Hi,
On 09/03/2010 11:36 AM, Sergey B Kirpichev wrote:
Also, I'm afraid that using your cfxd may not guarantee the use of a fixed
step size; also evolve_apply can change the step length, so you might have to
have a function something like "evolve_apply_fixed_step_size" to do the job.
Why? fc_control_hadjust() always returns GSL_ODEIV_HADJ_NIL - there
is no reason to change step size.
Please see function gsl_odeiv2_evolve_apply in evolve.c. If step_apply
returns with a failure, then a smaller step size is attempted.
evolve_apply tries hard to make a step forward, even if it has to use a
smaller step size than the user or previous step suggested.
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