ShMatrixImpl.hpp

// Sh: A GPU metaprogramming language.
//
// Copyright 2003-2005 Serious Hack Inc.
// 
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// 
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 
// 1. The origin of this software must not be misrepresented; you must
// not claim that you wrote the original software. If you use this
// software in a product, an acknowledgment in the product documentation
// would be appreciated but is not required.
// 
// 2. Altered source versions must be plainly marked as such, and must
// not be misrepresented as being the original software.
// 
// 3. This notice may not be removed or altered from any source
// distribution.
#ifndef SHMATRIXIMPL_HPP
#define SHMATRIXIMPL_HPP

#include <iostream>
#include <algorithm>
#include <string>
#include <sstream>
#include "ShMatrix.hpp"
#include "ShUtility.hpp"

namespace SH {

//Constructors, destructors
template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows, Cols, Binding, T>::ShMatrix()
{ 
  if (Binding != SH_INPUT) {
    for (int i = 0; i < std::min(Rows, Cols); i++)
      m_data[i][i] = 1.0;
  }
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows, Cols, Binding, T>::ShMatrix(const ShMatrix<Rows, Cols, Binding, T>& other)
{
  for (int i = 0; i < Rows; i++)
    m_data[i] = other[i];
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
template<ShBindingType Binding2>
ShMatrix<Rows, Cols, Binding, T>::ShMatrix(const ShMatrix<Rows, Cols, Binding2, T>& other)
{
  for (int i = 0; i < Rows; i++)
    m_data[i] = other[i];
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows, Cols, Binding, T>::~ShMatrix()
{
}

//Operators
template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows, Cols, Binding, T>&
ShMatrix<Rows, Cols, Binding, T>::operator=(const ShMatrix<Rows, Cols, Binding, T>& other)
{
  for (int i = 0; i < Rows; i++)
    m_data[i] = other[i];
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
template<ShBindingType Binding2>
ShMatrix<Rows, Cols, Binding, T>&
ShMatrix<Rows, Cols, Binding, T>::operator=(const ShMatrix<Rows, Cols, Binding2, T>& other)
{
  for (int i = 0; i < Rows; i++)
    m_data[i] = other[i];
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows, Cols, Binding, T>& ShMatrix<Rows, Cols, Binding, T>::operator=(const T& scalar)
{
  for (int i = 0; i < Rows; i++) {
    m_data[i] = fillcast<Cols>(0.0);
    if (i < Cols) {
      m_data[i][i] = scalar;
    }
  }
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows, Cols, Binding, T>& ShMatrix<Rows, Cols, Binding, T>::operator=(const ShGeneric<1, T>& scalar)
{
  for (int i = 0; i < Rows; i++) {
    m_data[i] = fillcast<Cols>(0.0);
    if (i < Cols) {
      m_data[i][i] = scalar;
    }
  }
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShAttrib<Cols, Binding, T>& ShMatrix<Rows, Cols, Binding, T>::operator[](int i)
{
  return m_data[i];
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
const ShAttrib<Cols, Binding, T>& ShMatrix<Rows, Cols, Binding, T>::operator[](int i) const
{
  return m_data[i];
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
template<ShBindingType Binding2>
ShMatrix<Rows, Cols, Binding, T>&
ShMatrix<Rows, Cols, Binding, T>::operator+=(const ShMatrix<Rows, Cols, Binding2, T>& other)
{
  for (int i = 0; i < Rows; i++)
    m_data[i] += other[i];
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
template<ShBindingType Binding2>
ShMatrix<Rows, Cols, Binding, T>&
ShMatrix<Rows, Cols, Binding, T>::operator-=(const ShMatrix<Rows, Cols, Binding2, T>& other)
{
  for (int i = 0; i < Rows; i++)
    m_data[i] -= other[i];
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
template<ShBindingType Binding2>
ShMatrix<Rows, Cols, Binding, T>&
ShMatrix<Rows, Cols, Binding, T>::operator/=(const ShMatrix<Rows, Cols, Binding2, T>& other)
{
  for (int i = 0; i < Rows; i++)
    m_data[i] /= other[i];
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
template<ShBindingType Binding2>
ShMatrix<Rows, Cols, Binding, T>&
ShMatrix<Rows, Cols, Binding, T>::operator*=(const ShMatrix<Rows, Cols, Binding2, T>& other)
{
  ShMatrix<Rows, Cols, SH_TEMP, T> r = *this * other;
  *this = r;
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows, Cols, Binding, T>&
ShMatrix<Rows, Cols, Binding, T>::operator-()
{
  for (int i = 0; i < Rows; i++)
    m_data[i] = -(m_data[i]);
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows, Cols, Binding, T>&
ShMatrix<Rows, Cols, Binding, T>::operator*=(const ShGeneric<1, T>& other)
{
  for (int i = 0; i < Rows; i++)
    m_data[i] *= other;
  return *this;
}
  
