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add method to create bit-vectors directly from an array of Booleans

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-15 14:44:59 -08:00
parent 2c97eb1393
commit 795e0c641a
7 changed files with 45 additions and 15 deletions
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14
src/api/api_numeral.cpp
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@ -387,4 +387,18 @@ extern "C" {
Z3_CATCH_RETURN(Z3_FALSE);
}
Z3_ast Z3_API Z3_mk_bv_numeral(Z3_context c, unsigned sz, Z3_bool const* bits) {
Z3_TRY;
LOG_Z3_mk_bv_numeral(c, sz, bits);
RESET_ERROR_CODE();
rational r(0), two(2), one(1);
for (unsigned i = 0; i < sz; ++i) {
r *= two;
if (bits[i]) r += one;
}
ast * a = mk_c(c)->mk_numeral_core(r, mk_c(c)->bvutil().mk_sort(sz));
RETURN_Z3(of_ast(a));
Z3_CATCH_RETURN(0);
}
};