CCTK_REAL dxuxx,dxuxy,dxuxz,dxuyy,dxuyz,dxuzz
      CCTK_REAL dyuxx,dyuxy,dyuxz,dyuyy,dyuyz,dyuzz
      CCTK_REAL dzuxx,dzuxy,dzuxz,dzuyy,dzuyz,dzuzz
      CCTK_REAL riccixx,riccixy,riccixz,ricciyy,ricciyz,riccizz
      CCTK_REAL t1,t2,t3