nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java
| 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
New commits:
commit df512e74753667194faa623b99884d3590597cfd
Author: Todor Balabanov <todor.balaba...@gmail.com>
AuthorDate: Mon Apr 29 13:27:17 2019 +0300
Commit: Noel Grandin <noel.gran...@collabora.co.uk>
CommitDate: Wed May 1 16:10:45 2019 +0200
Math pow is too slow in this case.
Change-Id: I16149cabf75ec928d96975e4b98622df6951cefc
Reviewed-on: https://gerrit.libreoffice.org/71519
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2...@yahoo.fr>
Reviewed-by: Noel Grandin <noel.gran...@collabora.co.uk>
diff --git
a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java
b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java
index b6387bfb8a96..e5677818c0ef 100644
---
a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java
+++
b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java
@@ -57,7 +57,7 @@ public class DEGTBehavior extends AbsGTBehavior implements
ILibEngine {
if (Math.random()<CR || k == DIMENSION-1) {
double Dabcd = 0;
for(int i=0; i<referPoints.length; i++) {
- Dabcd += Math.pow(-1, i%2)*referPoints[i].getLocation()[rj];
+ Dabcd += (i%2==0 ? +1D : -1D)*referPoints[i].getLocation()[rj];
}
trailPoint.getLocation()[rj] = gbest_t.getLocation()[rj]+FACTOR*Dabcd;
} else {
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