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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/.
*/
#include "opbase.hxx"
#include "formula/vectortoken.hxx"
using namespace formula;
namespace sc { namespace opencl {
DynamicKernelArgument::DynamicKernelArgument(const std::string &s,
FormulaTreeNodeRef ft):
mSymName(s), mFormulaTree(ft) {}
/// Generate use/references to the argument
void DynamicKernelArgument::GenDeclRef(std::stringstream &ss) const
{
ss << mSymName;
}
FormulaToken* DynamicKernelArgument::GetFormulaToken(void) const
{
return mFormulaTree->GetFormulaToken();
}
VectorRef::VectorRef(const std::string &s, FormulaTreeNodeRef ft, int idx):
DynamicKernelArgument(s, ft), mpClmem(NULL), mnIndex(idx)
{
if (mnIndex)
{
std::stringstream ss;
ss << mSymName << "s" << mnIndex;
mSymName = ss.str();
}
}
VectorRef::~VectorRef()
{
if (mpClmem) {
cl_int ret = clReleaseMemObject(mpClmem);
if (ret != CL_SUCCESS)
throw OpenCLError(ret);
}
}
/// Generate declaration
void VectorRef::GenDecl(std::stringstream &ss) const
{
ss << "__global double *"<<mSymName;
}
/// When declared as input to a sliding window function
void VectorRef::GenSlidingWindowDecl(std::stringstream &ss) const
{
VectorRef::GenDecl(ss);
}
/// When referenced in a sliding window function
std::string VectorRef::GenSlidingWindowDeclRef(bool) const
{
std::stringstream ss;
formula::SingleVectorRefToken *pSVR =
dynamic_cast<formula::SingleVectorRefToken*>(DynamicKernelArgument::GetFormulaToken());
if (pSVR)
ss << "(gid0 < " << pSVR->GetArrayLength() << "?";
ss << mSymName << "[gid0]";
if (pSVR)
ss << ":NAN)";
return ss.str();
}
size_t VectorRef::GetWindowSize(void) const
{
FormulaToken *pCur = mFormulaTree->GetFormulaToken();
assert(pCur);
if (const formula::DoubleVectorRefToken* pCurDVR =
dynamic_cast<const formula::DoubleVectorRefToken *>(pCur))
{
return pCurDVR->GetRefRowSize();
}
else if (dynamic_cast<const formula::SingleVectorRefToken *>(pCur))
{
// Prepare intermediate results (on CPU for now)
return 1;
}
else
{
throw Unhandled();
}
}
void Normal::GenSlidingWindowFunction(
std::stringstream &ss, const std::string sSymName, SubArguments &vSubArguments)
{
ArgVector argVector;
ss << "\ndouble " << sSymName;
ss << "_"<< BinFuncName() <<"(";
for (unsigned i = 0; i < vSubArguments.size(); i++)
{
if (i)
ss << ",";
vSubArguments[i]->GenSlidingWindowDecl(ss);
argVector.push_back(vSubArguments[i]->GenSlidingWindowDeclRef());
}
ss << ") {\n\t";
ss << "double tmp = " << GetBottom() <<";\n\t";
ss << "int gid0 = get_global_id(0);\n\t";
ss << "tmp = ";
ss << Gen(argVector);
ss << ";\n\t";
ss << "return tmp;\n";
ss << "}";
}
void CheckVariables::GenTmpVariables(
std::stringstream & ss, SubArguments & vSubArguments)
{
for(unsigned i=0;i<vSubArguments.size();i++)
{
ss << " double tmp";
ss << i;
ss <<";\n";
}
}
void CheckVariables::CheckSubArgumentIsNan( std::stringstream & ss,
SubArguments &vSubArguments, int argumentNum)
{
int i = argumentNum;
#ifdef ISNAN
if(vSubArguments[i]->GetFormulaToken()->GetType() ==
formula::svSingleVectorRef)
{
const formula::SingleVectorRefToken*pTmpDVR1= dynamic_cast<const
formula::SingleVectorRefToken *>(vSubArguments[i]->GetFormulaToken());
ss<< " if(singleIndex>=";
ss<< pTmpDVR1->GetArrayLength();
ss<<" ||";
}
if(vSubArguments[i]->GetFormulaToken()->GetType() ==
formula::svDoubleVectorRef)
{
const formula::DoubleVectorRefToken*pTmpDVR2= dynamic_cast<const
formula::DoubleVectorRefToken *>(vSubArguments[i]->GetFormulaToken());
ss<< " if(doubleIndex>=";
ss<< pTmpDVR2->GetArrayLength();
ss<<" ||";
}
if(vSubArguments[i]->GetFormulaToken()->GetType() == formula::svDouble ||
vSubArguments[i]->GetFormulaToken()->GetOpCode() != ocPush)
{
ss<< " if(";
}
ss<< "isNan(";
ss<< vSubArguments[i]->GenSlidingWindowDeclRef();
ss<<"))\n";
ss<< " tmp";
ss<< i;
ss <<"=0;\n else \n";
#endif
ss <<" tmp";
ss <<i;
ss << "=";
ss << vSubArguments[i]->GenSlidingWindowDeclRef();
ss<<";\n";
}
void CheckVariables::CheckSubArgumentIsNan2( std::stringstream & ss,
SubArguments &vSubArguments, int argumentNum, std::string p)
{
int i = argumentNum;
if(vSubArguments[i]->GetFormulaToken()->GetType() == formula::svDouble)
{
ss <<" tmp";
ss <<i;
ss << "=";
vSubArguments[i]->GenDeclRef(ss);
ss<<";\n";
return;
}
#ifdef ISNAN
ss<< " tmp";
ss<< i;
ss<< "= fsum(";
if(vSubArguments[i]->GetFormulaToken()->GetType() ==
formula::svDoubleVectorRef)
{
vSubArguments[i]->GenDeclRef(ss);
ss<<"["<< p.c_str()<< "]";
}
else if(vSubArguments[i]->GetFormulaToken()->GetType() ==
formula::svSingleVectorRef)
{
formula::SingleVectorRefToken *pSVR = dynamic_cast<formula::SingleVectorRefToken*>(vSubArguments[i]->GetFormulaToken());
ss<<"(get_group_id(1)<" << pSVR->GetArrayLength() << "?";
vSubArguments[i]->GenDeclRef(ss);
ss<<"[get_group_id(1)]:0)";
}
ss<<", 0);\n";
#else
ss <<" tmp";
ss <<i;
ss << "=";
vSubArguments[i]->GenDeclRef(ss);
if(vSubArguments[i]->GetFormulaToken()->GetType() ==
formula::svDoubleVectorRef)
ss<<"["<< p.c_str()<< "]";
else if(vSubArguments[i]->GetFormulaToken()->GetType() ==
formula::svSingleVectorRef)
ss<<"[get_group_id(1)]";
ss<<";\n";
#endif
}
void CheckVariables::CheckAllSubArgumentIsNan(
std::stringstream & ss, SubArguments & vSubArguments)
{
ss<<" int k = gid0;\n";
for(unsigned i=0;i<vSubArguments.size();i++)
{
CheckSubArgumentIsNan(ss,vSubArguments,i);
}
}
}}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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