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Function unit_vector


\begin{boxedminipage}{\textwidth} \begin{verbatim}u = unit_vector(theta,phi)\end{verbatim} \end{boxedminipage}

Return a unit vector in the direction given by the angles theta and phi, i.e. convert the spherical polar coordinates point $(1,\theta,\phi)$ to cartesians.

theta, phi -- real(dp), intent(in)

Return value -- real(dp), dimension(3)

random_unit_vector function
gabor 2009-06-30