mat3.cc (Latest change: Author:Lakshman Anumolu <acrlakshman@yahoo.co.in>, 2019-07-21 09:04:10 -0500, [commit: 9635e15])

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// Copyright 2019 Lakshman Anumolu, Raunak Bardia.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
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// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
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// this list of conditions and the following disclaimer in the documentation
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#include "gals/utilities/mat3.h"

#include "gals/utilities/utilities.h"

template <typename T>
GALS::CPU::Mat3<T>::Mat3(T a00, T a01, T a02, T a10, T a11, T a12, T a20, T a21, T a22)
{
  m_data[0] = a00;
  m_data[1] = a01;
  m_data[2] = a02;
  m_data[3] = a10;
  m_data[4] = a11;
  m_data[5] = a12;
  m_data[6] = a20;
  m_data[7] = a21;
  m_data[8] = a22;
}

template <typename T>
GALS::CPU::Mat3<T>::Mat3()
    : Mat3(static_cast<T>(0), static_cast<T>(0), static_cast<T>(0), static_cast<T>(0), static_cast<T>(0),
           static_cast<T>(0), static_cast<T>(0), static_cast<T>(0), static_cast<T>(0))
{
}

template <typename T>
GALS::CPU::Mat3<T>::~Mat3()
{
}

template <typename T>
const int GALS::CPU::Mat3<T>::size() const
{
  return SIZE;
}

template <typename T>
const GALS::CPU::Vec3<T> GALS::CPU::Mat3<T>::dot(GALS::CPU::Vec3<T> vec) const
{
  GALS::CPU::Vec3<T> res;

  for (int i = 0; i < 3; ++i)
    for (int j = 0; j < 3; ++j) res[i] += m_data[j * 3 + i] * vec[j];

  return res;
}

template <typename T>
const T GALS::CPU::Mat3<T>::operator[](const int idx) const
{
  return m_data[idx];
}

template <typename T>
T& GALS::CPU::Mat3<T>::operator[](const int idx)
{
  return m_data[idx];
}

template <typename T>
const T GALS::CPU::Mat3<T>::operator()(const int i_row, const int i_col) const
{
  return m_data[i_row * 3 + i_col];
}

template <typename T>
T& GALS::CPU::Mat3<T>::operator()(const int i_row, const int i_col)
{
  return m_data[i_row * 3 + i_col];
}

template <typename T>
void GALS::CPU::Mat3<T>::operator=(const Mat3<T>& mat)
{
  for (int i = 0; i < SIZE; ++i) m_data[i] = mat[i];
}

template <typename T>
const GALS::CPU::Mat3<T> GALS::CPU::Mat3<T>::operator-(const Mat3<T>& mat) const
{
  Mat3<T> res;
  for (int i = 0; i < SIZE; ++i) res[i] = m_data[i] - mat[i];

  return res;
}

template <typename T>
const GALS::CPU::Mat3<T> GALS::CPU::Mat3<T>::operator*(const T var) const
{
  Mat3<T> res;
  for (int i = 0; i < SIZE; ++i) res[i] = m_data[i] * var;

  return res;
}

template <typename T>
bool GALS::CPU::Mat3<T>::operator==(const Mat3<T>& mat) const
{
  return (GALS::is_equal(m_data[0], mat[0]) && GALS::is_equal(m_data[1], mat[1]) && GALS::is_equal(m_data[2], mat[2]) &&
          GALS::is_equal(m_data[3], mat[3]) && GALS::is_equal(m_data[4], mat[4]) && GALS::is_equal(m_data[5], mat[5]) &&
          GALS::is_equal(m_data[6], mat[6]) && GALS::is_equal(m_data[7], mat[7]) && GALS::is_equal(m_data[8], mat[8]));
}

template class GALS::CPU::Mat3<int>;
template class GALS::CPU::Mat3<double>;