negate method

Implementation

void negate() {
  _m4storage[0] = -_m4storage[0];
  _m4storage[1] = -_m4storage[1];
  _m4storage[2] = -_m4storage[2];
  _m4storage[3] = -_m4storage[3];
  _m4storage[4] = -_m4storage[4];
  _m4storage[5] = -_m4storage[5];
  _m4storage[6] = -_m4storage[6];
  _m4storage[7] = -_m4storage[7];
  _m4storage[8] = -_m4storage[8];
  _m4storage[9] = -_m4storage[9];
  _m4storage[10] = -_m4storage[10];
  _m4storage[11] = -_m4storage[11];
  _m4storage[12] = -_m4storage[12];
  _m4storage[13] = -_m4storage[13];
  _m4storage[14] = -_m4storage[14];
  _m4storage[15] = -_m4storage[15];
}