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| author | Ophir LOJKINE <pere.jobs@gmail.com> | 2012-10-19 22:25:54 +0200 |
|---|---|---|
| committer | Frank Gevaerts <frank@gevaerts.be> | 2012-10-19 23:05:25 +0200 |
| commit | e86991f484f29891b969e851680f66e1948542fa (patch) | |
| tree | 7fb652879f9ee863cb07a605102f426bdc499ddf /rbutil/rbutilqt/rbutil.ini | |
| parent | 9b8a6642e2abb15ec063f72d155792b1d17beb2c (diff) | |
| download | rockbox-e86991f484f29891b969e851680f66e1948542fa.tar.gz rockbox-e86991f484f29891b969e851680f66e1948542fa.zip | |
Implements exponential and logarithm in calculator plugin
exponential implementation uses the series
e^x = 1 + x + x^2/2 + x^3/6 + ...
natural logarithm uses
ln(a) = 2 * ( (a-1)/(a+1) + 1/3 * ((a-1)/(a+1))^3 +... )
log10 uses
log10(a) = ln(a)/ln(10)
Change-Id: I7303404b2b5a2bf60aad0706ca964a7cea19a27c
Reviewed-on: http://gerrit.rockbox.org/333
Reviewed-by: Frank Gevaerts <frank@gevaerts.be>
Diffstat (limited to 'rbutil/rbutilqt/rbutil.ini')
0 files changed, 0 insertions, 0 deletions