Add sine/cosine bases - #323

Draft

kburns wants to merge 22 commits into

Commits on Nov 24, 2025

First pass and Sine and Cosine bases and MMTs
kburns
committed
5e57bee
Added interpolation and integration for sin/cos.

J. S. Oishi
authored and
kburns
committed
eb0f232
Fixed sine integration.

J. S. Oishi
authored and
kburns
committed
db95469
Updated sin/cos with running 2D RBC example script

J. S. Oishi
authored and
kburns
committed
2ce3466
Added fast sine/cosine transforms

J. S. Oishi
authored and
kburns
committed
0f3f38d
Fixed typo in skew matrix

J. S. Oishi
authored and
kburns
committed
cd6b7f7
Change sine/cosine to even/odd parity and extend to work for tensor fields
kburns
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481b496
Add parity operator tests
kburns
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a15acad
Clean up parity transforms and add transform tests
kburns
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3c855f6
Implement Hilbert transforms for fourier bases
kburns
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19dde86
Add order parameter to Differentiate operator
kburns
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5559fd8
Change Cartesian Laplacian to use 2nd order derivatives
kburns
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44579a7
Add Riesz derivative
kburns
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2823db4
Fix real hilbert symbol
kburns
committed
f7d30fd
Fix real hilbert symbol

lecoanet
authored and
kburns
committed
67b22bb
Add high order parity differentiate and fourier/parity high order differentiation tests
kburns
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daad73d
Add riesz derivative and hilbert transform for parity bases
kburns
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2b9855c
Add Riesz and Hilbert tests
kburns
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6c0e17f
Pass order for differentiate parity matrices
kburns
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da71d22

Commits on Dec 17, 2025

More work on vector parity operators and RBC example
kburns
committed
d0153fb

Commits on Dec 18, 2025

Get explicit multiplication working with size=1 parity vectors
kburns
committed
8eb7006
Fix skew for disk
kburns
committed
5496f97