python - Strange accuracy difference between ipython and ipython notebook then using fortran module with f2py -


i'm encountering strange accuracy difference between ipython , ipython notebook when using fortran module compiled f2py.

my fortran module is:

subroutine tt(string,fmt,n_num,out)   implicit none   integer,intent(in)::n_num   character(len=*),intent(in)::string   character(len=*),intent(in)::fmt   double precision,intent(out)::out(n_num)   read(string,fmt) out end subroutine tt

compiling with: f2py -c -m andre tt.f90

in ipython get:

in [1]: import numpy np in [2]: import andre in [3]: out = np.array(andre.tt(' 0.34 4.56 5.67','(3f5.2)',3),dtype=np.float) in [4]: print out     [ 0.34  4.56  5.67]

which desired output. however, in ipython notebook, using same code, get:

print out print out+0.0001 [ 0.  4.  5.] [  1.00000000e-04   4.00010000e+00   5.00010000e+00]

what doing wrong?


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