In [1]:

    

import sys
sys.path.insert(0,"/home/fux/configs/jupyter/lib/python3.6/site-packages")
import fortranmagic


    

In [3]:

    

%load_ext fortranmagic


    

    




/home/fux/configs/jupyter/lib/python3.6/site-packages/fortranmagic.py:147: UserWarning: get_ipython_cache_dir has moved to the IPython.paths module since IPython 4.0.
  self._lib_dir = os.path.join(get_ipython_cache_dir(), 'fortran')






    

In [10]:

    

%%fortran
subroutine sumfor(x,y)
real, dimension(:), intent(in) ::x
real, intent(out)::y
y = sum(x)
end subroutine


    

In [11]:

    

from numpy import *
sumfor(arange(1,10))


    

    
Out[11]:





45.0

In [18]:

    

%timeit sumfor(arange(1,10^6))


    

    




The slowest run took 21.87 times longer than the fastest. This could mean that an intermediate result is being cached.
1000000 loops, best of 3: 928 ns per loop

In [21]:

    

%timeit sum(arange(1,10^6))


    

    




The slowest run took 11.19 times longer than the fastest. This could mean that an intermediate result is being cached.
100000 loops, best of 3: 3.73 µs per loop

In [22]:

    

%%fortran --link lapack -vv


    

    




UsageError: %%fortran is a cell magic, but the cell body is empty.

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