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D.2.8.13 rad_con

Procedure from library polylib.lib (see polylib_lib).

Usage:
rad_con(g,I); g polynomial, I ideal

Return:
1 (TRUE) (type int) if g is contained in the radical of I
0 (FALSE) (type int) otherwise

Example:
 
LIB "polylib.lib";
ring R=0,(x,y,z),dp;
ideal I=x2+y2,z2;
poly f=x4+y4;
rad_con(f,I);
==> 0
ideal J=x2+y2,z2,x4+y4;
poly g=z;
rad_con(g,I);
==> 1


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