Re: recursion and fsolve

[John W. Eaton]

On  4-Aug-2004, David Bateman <address@hidden> wrote:

| F90 allows recursion. Perhaps we should try to use g95 as the basic
| fortran compiler. We could then add a test to configure.in for 
| whether the fortran compiler accepts recursion and and enable somthing
| like the code I suggested...

You would also have to look at the Minpack code that is the core of
fsolve (hybrd1 and hybrj1) and determine whether it is actually
written in a way that would allow a recursive call to work.

There are other cases as well, such as daspk, lsode, etc., which I
suspect are NOT written with recursion in mind.

The lapack and blas code does not matter, as it does not call
user-defined functions which might in turn call back to lapack or blas
functions.

jwe



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