dolfin team mailing list archive

[Johan Hake <hake.dev@xxxxxxxxx>]

On 02/15/2013 12:11 PM, Anders Logg wrote:
> On Fri, Feb 15, 2013 at 12:04:35PM +0100, Johan Hake wrote:
>> Thinking just a little more about this I should be able to do what I
>> want by enabling the following syntax in the CompiledExpression interface:
>>  time = Constant("t", t=0.0)
>>  time_dep_expression = Expression("sin(t)", t=time)
>> Here we need to check that time is a scalar Constant, if so we generate
>> a public Constant attribute instead of a double. The double operator in
>> the Constant interface would make the code work nicely. With some luck will:
>>  time_dep_expression.time = 0.2
>> still work from Python dependent on how that call propagates down into
>> C++ ;).
>> The time object can then be used to declare forms aso. Finally it can be
>> passed to the Solver which then take responsibility for updating it.
>> Anyone viscously against implementing the above feature in the
>> CompileExpression interface?
> 
> No, my viscosity is very low at the moment.

Damn autocorrelation!

:D

Johan