/usr/share/gecode/mznlib/redefinitions-2.0.mzn is in flatzinc 4.4.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | % This file contains redefinitions of standard builtins that can be overridden
% by solvers.
predicate array_int_maximum(var int: m, array[int] of var int: x);
predicate array_float_maximum(var float: m, array[int] of var float: x) =
let { int: l = min(index_set(x)),
int: u = max(index_set(x)),
float: ly = lb_array(x),
float: uy = ub_array(x),
array[l..u] of var ly..uy: y } in
y[l] = x[l] /\
m = y[u] /\
forall (i in l+1 .. u) ( y[i] == max(x[i],y[i-1]) );
predicate array_int_minimum(var int: m, array[int] of var int: x);
predicate array_float_minimum(var float: m, array[int] of var float: x) =
let { int: l = min(index_set(x)),
int: u = max(index_set(x)),
float: ly = lb_array(x),
float: uy = ub_array(x),
array[l..u] of var ly..uy: y } in
y[l] = x[l] /\
m = y[u] /\
forall (i in l+1 .. u) ( y[i] == min(x[i],y[i-1]) );
|