public static RDouble expandXVector(DoubleImpl xarg, int xsize, int count) {
int nsize = xsize * count;
double[] x = xarg.getContent();
double[] res = new double[nsize];
int offset = 0;
for (int rep = 0; rep < count; rep++) {
System.arraycopy(x, 0, res, offset, xsize);
offset += xsize;
}
return RDouble.RDoubleFactory.getFor(res);
}
public static RDouble expandYVector(DoubleImpl yarg, int ysize, int count) {
int size = ysize;
int nsize = size * count;
double[] y = yarg.getContent();
double[] res = new double[nsize];
int offset = 0;
for (int elem = 0; elem < size; elem++) {
double v = y[elem];
Arrays.fill(res, offset, offset + count, v);
offset += count;
}
return RDouble.RDoubleFactory.getFor(res);
}