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D.13.2.3 positiveOrthant

Procedure from library gfan.lib (see gfan_lib).

Usage:
positiveOrthant(n); n int

Return:
cone, the positive orthant of dimension n

Example:
 
LIB "gfan.lib";
cone c = positiveOrthant(2);
rays(c);
==> 1,0,
==> 0,1

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