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fix for unsound results reported in #313

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-11-16 22:59:07 -08:00
parent b8e4871d9e
commit c8f09fa955
4 changed files with 54 additions and 24 deletions
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9
src/ast/ast_util.cpp
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@ -166,6 +166,11 @@ expr * mk_and(ast_manager & m, unsigned num_args, expr * const * args) {
return m.mk_and(num_args, args);
}
app* mk_and(ast_manager & m, unsigned num_args, app * const * args) {
return to_app(mk_and(m, num_args, (expr* const*) args));
}
expr * mk_or(ast_manager & m, unsigned num_args, expr * const * args) {
if (num_args == 0)
return m.mk_false();
@ -175,6 +180,10 @@ expr * mk_or(ast_manager & m, unsigned num_args, expr * const * args) {
return m.mk_or(num_args, args);
}
app* mk_or(ast_manager & m, unsigned num_args, app * const * args) {
return to_app(mk_or(m, num_args, (expr* const*) args));
}
expr * mk_not(ast_manager & m, expr * arg) {
expr * atom;
if (m.is_not(arg, atom))