func NewVector(size int) *Vector {
return &Vector{
&DenseVec{
common.NewCoreVec(false, size, 0, 1),
make([]float64, size),
},
}
}
func NewSparseVector(size int) *Vector {
return &Vector{
&SparseVec{
common.NewCoreVec(false, size, 0, 1),
make(map[int]float64),
},
}
}
func (sv *SparseVec) ViewSelectionLike(offsets []int) Vec {
return &SelectedSparseVec{
&SparseVec{
common.NewCoreVec(false, len(offsets), 0, 1),
sv.elements,
},
offsets, 0,
}
}
func (v *SelectedSparseVec) ViewVec() Vec {
return &SelectedSparseVec{
&SparseVec{
common.NewCoreVec(false, v.Size(), 0, 1),
v.elements,
},
v.offsets, v.offset,
}
}
func (v *DenseVec) ViewSelectionLike(offsets []int) Vec {
return &SelectedDenseVec{
&DenseVec{
common.NewCoreVec(false, len(offsets), 0, 1),
v.elements,
},
offsets, 0,
}
}
func (sv *SparseVec) ViewVec() Vec {
return &SparseVec{
common.NewCoreVec(sv.IsView(), sv.Size(), sv.Zero(), sv.Stride()),
sv.elements,
}
}
func (sv *SparseVec) Like(size int) Vec {
return &SparseVec{
common.NewCoreVec(false, size, 0, 1),
make(map[int]float64),
}
}
func (v *DenseVec) ViewVec() Vec {
return &DenseVec{
common.NewCoreVec(v.IsView(), v.Size(), v.Zero(), v.Stride()),
v.elements,
}
}
func (v *DenseVec) Like(size int) Vec {
return &DenseVec{
common.NewCoreVec(false, size, 0, 1),
make([]float64, size),
}
}