phetrf.h

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// ========================================================================= //
// This file is part of MyraMath, copyright (c) 2014-2019 by Ryan A Chilton  //
// and distributed by MyraCore, LLC. See LICENSE.txt for license terms.      //
// ========================================================================= //

#ifndef MYRAMATH_PDENSE_PHETRF_H
#define MYRAMATH_PDENSE_PHETRF_H

#include <myramath/MYRAMATH_EXPORT.h>
#include <myramath/utility/Number.h>

#include <myramath/jobgraph/JobGraph.h>

#include <myramath/dense/LDLSwaps.h>

#include <myramath/pdense/Options.h>

namespace myra {

// Forward declarations.
template <class Number> class MatrixRange;
template <class Number> class LowerMatrixRange;

// Note, phetrf_inplace('L') is layout compatible with the sequential hetrf_inplace('L','R')
// Also, phetrf_inplace('U') is layout compatible with the sequential hetrf_inplace('U','R')
MYRAMATH_EXPORT LDLSwaps<NumberC> phetrf_inplace(char uplo, const MatrixRange<NumberC>& A, pdense::Options options = pdense::Options::create());
MYRAMATH_EXPORT LDLSwaps<NumberZ> phetrf_inplace(char uplo, const MatrixRange<NumberZ>& A, pdense::Options options = pdense::Options::create());

MYRAMATH_EXPORT JobGraph phetrf_jobgraph(char uplo, const MatrixRange<NumberC>& A, LDLSwaps<NumberC>& swaps, pdense::Options options = pdense::Options::create());
MYRAMATH_EXPORT JobGraph phetrf_jobgraph(char uplo, const MatrixRange<NumberZ>& A, LDLSwaps<NumberZ>& swaps, pdense::Options options = pdense::Options::create());

// Layout compatible with the sequential hetrf_inplace()
MYRAMATH_EXPORT LDLSwaps<NumberC> phetrf_inplace(const LowerMatrixRange<NumberC>& A, pdense::Options options = pdense::Options::create());
MYRAMATH_EXPORT LDLSwaps<NumberZ> phetrf_inplace(const LowerMatrixRange<NumberZ>& A, pdense::Options options = pdense::Options::create());

MYRAMATH_EXPORT JobGraph phetrf_jobgraph(const LowerMatrixRange<NumberC>& A, LDLSwaps<NumberC>& swaps, pdense::Options options = pdense::Options::create());
MYRAMATH_EXPORT JobGraph phetrf_jobgraph(const LowerMatrixRange<NumberZ>& A, LDLSwaps<NumberC>& swaps, pdense::Options options = pdense::Options::create());

} // namespace myra

#endif