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add at-least and pbge to API, fix for issue #864

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-01-09 21:23:00 -08:00
parent c69a86e647
commit 8d09b6e4a8
11 changed files with 182 additions and 48 deletions
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28
src/api/z3_api.h
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@ -855,6 +855,9 @@ typedef enum
- Z3_OP_PB_AT_MOST: Cardinality constraint.
E.g., x + y + z <= 2
- Z3_OP_PB_AT_LEAST: Cardinality constraint.
E.g., x + y + z >= 2
- Z3_OP_PB_LE: Generalized Pseudo-Boolean cardinality constraint.
Example 2*x + 3*y <= 4
@ -1174,6 +1177,7 @@ typedef enum {
// Pseudo Booleans
Z3_OP_PB_AT_MOST=0x900,
Z3_OP_PB_AT_LEAST,
Z3_OP_PB_LE,
Z3_OP_PB_GE,
Z3_OP_PB_EQ,
@ -3966,6 +3970,17 @@ extern "C" {
Z3_ast Z3_API Z3_mk_atmost(Z3_context c, unsigned num_args,
Z3_ast const args[], unsigned k);
/**
\brief Pseudo-Boolean relations.
Encode p1 + p2 + ... + pn >= k
def_API('Z3_mk_atleast', AST, (_in(CONTEXT), _in(UINT), _in_array(1,AST), _in(UINT)))
*/
Z3_ast Z3_mk_atleast(Z3_context c, unsigned num_args,
Z3_ast const args[], unsigned k);
/**
\brief Pseudo-Boolean relations.
@ -3978,6 +3993,19 @@ extern "C" {
Z3_ast const args[], int coeffs[],
int k);
/**
\brief Pseudo-Boolean relations.
Encode k1*p1 + k2*p2 + ... + kn*pn >= k
def_API('Z3_mk_pbge', AST, (_in(CONTEXT), _in(UINT), _in_array(1,AST), _in_array(1,INT), _in(INT)))
*/
Z3_ast Z3_mk_pbge(Z3_context c, unsigned num_args,
Z3_ast const args[], int coeffs[],
int k);
/**
\brief Pseudo-Boolean relations.