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D.6.4.17 prepRealclassify

Procedure from library classify.lib (see classify_lib).

Usage:
prepRealclassify(f); f poly

Return:
a list, containing the modality of the singularity and the type of the singularity as a string
This procedure is needed in realclassify.lib in order to avoid classify() being called more than once.

Example:
 
LIB "classify.lib";
ring r = 0, (x,y,z), ds;
poly f = (x2+3y-2z)^2+xyz-(x-y3+x2z3)^3;
prepRealclassify(f);
==> [1]:
==>    0
==> [2]:
==>    D[4]