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This commit was merged in pull request #24.
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Mark
2025-09-24 22:02:23 -07:00
parent 69d835a2d2
commit 0b7acaf5ae
8 changed files with 31 additions and 54 deletions
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6
src/Advanced/Fast Inverse Root/parts/03 approx.typ
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@@ -131,9 +131,9 @@ $
We then have:
$
log_2(x_f) & = log_2 ( 2^(E-127) times (1 + (F) / (2^23)) ) \
& = E - 127 + log_2(1 + F / (2^23)) \
& approx E-127 + F / (2^23) + epsilon \
& = 1 / (2^23)(2^23 E + F) - 127 + epsilon \
& = E - 127 + log_2(1 + F / (2^23)) \
& approx E-127 + F / (2^23) + epsilon \
& = 1 / (2^23)(2^23 E + F) - 127 + epsilon \
& = 1 / (2^23)(x_i) - 127 + epsilon
$
])