s some of a C4MAT.
        </li>
        <li>
          <b>C4MAT_UNIFORM_01</b> returns a unit pseudorandom C4MAT.
        </li>
        <li>
          <b>C4VEC_INDICATOR</b> sets a C4VEC to the indicator vector.
        </li>
        <li>
          <b>C4VEC_NINT</b> rounds the entries of a C4VEC.
        </li>
        <li>
          <b>C4VEC_NORM_L2</b> returns the L2 norm of a C4VEC.
        </li>
        <li>
          <b>C4VEC_PRINT</b> prints a C4VEC, with an optional title.
        </li>
        <li>
