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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_SC_INC_FORMULAGROUP_HXX
#define INCLUDED_SC_INC_FORMULAGROUP_HXX
#include <config_features.h>
#include "address.hxx"
#include "calcconfig.hxx"
#include "types.hxx"
#include "stlalgorithm.hxx"
#if HAVE_FEATURE_OPENCL
#include <opencl/platforminfo.hxx>
#endif
#include <memory>
#include <unordered_map>
#include <vector>
class ScDocument;
class ScTokenArray;
class ScFormulaCell;
namespace sc {
struct FormulaGroupEntry
{
union
{
ScFormulaCell* mpCell; // non-shared formula cell
ScFormulaCell** mpCells; // pointer to the top formula cell in a shared group.
};
size_t mnRow;
size_t mnLength;
bool mbShared;
FormulaGroupEntry( ScFormulaCell** pCells, size_t nRow, size_t nLength );
FormulaGroupEntry( ScFormulaCell* pCell, size_t nRow );
};
// Despite the name, this is actually a cache of cell values, used by OpenCL
// code ... I think. And obviously it's not really a struct either.
struct FormulaGroupContext
{
typedef AlignedAllocator<double,256> DoubleAllocType;
typedef std::vector<double, DoubleAllocType> NumArrayType;
typedef std::vector<rtl_uString*> StrArrayType;
typedef std::vector<std::unique_ptr<NumArrayType>> NumArrayStoreType;
typedef std::vector<std::unique_ptr<StrArrayType>> StrArrayStoreType;
struct ColKey
{
SCTAB mnTab;
SCCOL mnCol;
struct Hash
{
size_t operator() ( const ColKey& rKey ) const;
};
ColKey( SCTAB nTab, SCCOL nCol );
bool operator== ( const ColKey& r ) const;
};
struct ColArray
{
NumArrayType* mpNumArray;
StrArrayType* mpStrArray;
size_t mnSize;
ColArray( NumArrayType* pNumArray, StrArrayType* pStrArray );
};
typedef std::unordered_map<ColKey, ColArray, ColKey::Hash> ColArraysType;
NumArrayStoreType m_NumArrays; /// manage life cycle of numeric arrays.
StrArrayStoreType m_StrArrays; /// manage life cycle of string arrays.
ColArraysType maColArrays; /// keep track of longest array for each column.
ColArray* getCachedColArray( SCTAB nTab, SCCOL nCol, size_t nSize );
ColArray* setCachedColArray(
SCTAB nTab, SCCOL nCol, NumArrayType* pNumArray, StrArrayType* pStrArray );
void ensureStrArray( ColArray& rColArray, size_t nArrayLen );
void ensureNumArray( ColArray& rColArray, size_t nArrayLen );
FormulaGroupContext();
FormulaGroupContext(const FormulaGroupContext&) = delete;
const FormulaGroupContext& operator=(const FormulaGroupContext&) = delete;
~FormulaGroupContext();
};
/**
* Abstract base class for a "compiled" formula
*/
class SC_DLLPUBLIC CompiledFormula
{
public:
CompiledFormula();
virtual ~CompiledFormula();
};
/**
* Abstract base class for vectorised formula group interpreters,
* plus a global instance factory.
*/
class SC_DLLPUBLIC FormulaGroupInterpreter
{
static FormulaGroupInterpreter *msInstance;
protected:
ScCalcConfig maCalcConfig;
FormulaGroupInterpreter() {}
virtual ~FormulaGroupInterpreter() {}
/// Merge global and document specific settings.
void MergeCalcConfig(const ScDocument& rDoc);
public:
static FormulaGroupInterpreter *getStatic();
#if HAVE_FEATURE_OPENCL
static void fillOpenCLInfo(std::vector<OpenCLPlatformInfo>& rPlatforms);
static bool switchOpenCLDevice(const OUString& rDeviceId, bool bAutoSelect, bool bForceEvaluation = false);
// This is intended to be called from opencl-test.cxx only
static void enableOpenCL_UnitTestsOnly();
static void disableOpenCL_UnitTestsOnly();
static void getOpenCLDeviceInfo(sal_Int32& rDeviceId, sal_Int32& rPlatformId);
#endif
virtual ScMatrixRef inverseMatrix(const ScMatrix& rMat) = 0;
virtual bool interpret(ScDocument& rDoc, const ScAddress& rTopPos, ScFormulaCellGroupRef& xGroup, ScTokenArray& rCode) = 0;
};
/// Inherit from this for alternate formula group calculation approaches.
class SC_DLLPUBLIC FormulaGroupInterpreterSoftware : public FormulaGroupInterpreter
{
public:
FormulaGroupInterpreterSoftware();
virtual ScMatrixRef inverseMatrix(const ScMatrix& rMat) override;
virtual bool interpret(ScDocument& rDoc, const ScAddress& rTopPos, ScFormulaCellGroupRef& xGroup, ScTokenArray& rCode) override;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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