Vector::CumSum Method

Vector Struct

Overload List

#SignatureDescription
1TMtxVec *CumSum(int Index, int Len) const;Cumulative sum.
2TMtxVec *CumSum(TMtxVec *Vec, int VecIndex, int Index, int Len) const;Calculate the cumulative sum for Vec elements [VecIndex]..[VecIndex+Len-1] and store the results in calling object elements [Index]..[Index+Len-1].
3TVec *CumSum() const;Cumulative sum.
4TVec *CumSum(TVec *Vec) const;Calculate the cumulative sum for all Vec elements.

Overload 1: TMtxVec *CumSum(int Index, int Len) const;

Cumulative sum.

#NameTypeDescription
1Indexint
2Lenint
Remarks:

Calculate the cumulative sum for calling object elements [Index]..[Index+Len-1] in-place. An exception is raised if Vector::ConditionCheck is true and array borders are overrun.

Examples
#include "MtxExpr.h"

using namespace Dew;
using namespace Dew::Math;

void Example()
{
    Vector a;

    a.SetIt(false, DewArray<double>{1, 2, 3, 4});
    a.CumSum(); // a = [1,3,6,10]
}
See Also: Vector::Sum
Declared in Dew::Math::Vector · Dew.Math/MtxExpr.h · Cross-compiler

Overload 2: TMtxVec *CumSum(TMtxVec *Vec, int VecIndex, int Index, int Len) const;

Calculate the cumulative sum for Vec elements [VecIndex]..[VecIndex+Len-1] and store the results in calling object elements [Index]..[Index+Len-1].

#NameTypeDescription
1VecTMtxVec *
2VecIndexint
3Indexint
4Lenint
Remarks:

Size and Vector::Complex properties of the calling object must be set explicitly. Exception is raised if Vector::ConditionCheck property is True and array borders are overrun.

Examples
#include "MtxExpr.h"

using namespace Dew;
using namespace Dew::Math;

void Example()
{
    Vector a;

    a = {1, 2, 3, 4};
    a.CumSum(); // a = [1,3,6,10]
}
Declared in Dew::Math::Vector · Dew.Math/MtxExpr.h · Cross-compiler

Overload 3: TVec *CumSum() const;

Cumulative sum.

Remarks:

Calculate the cumulative sum for all calling object elements in-place.

Examples
#include "MtxExpr.h"

using namespace Dew;
using namespace Dew::Math;

void Example()
{
    Vector a;

    a.SetIt(false, DewArray<double>{1, 2, 3, 4});
    a.CumSum(); // a = [1,3,6,10]
}
See Also: Vector::Sum
Declared in Dew::Math::Vector · Dew.Math/MtxExpr.h · Cross-compiler

Overload 4: TVec *CumSum(TVec *Vec) const;

Calculate the cumulative sum for all Vec elements.

#NameTypeDescription
1VecTVec *
Remarks:

Store the results in calling object. Size and Vector::Complex properties of the calling object are set implicitly.

Declared in Dew::Math::Vector · Dew.Math/MtxExpr.h · Cross-compiler