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  1. Data Management
  2. DM-13156

Utilize new polynomials library in ChebyshevBoundedField

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    • Story
    • Status: To Do
    • Resolution: Unresolved
    • None
    • afw
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    Description

      DM-13065 adds a new low-level polynomials library to afw::math, incorporating but heavily modifying code from afw.math.ChebyshevBoundedField, meas.astrom.PolynomialTransform, and shapelet.

      ChebyshevBoundedField should be reimplemented on top of the new polynomials library. This will require removing ChebyshevBoundedField's (never-used, and probably not useful) support for x and y polynomials with different orders, and it will probably involve adding a bit more functionality (integrals?) to the polynomials library as well.

      This should include updating the polynomials library to utilize a more stable Clenshaw recurrence relation for some evaluation.

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            jbosch Jim Bosch added a comment -

            Reviewing for CCB: this would still be nice unification, but it is not a high priority.

            jbosch Jim Bosch added a comment - Reviewing for CCB: this would still be nice unification, but it is not a high priority.

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              Unassigned Unassigned
              jbosch Jim Bosch
              Jim Bosch
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