/usr/share/pyshared/openopt/solvers/nlopt/ptn_oo.py is in python-openopt 0.34+svn1146-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | from NLOPT_AUX import NLOPT_AUX
from NLOPT_BASE import NLOPT_BASE
import nlopt
class ptn(NLOPT_BASE):
__name__ = 'ptn'
__alg__ = 'Preconditioned truncated Newton'
__authors__ = 'Prof. Ladislav Luksan'
__isIterPointAlwaysFeasible__ = True
__optionalDataThatCanBeHandled__ = ['lb', 'ub']
def __init__(self): pass
def __solver__(self, p):
NLOPT_AUX(p, nlopt.LD_TNEWTON_PRECOND_RESTART)
#NLOPT_AUX(p, nlopt.LD_TNEWTON)
#NLOPT_AUX(p, nlopt.LD_TNEWTON_PRECOND)
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