# -*- coding: utf-8 -*-
""" wrapper functions for CMem """
import ctypes
from ctypes.util import find_library
import pathlib
import numpy as np
from qlazy.util import get_lib_ext
from qlazy.CMem import CMem
lib = ctypes.CDLL(
str(pathlib.Path(__file__).with_name('libqlz.' + get_lib_ext())))
libc = ctypes.CDLL(find_library("c"), mode=ctypes.RTLD_GLOBAL)
def cmem_init(cmem_num):
""" initialize classical memory """
if cmem_num < 1:
raise ValueError("cmem size must be positive integer.")
cmem = None
c_cmem = ctypes.c_void_p(cmem)
lib.cmem_init.restype = ctypes.c_bool
lib.cmem_init.argtypes = [ctypes.c_int, ctypes.POINTER(ctypes.c_void_p)]
ret = lib.cmem_init(ctypes.c_int(cmem_num), c_cmem)
if ret is False:
raise ValueError("can't initialize cmem.")
""" wrapper functions for QState """
import ctypes
from ctypes.util import find_library
import pathlib
from collections import Counter
import numpy as np
import qlazy.config as cfg
from qlazy.util import get_lib_ext, qstate_check_args
from qlazy.QState import QState
from qlazy.MData import MData
from qlazy.Observable import Observable
from qlazy.QCirc import QCirc
from qlazy.CMem import CMem
lib = ctypes.CDLL(str(pathlib.Path(__file__).with_name('libqlz.'+get_lib_ext())))
libc = ctypes.CDLL(find_library("c"), mode=ctypes.RTLD_GLOBAL)
def qstate_init(qubit_num=None, seed=None, use_gpu=False):
""" initialize QState object """
libc.srand(ctypes.c_int(seed))
qstate = None
c_qstate = ctypes.c_void_p(qstate)
lib.qstate_init.restype = ctypes.c_bool
lib.qstate_init.argtypes = [ctypes.c_int, ctypes.POINTER(ctypes.c_void_p), ctypes.c_bool]
ret = lib.qstate_init(ctypes.c_int(qubit_num), c_qstate, ctypes.c_bool(use_gpu))
if ret is False: