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Simplify move_importance(): take 3

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Use pow() of a negative number instead of 1/x

No functional change.
This commit is contained in:
Marco Costalba
2014-01-01 13:43:58 +01:00
parent a795187c50
commit 29e0d8caa7
1 changed files with 1 additions and 1 deletions
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2
src/timeman.cpp
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@@ -44,7 +44,7 @@ namespace {
double move_importance(int ply) { double move_importance(int ply) {
return 1 / pow((1 + exp((ply - xshift) / xscale)), skewfactor); return pow((1 + exp((ply - xshift) / xscale)), -skewfactor);
} }