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#!/usr/bin/env python
"""
Tests for intent(in,out) derived type arguments in Fortran subroutine's.
-----
Permission to use, modify, and distribute this software is given under the
terms of the NumPy License. See http://scipy.org.
NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
Author: Pearu Peterson <pearu@cens.ioc.ee>
Created: Oct 2006
-----
"""
import os
import sys
from numpy.testing import *
def build(fortran_code, rebuild=True):
modulename = os.path.splitext(os.path.basename(__file__))[0]+'_ext'
try:
exec ('import %s as m' % (modulename))
if rebuild and os.stat(m.__file__)[8] < os.stat(__file__)[8]:
del sys.modules[m.__name__] # soft unload extension module
os.remove(m.__file__)
raise ImportError,'%s is newer than %s' % (__file__, m.__file__)
except ImportError,msg:
print msg, ', recompiling %s.' % (modulename)
import tempfile
fname = tempfile.mktemp() + '.f90'
f = open(fname,'w')
f.write(fortran_code)
f.close()
sys_argv = []
sys_argv.extend(['--build-dir','dsctmp'])
#sys_argv.extend(['-DF2PY_DEBUG_PYOBJ_TOFROM'])
from main import build_extension
sys_argv.extend(['-m',modulename, fname])
build_extension(sys_argv)
os.remove(fname)
os.system(' '.join([sys.executable] + sys.argv))
sys.exit(0)
return m
fortran_code = '''
subroutine foo(a)
type myt
integer flag
end type myt
type(myt) a
!f2py intent(in,out) a
a % flag = a % flag + 1
end
'''
# tester note: set rebuild=True when changing fortan_code and for SVN
m = build(fortran_code, rebuild=True)
from numpy import *
class test_m(NumpyTestCase):
def check_foo_simple(self, level=1):
a = m.myt(2)
assert_equal(a.flag,2)
assert isinstance(a,m.myt),`a`
r = m.foo(a)
assert isinstance(r,m.myt),`r`
assert_equal(r.flag,3)
assert_equal(a.flag,2)
if __name__ == "__main__":
NumpyTest().run()
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