compNorm method

void compNorm(
  1. int q
)

Implementation

void compNorm(int q ) {
  int q3 = q * 3;
  if (normalCache[ q3 ] == 0.0 ) {
    normalCache[ q3 + 0 ] = field[ q - 1 ] - field[ q + 1 ];
    normalCache[ q3 + 1 ] =
      field[ q - yd ] - field[ q + yd ];
    normalCache[ q3 + 2 ] =
      field[ q - zd ] - field[ q + zd ];
  }
}