s="c">!               CONDITION EXISTS.</span>
<span class="c">!     RESTRICTIONS--THERE IS NO RESTRICTION ON THE MAXIMUM VALUE</span>
<span class="c">!                   OF N FOR THIS SUBROUTINE.</span>
<span class="c">!     FORTRAN LIBRARY SUBROUTINES NEEDED--SQRT.</span>
<span class="c">!     MODE OF INTERNAL OPERATIONS--.</span>
<span class="c">!     ORIGINAL VERSION--JUNE      1972.</span>
<span class="c">!     UPDATED         --MARCH     1975.</span>
<span class="c">!     UPDATED         --SEPTEMBER 1