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expose mk_divides over API. Corresponds to a = b (mod m), #723

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-08 08:46:49 -07:00
parent f8469b65d1
commit f4b803de95
5 changed files with 24 additions and 9 deletions
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1
src/api/api_arith.cpp
View file

@ -88,6 +88,7 @@ extern "C" {
MK_ARITH_PRED(Z3_mk_gt, OP_GT);
MK_ARITH_PRED(Z3_mk_le, OP_LE);
MK_ARITH_PRED(Z3_mk_ge, OP_GE);
MK_ARITH_PRED(Z3_mk_divides, OP_IDIVIDES);
MK_UNARY(Z3_mk_int2real, mk_c(c)->get_arith_fid(), OP_TO_REAL, SKIP);
MK_UNARY(Z3_mk_real2int, mk_c(c)->get_arith_fid(), OP_TO_INT, SKIP);
MK_UNARY(Z3_mk_is_int, mk_c(c)->get_arith_fid(), OP_IS_INT, SKIP);

2
src/api/api_seq.cpp
View file

@ -150,7 +150,7 @@ extern "C" {
Z3_CATCH_RETURN("");
}
Z3_string Z3_API Z3_get_lstring(Z3_context c, Z3_ast s, unsigned* length) {
Z3_char_ptr Z3_API Z3_get_lstring(Z3_context c, Z3_ast s, unsigned* length) {
Z3_TRY;
LOG_Z3_get_lstring(c, s, length);
RESET_ERROR_CODE();

16
src/api/z3_api.h
View file

@ -80,6 +80,7 @@ typedef bool Z3_bool;
\brief Z3 string type. It is just an alias for \ccode{const char *}.
*/
typedef const char * Z3_string;
typedef char const* Z3_char_ptr;
typedef Z3_string * Z3_string_ptr;
/**
@ -2494,6 +2495,17 @@ extern "C" {
*/
Z3_ast Z3_API Z3_mk_ge(Z3_context c, Z3_ast t1, Z3_ast t2);
/**
\brief Create division predicate.
The nodes \c t1 and \c t2 must be of integer sort.
The predicate is true when \c t1 divides \c t2. For the predicate to be part of
linear integer arithmetic, the first argument \c t1 must be a non-zero integer.
def_API('Z3_mk_divides', AST, (_in(CONTEXT), _in(AST), _in(AST)))
*/
Z3_ast Z3_API Z3_mk_divides(Z3_context c, Z3_ast t1, Z3_ast t2);
/**
\brief Coerce an integer to a real.
@ -3454,9 +3466,9 @@ extern "C" {
\pre Z3_is_string(c, s)
def_API('Z3_get_lstring' ,STRING ,(_in(CONTEXT), _in(AST), _out(UINT)))
def_API('Z3_get_lstring' ,CHAR_PTR ,(_in(CONTEXT), _in(AST), _out(UINT)))
*/
Z3_string Z3_API Z3_get_lstring(Z3_context c, Z3_ast s, unsigned* length);
Z3_char_ptr Z3_API Z3_get_lstring(Z3_context c, Z3_ast s, unsigned* length);
/**
\brief Create an empty sequence of the sequence sort \c seq.