaluate many different integrands over the different domain HOT 6
- Coverage check fails on PRs HOT 1
- Release 0.4.0 HOT 8
- Tests failing on GPU HOT 15
- torch.tensor containing integers as integration domain returns zero with non-compiled integrator HOT 2
- Logging with loguru not implemented correctly
- Example/documentation for parametric domain of integration? HOT 9
- Integrate function with parameters HOT 3
- Google Colab TPU support HOT 8
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- Regression in tests with TF HOT 4
- depricated torch.set_default_tensor_type()
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