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[Bug-gsl] ode solve: adaptive step size control

From: Philip Du Toit
Subject: [Bug-gsl] ode solve: adaptive step size control
Date: Mon, 8 Oct 2007 22:38:19 -0700

Dear GSL,

I use gsl_odeiv_control to implement adaptive step size control.
I understand that this function reduces the step size by a scaling factor to ensure that an error tolerance is met.

Is there any checking to be sure that underflow after many rescalings does not cause the stepsize to become zero?

Is there anyway to ensure that the adaptive control never reduces the stepsize below a prescribed lower bound regardless of the error?

Thank you.

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