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Cuberoot: Apply first iteration explicitly #11

Merged
merged 1 commit into from
Jan 26, 2024
Merged

Cuberoot: Apply first iteration explicitly #11

merged 1 commit into from
Jan 26, 2024

Commits on Jan 26, 2024

  1. Cuberoot: Apply first iteration explicitly 

    Applying the first iteration explicitly appears to speed up the cuberoot
function by a bit over 20%:

 Before:
 Halley Final:  0.14174999999999999

 After:
 Halley Final:  0.11080000000000001

There is an assumption that compilers will precompute the constants like
`0.7 * (0.7)**3`, and that all will do so in the same manner.
    @marshallward
    marshallward committed Jan 26, 2024
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