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#!/usr/bin/env python
from math import sqrt
from numpy.testing import *
from scipy.optimize import zeros as cc
# Import testing parameters
from scipy.optimize._tstutils import functions, fstrings
class TestBasic(TestCase) :
def run_check(self, method, name):
a = .5
b = sqrt(3)
for function, fname in zip(functions, fstrings):
zero, r = method(function, a, b, xtol=0.1e-12, full_output=True)
assert r.converged
assert_almost_equal(zero, 1.0, decimal=12,
err_msg='method %s, function %s' % (name, fname))
def test_bisect(self):
self.run_check(cc.bisect, 'bisect')
def test_ridder(self):
self.run_check(cc.ridder, 'ridder')
def test_brentq(self):
self.run_check(cc.brentq, 'brentq')
def test_brenth(self):
self.run_check(cc.brenth, 'brenth')
if __name__ == '__main__' :
run_module_suite()
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