ConstrainNumParticles

class ConstrainNumParticles : public feasst::Constraint

Constrain the number of the number of particles.

Public Functions

ConstrainNumParticles(argtype args = argtype())

args:

• maximum: maximum number of particles. If -1, no limit (default: -1).

• minimum: minimum number of particles (default: 0).

• type: particle type. If -1, all types (default: -1).

int type() const

Return the particle type.

int num_particles(const System &system, const Acceptance &acceptance) const

Return the number of particles, taking into account the potential to shift (e.g., add or delete) from a trial move.