Add sine/cosine bases#323

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kburns wants to merge 22 commits intomasterfrom

Commits on Nov 24, 2025

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

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

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

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

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

J. S. Oishi
authored and
kburns
committed
Change sine/cosine to even/odd parity and extend to work for tensor fields
kburns
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Add parity operator tests
kburns
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Clean up parity transforms and add transform tests
kburns
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Implement Hilbert transforms for fourier bases
kburns
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Add order parameter to Differentiate operator
kburns
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Change Cartesian Laplacian to use 2nd order derivatives
kburns
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Add Riesz derivative
kburns
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Fix real hilbert symbol
kburns
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Fix real hilbert symbol

lecoanet
authored and
kburns
committed
Add high order parity differentiate and fourier/parity high order differentiation tests
kburns
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Add riesz derivative and hilbert transform for parity bases
kburns
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Add Riesz and Hilbert tests
kburns
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Pass order for differentiate parity matrices
kburns
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Commits on Dec 17, 2025

More work on vector parity operators and RBC example
kburns
committed

Commits on Dec 18, 2025