[SciPy-User] Some problem with defining parameters in f2py

[Pauli Virtanen]

Thu, 28 Jul 2011 00:17:24 +0400, timofey chernishev wrote:
> Hi. I use gfortran 4.4.3, f2py Version:     2, numpy Version: 1.3.0.
> 
> when i try:
>  	subroutine poiss1d(phi0,pts,n_q,phi1)
> 	real,parameter::pi=3.14159265358979323846264338327950288,h=0.01,e=4.8E-10
> 	real,parameter::Cq=2.0*pi*h**2 *e,Ca=0.5,Cd=0.5
> ...
> 	end subroutine poiss1d
> 
> and have an error: "Error: Parameter 'pi' at (1) has not been declared
> or is a variable, which does not reduce to a constant expression"

Fortran 77 ignores characters beyond the 72th column (they do not fit
on punch cards).

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