| 71 | } |
| 72 | |
| 73 | static double[] newX(final double[] oldX, final double[] delta, final double scale, final double boxBound) { |
| 74 | final int dim = oldX.length; |
| 75 | final double[] newX = new double[dim]; |
| 76 | for(int i=0;i<dim;++i) { |
| 77 | final double oxi = oldX[i]; |
| 78 | if((!Double.isInfinite(oxi))&&(!Double.isNaN(oxi))) { |
| 79 | final double di = scale*delta[i]; |
| 80 | final double nxi; |
| 81 | if(Double.isInfinite(di)||Double.isNaN(di)) { |
| 82 | nxi = oxi; |
| 83 | } else { |
| 84 | nxi = oxi + di; |
| 85 | } |
| 86 | newX[i] = Math.min(boxBound,Math.max(-boxBound,nxi)); |
| 87 | } |
| 88 | } |
| 89 | return newX; |
| 90 | } |
| 91 | } |