Coverage for local/lib/python2.7/site-packages/sage/libs/ntl/error.pyx : 40%

""" 

NTL error handler 

AUTHOR: 

- Jeroen Demeyer (2015-02-15): initial version, see :trac:`17784` 

- Jeroen Demeyer (2015-07-09): use standard NTL ``ErrorMsgCallback``, 

see :trac:`18875` 

""" 

#***************************************************************************** 

# Copyright (C) 2015 Jeroen Demeyer <jdemeyer@cage.ugent.be> 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 2 of the License, or 

# (at your option) any later version. 

# http://www.gnu.org/licenses/ 

#***************************************************************************** 

from .ntl_tools cimport ErrorMsgCallback 

from ...cpython.string cimport char_to_str 

class NTLError(RuntimeError): 

""" 

Exceptions from the NTL library. 

EXAMPLES:: 

sage: a = ntl.ZZX([0]) 

sage: a.quo_rem(a) 

Traceback (most recent call last): 

... 

NTLError: DivRem: division by zero 

""" 

cdef void NTL_error_callback(const char* s) except *: 

raise NTLError(char_to_str(s)) 

def setup_NTL_error_callback(): 

""" 

Setup the NTL error handler callback. 

EXAMPLES:: 

sage: from sage.libs.ntl.error import setup_NTL_error_callback 

sage: setup_NTL_error_callback() 

""" 

global ErrorMsgCallback 

ErrorMsgCallback = NTL_error_callback