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Merge remote-tracking branch 'bska/master'

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Atgeirr Flø Rasmussen 2013-04-30 11:07:13 +02:00
commit 0bf693e8c0
1 changed files with 8 additions and 24 deletions
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32
AutoDiff.hpp
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@ -58,74 +58,58 @@ namespace AutoDiff {
return Forward(x, dx);
}
Forward&
void
operator +=(const Scalar& rhs)
{
val_ += rhs;
return *this;
}
Forward&
void
operator +=(const Forward& rhs)
{
val_ += rhs.val_;
der_ += rhs.der_;
return *this;
}
Forward&
void
operator -=(const Scalar& rhs)
{
val_ -= rhs;
return *this;
}
Forward&
void
operator -=(const Forward& rhs)
{
val_ -= rhs.val_;
der_ -= rhs.der_;
return *this;
}
Forward&
void
operator *=(const Scalar& rhs)
{
val_ *= rhs;
der_ *= rhs;
return *this;
}
Forward&
void
operator *=(const Forward& rhs)
{
der_ = der_*rhs.val_ + val_*rhs.der_;
val_ *= rhs.val_;
return *this;
}
Forward&
void
operator /=(const Scalar& rhs)
{
val_ /= rhs;
der_ /= rhs;
return *this;
}
Forward&
void
operator /=(const Forward& rhs)
{
der_ = (der_*rhs.val_ - val_*rhs.der_) / (rhs.val_ * rhs.val_);
val_ /= rhs.val_;
return *this;
}
template <class Ostream>