44#ifndef RTOPPACK_SPARSE_SUB_VECTOR_T_HPP
45#define RTOPPACK_SPARSE_SUB_VECTOR_T_HPP
49#include "Teuchos_Assert.hpp"
134template<
class Scalar>
145 Teuchos_Ordinal globalOffset_in, Teuchos_Ordinal subDim_in, Teuchos_Ordinal subNz_in,
146 const ArrayRCP<const Scalar> &values_in, ptrdiff_t valuesStride_in,
147 const ArrayRCP<const Teuchos_Ordinal> &indices_in, ptrdiff_t indicesStride_in,
148 ptrdiff_t localOffset_in,
bool isSorted_in
156 initialize(globalOffset_in, subDim_in, subNz_in, values_in, valuesStride_in,
157 indices_in, indicesStride_in, localOffset_in, isSorted_in);
162 Teuchos_Ordinal globalOffset_in, Teuchos_Ordinal subDim_in,
163 const ArrayRCP<const Scalar> &values_in, ptrdiff_t valuesStride_in
171 initialize(globalOffset_in, subDim_in, values_in, valuesStride_in);
182 Teuchos_Ordinal globalOffset_in, Teuchos_Ordinal subDim_in, Teuchos_Ordinal subNz_in,
183 const ArrayRCP<const Scalar> &values_in, ptrdiff_t valuesStride_in,
184 const ArrayRCP<const Teuchos_Ordinal> &indices_in, ptrdiff_t indicesStride_in,
185 ptrdiff_t localOffset_in,
bool isSorted_in
190 TEUCHOS_ASSERT(globalOffset_in >= 0);
191 TEUCHOS_ASSERT(subDim_in > 0);
192 TEUCHOS_ASSERT_IN_RANGE_UPPER_EXCLUSIVE(subNz_in, 0, subDim_in+1);
193 TEUCHOS_ASSERT_EQUALITY(values_in.lowerOffset(), 0);
194 TEUCHOS_ASSERT(valuesStride_in != 0);
195 TEUCHOS_ASSERT_EQUALITY(values_in.size(),
196 subNz_in*as<Teuchos_Ordinal>(std::abs(as<int>(valuesStride_in))));
197 if (!is_null(indices_in)) {
198 TEUCHOS_ASSERT(indicesStride_in != 0);
199 TEUCHOS_ASSERT_EQUALITY(indices_in.size(),
200 subNz_in*as<Teuchos_Ordinal>(std::abs(as<int>(indicesStride_in))));
203 for (
int k = 0; k < subNz_in-1; ++k) {
204 const Teuchos_Ordinal idx_k = indices_in[k*indicesStride_in];
205 const Teuchos_Ordinal idx_kp1 = indices_in[(k+1)*indicesStride_in];
206 TEUCHOS_TEST_FOR_EXCEPTION( !(idx_k < idx_kp1), std::out_of_range,
207 "Error indices["<<k<<
"]="<<idx_k<<
" >= indices["<<k+1<<
"]="<<idx_kp1
225 Teuchos_Ordinal globalOffset_in, Teuchos_Ordinal subDim_in,
226 const ArrayRCP<const Scalar> &values_in, ptrdiff_t valuesStride_in
229 initialize(globalOffset_in, subDim_in, subDim_in, values_in, valuesStride_in,
230 Teuchos::null, 0, 0,
true);
Class for a (sparse or dense) sub-vector.
ptrdiff_t valuesStride() const
Stride between elements in values[].
Teuchos_Ordinal subNz() const
Number of nonzero elements (subNz == subDim for dense vectors).
SparseSubVectorT(Teuchos_Ordinal globalOffset_in, Teuchos_Ordinal subDim_in, Teuchos_Ordinal subNz_in, const ArrayRCP< const Scalar > &values_in, ptrdiff_t valuesStride_in, const ArrayRCP< const Teuchos_Ordinal > &indices_in, ptrdiff_t indicesStride_in, ptrdiff_t localOffset_in, bool isSorted_in)
ArrayRCP< const Scalar > values_
bool isSorted() const
If isSorted == false then the vector is not sorted, otherwise it is sorted (sparse vectors only).
Teuchos_Ordinal globalOffset() const
Offset for the sub-vector into the global vector.
void initialize(Teuchos_Ordinal globalOffset_in, Teuchos_Ordinal subDim_in, const ArrayRCP< const Scalar > &values_in, ptrdiff_t valuesStride_in)
ArrayRCP< const Teuchos_Ordinal > indices_
Teuchos_Ordinal globalOffset_
Teuchos_Ordinal subDim() const
Dimension of the sub-vector.
SparseSubVectorT(Teuchos_Ordinal globalOffset_in, Teuchos_Ordinal subDim_in, const ArrayRCP< const Scalar > &values_in, ptrdiff_t valuesStride_in)
SparseSubVectorT(const ConstSubVectorView< Scalar > &sv)
ptrdiff_t indicesStride() const
Stride between indices in indices[] (sparse vectors only).
void initialize(Teuchos_Ordinal globalOffset_in, Teuchos_Ordinal subDim_in, Teuchos_Ordinal subNz_in, const ArrayRCP< const Scalar > &values_in, ptrdiff_t valuesStride_in, const ArrayRCP< const Teuchos_Ordinal > &indices_in, ptrdiff_t indicesStride_in, ptrdiff_t localOffset_in, bool isSorted_in)
const ArrayRCP< const Scalar > values() const
Array (size min{|valueStride*subNz|,1}) for the values in the vector.
void setGlobalOffset(Teuchos_Ordinal globalOffset_in)
ptrdiff_t localOffset() const
Offset of indices[] into local sub-vector (sparse vectors only).
const ArrayRCP< const Teuchos_Ordinal > indices() const
Array (size indicesStride*subNz) if not Teuchos::null) for the indices of the nonzero elements in the...