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Operator *=(): Use correct derivative chain rule

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Updating the derivative using '*=' is just plain wrong.
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Bård Skaflestad 2013-04-29 23:53:31 +02:00
parent 72d6d32095
commit 011ab5ee93
1 changed files with 1 additions and 1 deletions
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2
AutoDiff.hpp
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@ -96,7 +96,7 @@ namespace AutoDiff {
Forward&
operator *=(const Forward& rhs)
{
dx_ *= dx_*rhs.x_ + x_*rhs.dx_;
dx_ = dx_*rhs.x_ + x_*rhs.dx_;
x_ *= rhs.x_;
return *this;