| 27 | |
| 28 | |
| 29 | private double[] newX(final double[] oldX, final double[] delta, final double scale) { |
| 30 | final int dim = oldX.length; |
| 31 | final double[] newX = new double[dim]; |
| 32 | for(int i=0;i<dim;++i) { |
| 33 | final double oxi = oldX[i]; |
| 34 | if((!Double.isInfinite(oxi))&&(!Double.isNaN(oxi))) { |
| 35 | final double di = scale*delta[i]; |
| 36 | final double nxi; |
| 37 | if(Double.isInfinite(di)||Double.isNaN(di)) { |
| 38 | nxi = oxi; |
| 39 | } else { |
| 40 | nxi = oxi + di; |
| 41 | } |
| 42 | newX[i] = Math.min(boxBound,Math.max(-boxBound,nxi)); |
| 43 | } |
| 44 | } |
| 45 | return newX; |
| 46 | } |
| 47 | |
| 48 | |
| 49 | |