is_orthonormal

Test if a numeric matrix is orthonormal.

internal

Implements geodesic interpolation and basis
generation functions that allow you to create new tour
methods from R.

<dl><dt>x</dt>
<dd>numeric matrix</dd>
<dt>tol</dt>
<dd>tolerance used to test floating point differences</dd></dl>

<dl>

<dt>x</dt>
<dd>numeric matrix</dd>


<dt>tol</dt>
<dd>tolerance used to test floating point differences</dd>

</dl>