def get_inner_product(self, other):
"""Get inner product between two images. Must be same size."""
if not isinstance(other, NiftiImageData):
raise AssertionError()
handle = pyreg.cReg_NiftiImageData_get_inner_product(self.handle, other.handle)
check_status(handle)
inner_product = pyiutil.floatDataFromHandle(handle)
pyiutil.deleteDataHandle(handle)
return inner_product
def norm(self):
'''
Returns the 2-norm of the container data viewed as a vector.
'''
assert self.handle is not None
handle = pysirf.cSIRF_norm(self.handle)
check_status(handle)
r = pyiutil.floatDataFromHandle(handle)
pyiutil.deleteDataHandle(handle)
return r;
def dot(self, other):
'''
Returns the dot product of the container data with another container
data viewed as vectors.
other: DataContainer
'''
assert_validities(self, other)
handle = pysirf.cSIRF_dot(self.handle, other.handle)
check_status(handle)
r = pyiutil.floatDataFromHandle(handle)
pyiutil.deleteDataHandle(handle)
return r
def _float_par_sirf(handle, set_, par):
h = pysirfreg.cSIRFReg_parameter(handle, set_, par)
check_status(h, inspect.stack()[1])
value = pyiutil.floatDataFromHandle(h)
pyiutil.deleteDataHandle(h)
return value