template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows, Cols, Binding, T>&
ShMatrix<Rows, Cols, Binding, T>::operator/=(const ShGeneric<1, T>& other)
{
  for (int i = 0; i < Rows; i++)
    m_data[i] /= other;
  return *this;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrixRows<Rows, Cols, T>
ShMatrix<Rows, Cols, Binding, T>::operator()() const
{
  return ShMatrixRows<Rows, Cols, T>(*this);
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrixRows<1, Cols, T>
ShMatrix<Rows, Cols, Binding, T>::operator()(int i0) const
{
  return ShMatrixRows<1, Cols, T>(*this, i0);
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrixRows<2, Cols, T>
ShMatrix<Rows, Cols, Binding, T>::operator()(int i0, int i1) const
{
  return ShMatrixRows<2, Cols, T>(*this, i0, i1);
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrixRows<3, Cols, T>
ShMatrix<Rows, Cols, Binding, T>::operator()(int i0, int i1, int i2) const
{
  return ShMatrixRows<3, Cols, T>(*this, i0, i1, i2);
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrixRows<4, Cols, T>
ShMatrix<Rows, Cols, Binding, T>::operator()(int i0, int i1, int i2, int i3) const
{
  return ShMatrixRows<4, Cols, T>(*this, i0, i1, i2, i3);
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
std::ostream& operator<<(std::ostream& out,
                         const ShMatrix<Rows, Cols, Binding, T>& m)
{
  for (int k = 0; k < Rows; k++) {   
    out << m[k];
    out << std::endl;
  }
    
  return out;
}
  
  
template<int Rows, int Cols, ShBindingType Binding, typename T>
ShMatrix<Rows - 1, Cols -1, SH_TEMP, T>
ShMatrix<Rows, Cols, Binding, T>::subMatrix(int rowToRemove,
                                            int columnToRemove) const
{
  ShMatrix<Rows - 1, Cols - 1, SH_TEMP, T> myMatrix;
    
  int indices[Cols - 1];
  for (int i = 0; i < columnToRemove; i++) 
    indices[i] = i;
  for (int i = columnToRemove + 1; i < Cols; i++) 
    indices[i - 1] = i;
    
  for (int i = 0; i < rowToRemove; i++) {
    myMatrix[i].clone(m_data[i].template swiz<Cols - 1>(indices));
  }
    
  for (int i = rowToRemove + 1; i < Rows; i++) {
    myMatrix[i - 1].clone(m_data[i].template swiz<Cols - 1>(indices));
  }
    
  return myMatrix;
}

template<int Rows,int Cols,ShBindingType Binding, typename T>
void ShMatrix<Rows, Cols, Binding, T>::setTranslation(const ShGeneric<Rows-1, T>& trans){
                                                        
  for(int i = 0;i<(Rows-1);i++)
    m_data[i][(Cols-1)] = trans[i];
}
  
  
template<int Rows,int Cols,ShBindingType Binding, typename T>
void ShMatrix<Rows, Cols, Binding, T>::setScaling(const ShGeneric<Rows-1, T>& scale){
  for(int i = 0;i<(Rows-1);i++)
    m_data[i][i] = scale[i];
}

