def __init__(self, **kwds):
super(Py_ssize_t_Type, self).__init__(**kwds)
if have_ctypes:
if hasattr(ctypes, 'c_ssize_t'):
self.itemsize = ctypes.sizeof(ctypes.c_ssize_t)
else:
self.itemsize = size_t.itemsize
else:
self.itemsize = _plat_bits // 8
def __init__(self, **kwds):
super(NPyIntp, self).__init__(**kwds)
ctypes_array = np.empty(0).ctypes.strides
self.itemsize = ctypes.sizeof(ctypes_array._type_)
def getsize(ctypes_name, default):
try:
return ctypes.sizeof(getattr(ctypes, ctypes_name))
except ImportError:
return default
int_ = IntType(name="int", rank=4, typecode='i')
long_ = IntType(name="long", rank=5, typecode='l')
longlong = IntType(name="PY_LONG_LONG", rank=8, typecode='q')
uchar = CharType(name="unsigned char", signed=False, typecode='B')
ushort = IntType(name="unsigned short", rank=2.5,
typecode='H', signed=False)
uint = IntType(name="unsigned int", rank=4.5, typecode='I', signed=False)
ulong = IntType(name="unsigned long", rank=5.5, typecode='L', signed=False)
ulonglong = IntType(name="unsigned PY_LONG_LONG", rank=8.5,
typecode='Q', signed=False)
float_ = FloatType(name="float", rank=20, itemsize=4)
double = FloatType(name="double", rank=21, itemsize=8)
longdouble = FloatType(name="long double", rank=22,
itemsize=ctypes.sizeof(ctypes.c_longdouble))
bool_ = BoolType()
object_ = ObjectType()
int8 = IntType(name="int8", rank=1, itemsize=1)
int16 = IntType(name="int16", rank=2, itemsize=2)
int32 = IntType(name="int32", rank=4, itemsize=4)
int64 = IntType(name="int64", rank=8, itemsize=8)
uint8 = IntType(name="uint8", rank=1.5, signed=False, itemsize=1)
uint16 = IntType(name="uint16", rank=2.5, signed=False, itemsize=2)
uint32 = IntType(name="uint32", rank=4.5, signed=False, itemsize=4)
uint64 = IntType(name="uint64", rank=8.5, signed=False, itemsize=8)
float32 = FloatType(name="float32", rank=20, itemsize=4)