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D.8.2.8 exclusionTest

Procedure from library interval.lib (see interval_lib).

Usage:
exclusion test for roots with interval arithmetic

Return:
list of boxes

Example:
 
LIB "interval.lib";
ring R = 0,(x,y),lp;
ideal I = 2x2-xy+2y2-2,2x2-3xy+3y2-2;  // V(I) has four elements
interval i = bounds2(-3/2,3/2);
box B = list(i, i);
list result = exclusionTest(I, B, 1/512);
size(result[1]);
==> 0
size(result[2]);
==> 4
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