Hi Meep users
I am trying to compute the integral of a user defined function in the
C++ interface of Meep. As far as I can see, I need to use the
"field::integrate" function, which has the following syntax (taken
from integrate.cpp source code file):
complex<double> fields::integrate(int num_fvals, const component *components,
field_function integrand,
void *integrand_data_,
const volume &where,
double *maxabs)
I am, however, in doubt about the "field_function" and also the
"*integrand_data_". The "field_function" apparently has the following
syntax (taken from the meep.hpp source code file):
typedef complex<double> (*field_function)(const complex<double> *fields,
const vec &loc,
void *integrand_data_);
Does the pointer "*fields" refer to all the components Ex, Ey, Ez, Hx,
... of the fields, so that if I wanted to compute Ex*Ex I would write
fields[0]*fields[0]?
Regarding the "*integrand_data_" I have not been able to figure out,
what it refers to?
If anyone has a code example using the "integrate" function or can
help me understand the syntax, I would very much appreciate it!
Best regards,
Mikkel Heuck
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