Ensign
Low-rank framework for multi-core CPUs and GPUs
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interpolatory.hpp
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1
6#pragma once
7
8#include <generic/common.hpp>
9#include <generic/matrix.hpp>
10#include <generic/storage.hpp>
11#include <lr/lr.hpp>
12
13namespace Ensign {
14
15void deim_ext(const multi_array<double,2>& _U, Index r, multi_array<Index,1>& I);
16
17// returns the condition number
18double colloquation_to_lr(const multi_array<double,2>& f_I, multi_array<double,2>& f_J, const multi_array<Index,1>& I, multi_array<double,2>& X, multi_array<double,2>& L, Matrix::blas_ops& blas);
19
20// returns the condition number
21double colloquation_to_lr(const multi_array<double,2>& f_I, multi_array<double,2>& f_J, const multi_array<Index,1>& I, lr2<double>& f, Matrix::blas_ops& blas);
22
23}
common.hpp
Provides shared types, platform headers, and basic definitions.
Index
ptrdiff_t Index
Definition common.hpp:83
lr.hpp
Provides two-factor (i.e. matrix) low-rank types and their operations.
matrix.hpp
Declares dense matrix and vector operations, including BLAS wrappers.
Ensign
Core namespace for Ensign's numerical algorithms and data structures.
Definition common.hpp:96
Ensign::colloquation_to_lr
double colloquation_to_lr(const multi_array< double, 2 > &f_I, multi_array< double, 2 > &f_J, const multi_array< Index, 1 > &I, multi_array< double, 2 > &X, multi_array< double, 2 > &L, Matrix::blas_ops &blas)
Ensign::deim_ext
void deim_ext(const multi_array< double, 2 > &_U, Index r, multi_array< Index, 1 > &I)
storage.hpp
Provides contiguous multidimensional arrays for CPU and GPU storage.
Ensign::Matrix::blas_ops
Provides matrix and vector operations with optional GPU execution.
Definition matrix.hpp:47
Ensign::lr2
Class to store the low-rank factors (X, S, V) that are used in the computation.
Definition lr.hpp:21
Ensign::multi_array
Dense d-dimensional array stored contiguously in column-major order (i.e.
Definition storage.hpp:24