Detecting Floating-Point Expression Errors Based Improved PSO Algorithm

Algorithm 3

MaxError search based on CPSO.

Require: expression ,

1: Particles population_initialization()

2: gBest getGlobalBest(particles)

3: iter 0

4: whiledo

5:  for do

6:   vUpdate(particle)

7:   pUpdate(particle)

8:   updateLocalBest(particle)

9:   UpdateGlobalBest(particle)

10:   associatedParticles geneAssociatedParticles()

11:  end for

12:  for do

13:   ifthen

14:    gBest aParticle

15:   end if

16:  end for

17:  iter iter + 1

18: end while

19: MaxError gBest.error

20: x gBest.x

21: MaxError, x