|  |  D.13.2.34 isSmooth Procedure from librarypolymake.lib(see  polymake_lib).
 
Example:Usage:
isSmooth(c); c cone
isSmooth(f); f fan
 isSmooth(p); p polytope
 
Return:
1, if the input is smooth; 0 otherwise
 |  | LIB "polymake.lib";
==> Welcome to polymake version
==> Copyright (c) 1997-2015
==> Ewgenij Gawrilow, Michael Joswig (TU Darmstadt)
==> http://www.polymake.org
intmat M1[2][2]=
1,0,
0,1;
cone c1 = coneViaPoints(M1);
isSmooth(c1);
==> polymake: used package ppl
==>   The Parma Polyhedra Library (PPL): A C++ library for convex polyhedra
==>   and other numerical abstractions.
==>   http://www.cs.unipr.it/ppl/
==> 
==> 1
intmat M2[3][3]=
1,0,
1,2;
cone c2 = coneViaPoints(M2);
fan F1 = emptyFan(2);
insertCone(F1,c1);
isSmooth(F1);
==> 1
fan F2 = emptyFan(3);
insertCone(F2,c2);
isSmooth(F2);
==> 1
intmat Mp[3][3]=
1,-2,-3,
1,1,0,
1,0,1;
polytope p = polytopeViaPoints(Mp);
isSmooth(p);
==> 0
fan F = normalFan(p);
isSmooth(F);
==> 0
intmat Mq[4][3]=
1,2,0,
1,0,1,
1,2,1,
1,0,0;
polytope q = polytopeViaPoints(Mq);
isSmooth(q);
==> 1
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