Method eval

src/com/winvector/opt/impl/SumFn.java:27–35

(final double[] x, final boolean wantGrad, final boolean wantHessian)

	}

	@Override
	public VEval eval(final double[] x, final boolean wantGrad, final boolean wantHessian) {
		final VEval r = new VEval(x,wantGrad,wantHessian);
		for(final VectorFn fi: underlying) {
			final VEval vi = fi.eval(x,wantGrad,wantHessian);
			r.add(vi);
		}
		return r;
	}

}