Function: idealmin
Section: number_fields
C-Name: idealmin
Prototype: GGDG
Help: idealmin(nf,ix,{vdir}): pseudo-minimum of the ideal ix in the direction
 vdir in the number field nf.
Doc: \emph{This function is useless and kept for backward compatibility only,
 use \kbd{idealred}}. Computes a pseudo-minimum of the ideal $x$ in the
 direction \var{vdir} in the number field \var{nf}.