ref/include/f11_260.c
// negate a 12x32-bit residue.
negate a 12x32-bit residue.
negate a 12x32 - bit residue .
void negate_narrow(
  residue_narrow_t *result, const residue_narrow_t *x) {
  for (int i = 0; i < NLIMBS; ++i) {
    result->limbs[i] = -(x->limbs[i]);
  }
}
void negate_narrow ( residue_narrow_t * result , const residue_narrow_t * x ) { for ( int i = 0 ; i < NLIMBS ; ++ i ) { result -> limbs [ i ] = - ( x -> limbs [ i ] ) ; } }
negate a 12x32-bit residue.
negate a 12x32 - bit residue .