def __sub__(self, other):
"""Overloads - operator."""
z = self.clone()
if isinstance(other, NiftiImageData):
try_calling(pyreg.cReg_NiftiImageData_maths_im(z.handle, self.handle, other.handle, 1))
else:
try_calling(pyreg.cReg_NiftiImageData_maths_num(z.handle, self.handle, float(other), 1))
check_status(z.handle)
return z
def __add__(self, other):
"""Overloads + operator."""
z = self.deep_copy()
if isinstance(other, NiftiImageData):
try_calling(
pyreg.cReg_NiftiImageData_maths_im(z.handle, self.handle,
other.handle, 0))
else:
try_calling(
pyreg.cReg_NiftiImageData_maths_num(z.handle, self.handle,
float(other), 0))
check_status(z.handle)
return z
