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template<class SinglePassRange1, class SinglePassRange2, class Value> Value inner_product( const SinglePassRange1& rng1, const SinglePassRange2& rng2, Value init ); template<class SinglePassRange1, class SinglePassRange2, class Value, class BinaryOperation1, class BinaryOperation2> Value inner_product( const SinglePassRange1& rng1, const SinglePassRange2& rng2, Value init, BinaryOperation1 op1 );
inner_product
calculates
a generalised inner product of the range rng1
and rng2
.
For further information on the inner_product
algorithm please see inner_product.
Defined in the header file boost/range/numeric.hpp
SinglePassRange1
is
a model of the Single
Pass Range Concept.
SinglePassRange2
is
a model of the Single
Pass Range Concept.
Value
is a model of
the AssignableConcept
.
x
is an object of
type Value
, y
is an object of SinglePassRange1
's
value type, and z
is
an object of SinglePassRange2
's
value type, then x + y * z
is defined.
x
+ y
* z
is convertible to Value
.
SinglePassRange1
is
a model of the Single
Pass Range Concept.
SinglePassRange2
is
a model of the Single
Pass Range Concept.
Value
is a model of
the AssignableConcept
.
BinaryOperation1
is
a model of the BinaryFunctionConcept
.
BinaryOperation2
is
a model of the BinaryFunctionConcept
.
SinglePassRange1
is convertible to the first argument type of BinaryOperation2
.
SinglePassRange2
is convertible to the second argument type of BinaryOperation2
.
Value
is convertible
to the value type of BinaryOperation1
.
BinaryOperation2
is convertible to the second argument type of BinaryOperation1
.
BinaryOperation1
is convertible to Value
.
distance(rng2) >= distance(rng1)
is a valid range.
Linear. Exactly distance(rng)
.