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some operation utilities

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This commit is contained in:
Christian Zimmermann 2018-07-19 13:00:34 +02:00
parent 7735a1f9fb
commit 5c4f0c3f1b
1 changed files with 65 additions and 0 deletions
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65
src/include/multi_array_operation.h
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@ -305,6 +305,71 @@ namespace MultiArrayTools
{
return Operation<typename OpFunction::value_type,OpFunction,Ops...>(ops...);
}
template <typename T, class OperationClass>
auto operator+(const T& a, const OperationBase<T,OperationClass>& b)
-> Operation<T,plus<T>,OperationValue<T>,OperationClass>
{
OperationValue<T> v(a);
return Operation<T,plus<T>,OperationValue<T>,OperationClass>(v, b.THIS());
}
template <typename T, class OperationClass>
auto operator-(const T& a, const OperationBase<T,OperationClass>& b)
-> Operation<T,minus<T>,OperationValue<T>,OperationClass>
{
OperationValue<T> v(a);
return Operation<T,minus<T>,OperationValue<T>,OperationClass>(v, b.THIS());
}
template <typename T, class OperationClass>
auto operator*(const T& a, const OperationBase<T,OperationClass>& b)
-> Operation<T,multiplies<T>,OperationValue<T>,OperationClass>
{
OperationValue<T> v(a);
return Operation<T,multiplies<T>,OperationValue<T>,OperationClass>(v, b.THIS());
}
template <typename T, class OperationClass>
auto operator/(const T& a, const OperationBase<T,OperationClass>& b)
-> Operation<T,divides<T>,OperationValue<T>,OperationClass>
{
OperationValue<T> v(a);
return Operation<T,divides<T>,OperationValue<T>,OperationClass>(v, b.THIS());
}
template <typename T, class OperationClass>
auto operator+(const OperationBase<T,OperationClass>& a, const T& b)
-> Operation<T,plus<T>,OperationClass,OperationValue<T> >
{
OperationValue<T> v(b);
return Operation<T,plus<T>,OperationClass,OperationValue<T> >(a.THIS(), v);
}
template <typename T, class OperationClass>
auto operator-(const OperationBase<T,OperationClass>& a, const T& b)
-> Operation<T,minus<T>,OperationClass,OperationValue<T> >
{
OperationValue<T> v(b);
return Operation<T,minus<T>,OperationClass,OperationValue<T> >(a.THIS(), v);
}
template <typename T, class OperationClass>
auto operator*(const OperationBase<T,OperationClass>& a, const T& b)
-> Operation<T,multiplies<T>,OperationClass,OperationValue<T> >
{
OperationValue<T> v(b);
return Operation<T,multiplies<T>,OperationClass,OperationValue<T> >(a.THIS(), v);
}
template <typename T, class OperationClass>
auto operator/(const OperationBase<T,OperationClass>& a, const T& b)
-> Operation<T,divides<T>,OperationClass,OperationValue<T> >
{
OperationValue<T> v(b);
return Operation<T,divides<T>,OperationClass,OperationValue<T> >(a.THIS(), v);
}
template <typename T, class Op, class IndexType>
class Contraction : public OperationTemplate<T,Contraction<T,Op,IndexType> >