aclPrivateArray.h

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/*
 * Advanced Simulation Library <http://asl.org.il>
 * 
 * Copyright 2015 Avtech Scientific <http://avtechscientific.com>
 *
 *
 * This file is part of Advanced Simulation Library (ASL).
 *
 * ASL is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, version 3 of the License.
 *
 * ASL is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with ASL. If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
 
#ifndef ACLPRIVATEARRAY_H
#define ACLPRIVATEARRAY_H
 
#include "../aclElementBase.h"
#include "../../aslUtilities.h"
#include "../aclUtilities.h"
 
using namespace asl;
 
namespace acl
{
 

  template <typename T> class PrivateArray: public ElementBase
  {
    private:
      string name;
      static const string prefix;
      static unsigned int id;
      vector<T> initVector;
    public:
      explicit PrivateArray(const vector<T> & initVector_);
      virtual string str(const KernelConfiguration & kernelConfig) const;
      virtual string getName() const;
      virtual string getAddressSpaceQualifier() const;
      virtual string getTypeSignature(const KernelConfiguration & kernelConfig) const;
      virtual string getLocalDeclaration(const KernelConfiguration & kernelConfig) const;
      virtual void addToKernelSource(vector<Element> & arguments,
                                     vector<Element> & localDeclarations) const;
      virtual void setAsArgument(cl::Kernel & kernel, unsigned int argumentIndex) const;
  };
 
 
  template <typename T> PrivateArray<T>::PrivateArray(const vector<T> & initVector_):
    ElementBase(true, initVector_.size(), typeToTypeID<T>()),
    initVector(initVector_)
  {
    ++id;
    name = prefix + asl::numToStr(id);
  }
 
 
  template <typename T> string PrivateArray<T>::str(const KernelConfiguration & kernelConfig) const
  {
    if (kernelConfig.vectorWidth > 1)
    {
      errorMessage("PrivateArray should not be used in a SIMD Kernel");
      return "";
    }
    else
      return name + "[" + INDEX + "]";
  }
 
 
  template <typename T> string PrivateArray<T>::getName() const
  {
    return name;
  }
    
 
  template <typename T> string PrivateArray<T>::getTypeSignature(const KernelConfiguration & kernelConfig) const
  {
    return "";
  }
 
 
  template <typename T> string PrivateArray<T>::getAddressSpaceQualifier() const
  {
    return "__private";
  }
 
 
  template <typename T> string PrivateArray<T>::getLocalDeclaration(const KernelConfiguration & kernelConfig) const
  {
    string s = typeToStr<T>() + " " + name + "[" + asl::numToStr(size) + "] = {";
 
    for (unsigned int i = 0; i < size; ++i)
      s += numToStr(initVector[i]) + ", ";
 
    // drop last ", "
    s.erase(s.size() - 2);
    s += "}";
      
    return s;
  }
 
 
  template <typename T> void PrivateArray<T>::addToKernelSource(vector<Element> & arguments,
                                                                                                                                vector<Element> & localDeclarations) const
  {
  }
 
 
  // can't be set as an argument
  template <typename T> void PrivateArray<T>::setAsArgument(cl::Kernel & kernel,
                                                           unsigned int argumentIndex) const
  {
  }
 
 
} // namespace acl
 
#endif // ACLPRIVATEARRAY_H