Add Butterfly Factorization #97
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@Shreyas-Ekanathan can you push your version? |
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| #= | ||
| if (N % 2 == 1) # N odd | ||
| n = N2 | ||
| for m in 1:M | ||
| A[m, n] = u[m] * A[m, n] * v[n] | ||
| end | ||
| end | ||
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| if (M % 2 == 1) # M odd | ||
| m = M2 | ||
| for n in 1:N | ||
| A[m, n] = u[m] * A[m, n] * v[n] | ||
| end | ||
| end | ||
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| if (M % 2 == 1) && (N % 2 == 1) | ||
| m = M2 | ||
| n = N2 | ||
| A[m, n] /= (u[m] * v[n]) | ||
| end =# |
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| Mh = M >>> 1 | ||
| Nh = N >>> 1 | ||
| M2 = M - Mh | ||
| N2 = N - Nh |
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now that we're back to padding, we know that all these are equal
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builds on the previous PR to implement a full butterfly factorization method