// ShMatrixRows stuff //


template<int Rows, int Cols, typename T>
template<int OR, ShBindingType Binding>
ShMatrixRows<Rows, Cols, T>::ShMatrixRows(const ShMatrix<OR, Cols, Binding, T>& source,
                                          int i0)
{
  SH_STATIC_CHECK(Rows == 1, Constructing_Non_1_Row_Matrix_From_1_Row);
  
  m_data[0].clone(source[i0]);
}

template<int Rows, int Cols, typename T>
template<int OR, ShBindingType Binding>
ShMatrixRows<Rows, Cols, T>::ShMatrixRows(const ShMatrix<OR, Cols, Binding, T>& source,
                                          int i0, int i1)
{
  SH_STATIC_CHECK(Rows == 2, Constructing_Non_2_Row_Matrix_From_2_Rows);
  
  m_data[0].clone(source[i0]);
  m_data[1].clone(source[i1]);
}

template<int Rows, int Cols, typename T>
template<int OR, ShBindingType Binding>
ShMatrixRows<Rows, Cols, T>::ShMatrixRows(const ShMatrix<OR, Cols, Binding, T>& source,
                                          int i0, int i1, int i2)
{
  SH_STATIC_CHECK(Rows == 3, Constructing_Non_3_Row_Matrix_From_3_Rows);
  
  m_data[0].clone(source[i0]);
  m_data[1].clone(source[i1]);
  m_data[2].clone(source[i2]);
}

template<int Rows, int Cols, typename T>
template<int OR, ShBindingType Binding>
ShMatrixRows<Rows, Cols, T>::ShMatrixRows(const ShMatrix<OR, Cols, Binding, T>& source,
                                          int i0, int i1, int i2, int i3)
{
  SH_STATIC_CHECK(Rows == 4, Constructing_Non_4_Row_Matrix_From_4_Rows);
  
  m_data[0].clone(source[i0]);
  m_data[1].clone(source[i1]);
  m_data[2].clone(source[i2]);
  m_data[3].clone(source[i3]);
}

template<int Rows, int Cols, typename T>
ShMatrixRows<Rows, Cols, T>::ShMatrixRows(const ShMatrixRows<Rows, Cols, T>& other)
{
  // TODO: clone?
  for (int i = 0; i < Rows; i++)
    m_data[i] = other.m_data[i];
}

template<int Rows, int Cols, typename T>
ShMatrixRows<Rows, Cols, T>&
ShMatrixRows<Rows, Cols, T>::operator=(const ShMatrixRows<Rows, Cols, T>& other)
{
  // TODO: clone?
  for (int i = 0; i < Rows; i++)
    m_data[i] = other.m_data[i];
}

template<int Rows, int Cols, typename T>
ShMatrix<Rows, Cols, SH_TEMP, T>
ShMatrixRows<Rows, Cols, T>::operator()() const
{
  ShMatrix<Rows, Cols, SH_TEMP, T> r;
  for (int i = 0; i < Rows; i++) r[i].clone(m_data[i]);
  return r;
}

template<int Rows, int Cols, typename T>
ShMatrix<Rows, 1, SH_TEMP, T>
ShMatrixRows<Rows, Cols, T>::operator()(int i0) const
{
  ShMatrix<Rows, 1, SH_TEMP, T> r;
  for (int i = 0; i < Rows; i++) r[i].clone(m_data[i](i0));
  return r;
}

template<int Rows, int Cols, typename T>
ShMatrix<Rows, 2, SH_TEMP, T>
ShMatrixRows<Rows, Cols, T>::operator()(int i0, int i1) const
{
  ShMatrix<Rows, 2, SH_TEMP, T> r;
  for (int i = 0; i < Rows; i++) r[i].clone(m_data[i](i0, i1));
  return r;
}

