csolverlb.getElementValue.argtypes = [c_void_p, c_void_p]
csolverlb.getElementValue.restype = c_long
csolverlb.getBooleanValue.argtypes = [c_void_p, c_void_p]
csolverlb.getElementValue.argtypes = [c_void_p, c_void_p]
csolverlb.getElementValue.restype = c_long
csolverlb.getBooleanValue.argtypes = [c_void_p, c_void_p]