Thanks Sameer. I confirmed on my side as well. I will try to understand the why part now. Much appreciated.
On Mon, Apr 16, 2012 at 11:58 PM, Sameer Grover <[email protected]>wrote: > On Tuesday 17 April 2012 11:02 AM, John Mitchell wrote: > > Hi, > > I am using f2py to pass a numpy array of type numpy.int8 to fortran. It > seems like I am misunderstanding something because I just can't make it > work. > > Here is what I am doing. > > PYTHON > b=numpy.array(numpy.zeros(shape=(10,),dtype=numpy.int8),order='F') > b[0]=1 > b[2]=1 > b[3]=1 > b > array([1, 0, 1, 1, 0, 0, 0, 0, 0, 0], dtype=int8) > > > > FORTRAN > subroutine print_bit_array(bits,n) > use iso_fortran_env > integer,intent(in)::n > integer(kind=int8),intent(in),dimension(n)::bits > print*,'bits = ',bits > end subroutine print_bit_array > > > RESULT when calling fortran from python > bits = 1 0 0 0 0 0 0 0 1 0 > > Any Ideas? > thanks, > John > > > > > _______________________________________________ > NumPy-Discussion mailing > [email protected]http://mail.scipy.org/mailman/listinfo/numpy-discussion > > It seems to work if "integer(kind=int8)" is replaced with "integer(8)" or > "integer(1)". Don't know why, though. > > Sameer > > _______________________________________________ > NumPy-Discussion mailing list > [email protected] > http://mail.scipy.org/mailman/listinfo/numpy-discussion > >
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