# Check if we're in IPython.
try:
__IPYTHON__
qutip.settings.ipython = True
except:
qutip.settings.ipython = False
# -----------------------------------------------------------------------------
# Check for minimum requirements of dependencies, give the user a warning
# if the requirements aren't fulfilled
#
numpy_requirement = "1.8.0"
try:
import numpy
if _version2int(numpy.__version__) < _version2int(numpy_requirement):
print("QuTiP warning: old version of numpy detected " +
("(%s), requiring %s." % (numpy.__version__, numpy_requirement)))
except:
warnings.warn("numpy not found.")
scipy_requirement = "0.15.0"
try:
import scipy
if _version2int(scipy.__version__) < _version2int(scipy_requirement):
print("QuTiP warning: old version of scipy detected " +
("(%s), requiring %s." % (scipy.__version__, scipy_requirement)))
except:
warnings.warn("scipy not found.")
# -----------------------------------------------------------------------------
from qutip import (mat2vec, tensor, identity, operator_to_vector)
import qutip.settings as settings
from qutip.utilities import _version2int
from qutip.cy.spconvert import dense2D_to_fastcsr_fmode
import qutip.logging_utils
logger = qutip.logging_utils.get_logger()
logger.setLevel('DEBUG')
# Load MKL spsolve if avaiable
if settings.has_mkl:
from qutip._mkl.spsolve import (mkl_splu, mkl_spsolve)
# test if scipy is recent enought to get L & U factors from superLU
_scipy_check = _version2int(scipy.__version__) >= _version2int('0.14.0')
def _empty_info_dict():
def_info = {
'perm': [],
'solution_time': None,
'residual_norm': None,
'solver': None,
'method': None
}
return def_info
def _default_steadystate_args():
from qutip.graph import reverse_cuthill_mckee, weighted_bipartite_matching
from qutip import (mat2vec, tensor, identity, operator_to_vector)
import qutip.settings as settings
from qutip.utilities import _version2int
from qutip.cy.spconvert import dense2D_to_fastcsr_fmode
import qutip.logging_utils
logger = qutip.logging_utils.get_logger()
logger.setLevel('DEBUG')
# Load MKL spsolve if avaiable
if settings.has_mkl:
from qutip._mkl.spsolve import (mkl_splu, mkl_spsolve)
# test if scipy is recent enought to get L & U factors from superLU
_scipy_check = _version2int(scipy.__version__) >= _version2int('0.14.0')
def _empty_info_dict():
def_info = {'perm': [], 'solution_time': None,
'residual_norm': None,
'solver': None, 'method': None}
return def_info
def _default_steadystate_args():
def_args = {'sparse': True, 'use_rcm': False,
'use_wbm': False, 'weight': None, 'use_precond': False,
'all_states': False, 'M': None, 'x0': None, 'drop_tol': 1e-4,
'fill_factor': 100, 'diag_pivot_thresh': None, 'maxiter': 1000,
import sys
import platform
import qutip.settings
import qutip.version
from qutip.version import version as __version__
from qutip.utilities import _version2int
# -----------------------------------------------------------------------------
# Check for minimum requirements of dependencies, give the user a warning
# if the requirements aren't fulfilled
#
numpy_requirement = "1.6.0"
try:
import numpy
if _version2int(numpy.__version__) < _version2int(numpy_requirement):
print("QuTiP warning: old version of numpy detected " +
("(%s), requiring %s." %
(numpy.__version__, numpy_requirement)))
except:
print("QuTiP warning: numpy not found.")
scipy_requirement = "0.11.0"
try:
import scipy
if _version2int(scipy.__version__) < _version2int(scipy_requirement):
print("QuTiP warning: old version of scipy detected " +
("(%s), requiring %s." %
(scipy.__version__, scipy_requirement)))
except:
print("QuTiP warning: scipy not found.")
# The combination of scipy<1.5 and MKL causes wrong results when calling
# eigh for big matrices. See #1495, #1491 and #1498.
or (is_old_scipy and (_blas_info() == 'INTEL MKL')))
del platform, _blas_info, scipy, pac_version, is_old_scipy
# -----------------------------------------------------------------------------
# setup the cython environment
#
try:
import Cython as _Cython
except ImportError:
pass
else:
from qutip.utilities import _version2int
_cy_require = "0.29.20"
if _version2int(_Cython.__version__) < _version2int(_cy_require):
warnings.warn(
"Old version of Cython detected: needed {}, got {}.".format(
_cy_require, _Cython.__version__))
# Setup pyximport
import qutip.cy.pyxbuilder as _pyxbuilder
_pyxbuilder.install()
del _pyxbuilder, _Cython, _version2int
# -----------------------------------------------------------------------------
# cpu/process configuration
#
from qutip.utilities import available_cpu_count
# Check if environ flag for qutip processes is set
if 'QUTIP_NUM_PROCESSES' in os.environ: