38         double[] xval = new double[] {3, 4, 5, 6.5, 7.5};  in testPreconditions()  local
40         double[][] zval = new double[xval.length][yval.length];  in testPreconditions()
45         BivariateFunction p = interpolator.interpolate(xval, yval, zval);  in testPreconditions()
57             p = interpolator.interpolate(xval, wyval, zval);  in testPreconditions()
63         double[][] wzval = new double[xval.length][yval.length + 1];  in testPreconditions()
65             p = interpolator.interpolate(xval, yval, wzval);  in testPreconditions()
70         wzval = new double[xval.length - 1][yval.length];  in testPreconditions()
72             p = interpolator.interpolate(xval, yval, wzval);  in testPreconditions()
77         wzval = new double[xval.length][yval.length - 1];  in testPreconditions()
79             p = interpolator.interpolate(xval, yval, wzval);  in testPreconditions()
102         double[] xval = new double[] {3, 4, 5, 6.5, 7.5};  in testPlane()  local
104         double[][] zval = new double[xval.length][yval.length];  in testPlane()
105         for (int i = 0; i < xval.length; i++) {  in testPlane()
107                 zval[i][j] = f.value(xval[i], yval[j]);  in testPlane()
111         BivariateFunction p = interpolator.interpolate(xval, yval, zval);  in testPlane()
150         double[] xval = new double[] {3, 4, 5, 6.5, 7.5, 8};  in testParaboloid()  local
152         double[][] zval = new double[xval.length][yval.length];  in testParaboloid()
153         for (int i = 0; i < xval.length; i++) {  in testParaboloid()
155                 zval[i][j] = f.value(xval[i], yval[j]);  in testParaboloid()
159         BivariateFunction p = interpolator.interpolate(xval, yval, zval);  in testParaboloid()