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dekker.one
1predicate bool_clause_reif(array[int] of var bool: p, array[int] of var bool: n, bool: c) =
2 if c then
3 bool_clause(p, n)
4 else
5 forall([not x | x in p] ++ n)
6 endif;
7
8predicate bool_clause_reif(array[int] of var bool: p, array[int] of var bool: n, var bool: c) =
9 c = ( sum(i in index_set(p))( bool2int(p[i]) )
10 - sum(i in index_set(n))( bool2int(n[i]) )
11 + length(n)
12 >= 1
13 );
14
15predicate array_int_minimum(var int: m, array[int] of var int: x) =
16 array_int_minimum_I( m, [ x[i] | i in index_set(x)]);
17predicate array_int_maximum(var int: m, array[int] of var int: x) =
18 array_int_minimum_I(-m, [-x[i] | i in index_set(x)]);
19predicate array_float_minimum(var float: m, array[int] of var float: x) =
20 array_float_minimum_I( m, [ x[i] | i in index_set(x)]);
21predicate array_float_maximum(var float: m, array[int] of var float: x) =
22 array_float_minimum_I(-m, [-x[i] | i in index_set(x)]);
23