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Category: functors Component type: type


Minus<T> is a functors. Specifically, it is an AdaptableBinaryFunction. If f is an object of class minus<T> and x and y are objects of class T, then f(x,y) returns x-y.


Each element in V3 will be the difference of the corresponding elements in V1 and V2

const int N = 1000;
Vector<double> V1(N);
Vector<double> V2(N);
Vector<double> V3(N);

iota(V1.begin(), V1.end(), 1);
fill(V2.begin(), V2.end(), 75);

assert(V2.size() >= V1.size() && V3.size() >= V1.size());
transform(V1.begin(), V1.end(), V2.begin(), V3.begin(),


Defined in the standard header functional, and in the nonstandard backward-compatibility header function.h.

Template parameters

Parameter Description Default
T The function object's argument type and result type.  

Model of

AdaptableBinaryFunction, DefaultConstructible

Type requirements

T must be a numeric type; if x and y are objects of type T, then x-y must be defined and must have a return type that is convertible to T. T must be Assignable.

Public base classes

binary_function<T, T, T>


Member Where defined Description
first_argument_type AdaptableBinaryFunction The type of the first argument: T
second_argument_type AdaptableBinaryFunction The type of the second argument: T
result_type AdaptableBinaryFunction The type of the result: T
T operator()(const T& x, const T& y) AdaptableBinaryFunction Function call operator. The return value is x - y.
minus() DefaultConstructible The default constructor.

New members

All of minus's members are defined in the AdaptableBinaryFunction and DefaultConstructible requirements. Minus does not introduce any new members.


See also

The functors overview, AdaptableBinaryFunction, binary_function, plus, multiplies, divides, modulus, negate

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