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z3/lib/float_rewriter.h
Leonardo de Moura e9eab22e5c Z3 sources
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-02 11:35:25 -07:00

73 lines
2.5 KiB
C++

/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
float_rewriter.h
Abstract:
Basic rewriting rules for floating point numbers.
Author:
Leonardo (leonardo) 2012-02-02
Notes:
--*/
#ifndef _FLOAT_REWRITER_H_
#define _FLOAT_REWRITER_H_
#include"ast.h"
#include"rewriter.h"
#include"params.h"
#include"float_decl_plugin.h"
#include"mpf.h"
class float_rewriter {
float_util m_util;
mpf_manager m_fm;
app * mk_eq_nan(expr * arg);
app * mk_neq_nan(expr * arg);
public:
float_rewriter(ast_manager & m, params_ref const & p = params_ref());
~float_rewriter();
ast_manager & m() const { return m_util.m(); }
family_id get_fid() const { return m_util.get_fid(); }
void updt_params(params_ref const & p);
static void get_param_descrs(param_descrs & r);
br_status mk_app_core(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result);
br_status mk_eq_core(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_to_float(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result);
br_status mk_add(expr * arg1, expr * arg2, expr * arg3, expr_ref & result);
br_status mk_sub(expr * arg1, expr * arg2, expr * arg3, expr_ref & result);
br_status mk_mul(expr * arg1, expr * arg2, expr * arg3, expr_ref & result);
br_status mk_div(expr * arg1, expr * arg2, expr * arg3, expr_ref & result);
br_status mk_uminus(expr * arg1, expr_ref & result);
br_status mk_rem(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_abs(expr * arg1, expr_ref & result);
br_status mk_min(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_max(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_fused_ma(expr * arg1, expr * arg2, expr * arg3, expr * arg4, expr_ref & result);
br_status mk_sqrt(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_round(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_float_eq(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_lt(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_gt(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_le(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_ge(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_is_zero(expr * arg1, expr_ref & result);
br_status mk_is_nzero(expr * arg1, expr_ref & result);
br_status mk_is_pzero(expr * arg1, expr_ref & result);
br_status mk_is_sign_minus(expr * arg1, expr_ref & result);
};
#endif