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add PB operators to C-based API

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-11-13 17:09:10 -08:00
parent 133ba2d02a
commit d1937b2032
8 changed files with 77 additions and 3 deletions
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33
src/api/z3_api.h
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@ -874,6 +874,12 @@ typedef enum
- Z3_OP_DT_ACCESSOR: datatype accessor.
- Z3_OP_PB_AT_MOST: Cardinality constraint.
E.g., x + y + z <= 2
- Z3_OP_PB_LE: Generalized Pseudo-Boolean cardinality constraint.
Example 2*x + 3*y <= 4
- Z3_OP_UNINTERPRETED: kind used for uninterpreted symbols.
*/
typedef enum {
@ -1054,6 +1060,10 @@ typedef enum {
Z3_OP_DT_RECOGNISER,
Z3_OP_DT_ACCESSOR,
// Pseudo Booleans
Z3_OP_PB_AT_MOST=0x900,
Z3_OP_PB_LE,
Z3_OP_UNINTERPRETED
} Z3_decl_kind;
@ -3758,6 +3768,29 @@ END_MLAPI_EXCLUDE
Z3_sort Z3_API Z3_get_relation_column(__in Z3_context c, __in Z3_sort s, unsigned col);
/**
\brief Pseudo-Boolean relations.
Encode p1 + p2 + ... + pn <= k
def_API('Z3_mk_atmost', AST, (_in(CONTEXT), _in(UINT), _in_array(1,AST), _in(UINT)))
*/
Z3_ast Z3_API Z3_mk_atmost(__in Z3_context c, __in unsigned num_args,
__in_ecount(num_args) Z3_ast const args[], __in unsigned k);
/**
\brief Pseudo-Boolean relations.
Encode k1*p1 + k2*p2 + ... + kn*pn <= k
def_API('Z3_mk_pble', AST, (_in(CONTEXT), _in(UINT), _in_array(1,AST), _in_array(1,INT), _in(INT)))
*/
Z3_ast Z3_API Z3_mk_pble(__in Z3_context c, __in unsigned num_args,
__in_ecount(num_args) Z3_ast const args[], __in_ecount(num_args) int coeffs[],
__in int k);
/**
\mlonly {3 {L Function Declarations}} \endmlonly
*/