qbahn /
grortir
| Total Complexity | 12 |
| Total Lines | 34 |
| Duplicated Lines | 0 % |
| Coverage | 100% |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
| 1 | """Represents swarm.""" |
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| 7 | 1 | class Swarm(object): |
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| 8 | """Class which represent swarm.""" |
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| 9 | 1 | def __init__(self, process, stages, number_of_particles): |
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| 10 | 1 | self.stages = stages |
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| 11 | 1 | self.process = process |
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| 12 | 1 | self.number_of_particles = number_of_particles |
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| 13 | 1 | self.particles = [Particle(stages, self.process) for i in |
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| 14 | range(number_of_particles)] |
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| 15 | 1 | self.best_particle_quality = np.inf |
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| 16 | 1 | self.best_particle = self.particles[0] |
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| 17 | |||
| 18 | 1 | def initialize(self): |
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| 19 | """Initialize all particles in swarm.""" |
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| 20 | 1 | for particle in self.particles: |
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| 21 | 1 | particle.initialize() |
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| 22 | |||
| 23 | 1 | def do_single_iteration(self): |
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| 24 | """Iterate one time.""" |
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| 25 | 1 | for particle in self.particles: |
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| 26 | 1 | particle.update_values() |
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| 27 | 1 | self._update_best_particle() |
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| 28 | 1 | self._update_velocieties() |
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| 29 | 1 | for particle in self.particles: |
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| 30 | 1 | particle.move() |
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| 31 | |||
| 32 | 1 | def _update_best_particle(self): |
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| 33 | 1 | for particle in self.particles: |
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| 34 | 1 | if particle.best_quality < self.best_particle_quality: |
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| 35 | 1 | self.best_particle = particle |
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| 36 | 1 | self.best_particle_quality = particle.best_quality |
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| 37 | |||
| 38 | 1 | def _update_velocieties(self): |
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| 39 | 1 | for particle in self.particles: |
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| 40 | particle.update_velocieties(self.best_particle) |
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| 41 |
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