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old_params ==> front_end_params. Isolated abstract solver interface

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-11-01 11:28:14 -07:00
parent 62cc752fb6
commit 4c98b567e1
60 changed files with 491 additions and 295 deletions
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67
src/api/python/z3poly.py
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@ -1,67 +0,0 @@
############################################
# Copyright (c) 2012 Microsoft Corporation
#
# Z3 Polynomial interface
#
# Author: Leonardo de Moura (leonardo)
############################################
from z3 import *
class PolynomialManager:
"""Polynomial Manager.
"""
def __init__(self, ctx=None):
self.ctx = z3._get_ctx(ctx)
self.manager = Z3_mk_polynomial_manager(self.ctx_ref())
def __del__(self):
Z3_del_polynomial_manager(self.ctx_ref(), self.manager)
def ctx_ref(self):
return self.ctx.ref()
def m(self):
return self.manager
_main_pmanager = None
def main_pmanager():
"""Return a reference to the global Polynomial manager.
"""
global _main_pmanager
if _main_pmanager == None:
_main_pmanager = PolynomialManager()
return _main_pmanager
def _get_pmanager(ctx):
if ctx == None:
return main_pmanager()
else:
return ctx
class Polynomial:
"""Multivariate polynomials.
"""
def __init__(self, poly=None, m=None):
self.pmanager = _get_pmanager(m)
if poly == None:
self.poly = Z3_mk_zero_polynomial(self.ctx_ref(), self.m())
else:
self.poly = poly
Z3_polynomial_inc_ref(self.ctx_ref(), self.m(), self.poly)
def __del__(self):
Z3_polynomial_dec_ref(self.ctx_ref(), self.m(), self.poly)
def m(self):
return self.pmanager.m()
def ctx_ref(self):
return self.pmanager.ctx_ref()
def __repr__(self):
return Z3_polynomial_to_string(self.ctx_ref(), self.m(), self.poly)
# test
p = Polynomial()
print p