template<int Rows, int Cols, typename T>
ShMatrix<Rows, 3, SH_TEMP, T>
ShMatrixRows<Rows, Cols, T>::operator()(int i0, int i1, int i2) const
{
  ShMatrix<Rows, 3, SH_TEMP, T> r;
  for (int i = 0; i < Rows; i++) r[i].clone(m_data[i](i0, i1, i2));
  return r;
}

template<int Rows, int Cols, typename T>
ShMatrix<Rows, 4, SH_TEMP, T>
ShMatrixRows<Rows, Cols, T>::operator()(int i0, int i1, int i2, int i3) const
{
  ShMatrix<Rows, 4, SH_TEMP, T> r;
  for (int i = 0; i < Rows; i++) r[i].clone(m_data[i](i0, i1, i2, i3));
  return r;
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
void ShMatrix<Rows, Cols, Binding, T>::range(host_type low, host_type high)
{
  for (int i = 0; i < Rows; i++) m_data[i].range(low, high);
}

template<int Rows, int Cols, ShBindingType Binding, typename T>
std::string ShMatrix<Rows, Cols, Binding, T>::name() const
  {
  return ShMeta::name();
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
void ShMatrix<Rows, Cols, Binding, T>::name(const std::string& n)
  {
  ShMeta::name(n);
  
  for (int i = 0; i < Rows; i++)
    {
    std::stringstream s;
    s << n << ".row[" << i << "]";
    m_data[i].name(s.str());
    }
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
bool ShMatrix<Rows, Cols, Binding, T>:: has_name() const
  {
  return ShMeta::has_name();
  }
  
template<int Rows, int Cols, ShBindingType Binding, typename T>
bool ShMatrix<Rows, Cols, Binding, T>::internal() const
  {
  return ShMeta::internal();
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
void ShMatrix<Rows, Cols, Binding, T>::internal(bool internal)
  {
  ShMeta::internal(internal);
  
  for (int i = 0; i < Rows; i++)
    {
    m_data[i].internal(internal);
    }
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
std::string ShMatrix<Rows, Cols, Binding, T>::title() const
  {
  return ShMeta::title();
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
void ShMatrix<Rows, Cols, Binding, T>::title(const std::string& t)
  {
  ShMeta::title(t);

  for (int i = 0; i < Rows; i++)
    {
    std::stringstream s;
    s << t << ".row[" << i << "]";
    m_data[i].title(s.str());
    }
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
std::string ShMatrix<Rows, Cols, Binding, T>::description() const
  {
  return ShMeta::description();
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
void ShMatrix<Rows, Cols, Binding, T>::description(const std::string& d)
  {
  ShMeta::description(d);

  for (int i = 0; i < Rows; i++)
    {
    std::stringstream s;
    s << d << ".row[" << i << "]";
    m_data[i].description(s.str());
    }
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
std::string ShMatrix<Rows, Cols, Binding, T>::meta(const std::string& key) const
  {
  return ShMeta::meta(key);
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
void ShMatrix<Rows, Cols, Binding, T>::meta(const std::string& key, const std::string& value)
  {
  ShMeta::meta(key, value);

  for (int i = 0; i < Rows; i++)
    {
    std::stringstream s;
    s << value << ".row[" << i << "]";
    m_data[i].meta(key, s.str());
    }
  }

template<int Rows, int Cols, ShBindingType Binding, typename T>
void ShMatrix<Rows, Cols, Binding, T>::getValues(host_type dest[]) const
{
  int x = 0;
  for (int i=0; i < Rows; i++) {
    for (int j=0; j < Cols; j++) {
      typedef ShDataVariant<T, SH_HOST> VariantType;
      typedef ShPointer<VariantType> VariantTypePtr;
      VariantTypePtr c = variant_cast<T, SH_HOST>(m_data[i].getVariant());
      dest[x] = (*c)[j];
      x++;
    }
  }
}

}

#endif

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