message: Change lcals HYDRO_2D to scale as a square
diff: #include "common/DataUtils.hpp"
  +#include <cmath>
  +
  +
  namespace rajaperf
  {
  namespace lcals
  @@ -27,7 +30,7 @@ HYDRO_2D::HYDRO_2D(const RunParams& params)
  m_s = 0.0041;
  m_t = 0.0037;
  - setDefaultSize(m_jn);
  + setDefaultSize(m_kn * m_jn);
  setDefaultReps(200);
  setVariantDefined( Base_Seq );
  @@ -54,7 +57,7 @@ HYDRO_2D::~HYDRO_2D()
  void HYDRO_2D::setUp(VariantID vid)
  {
  - m_kn = getRunSize();
  + m_jn = m_kn = std::sqrt(getRunSize());
  m_array_length = m_kn * m_jn;
  allocAndInitDataConst(m_zrout, m_array_length, 0.0, vid);
  