225   Vector polynomial(1);  in TEST()  local
226   polynomial(0) = 1.0;  in TEST()
227   const Vector derivative = DifferentiatePolynomial(polynomial);  in TEST()
234   Vector polynomial(3);  in TEST()  local
235   polynomial(0) = 1.0;  in TEST()
236   polynomial(1) = 2.0;  in TEST()
237   polynomial(2) = 3.0;  in TEST()
239   const Vector derivative = DifferentiatePolynomial(polynomial);  in TEST()
247   Vector polynomial(1);  in TEST()  local
248   polynomial(0) = 1.0;  in TEST()
254   MinimizePolynomial(polynomial, min_x, max_x, &optimal_x, &optimal_value);  in TEST()
263   Vector polynomial(2);  in TEST()  local
265   polynomial(0) = 1.0;  in TEST()
266   polynomial(1) = 2.0;  in TEST()
272   MinimizePolynomial(polynomial, min_x, max_x, &optimal_x, &optimal_value);  in TEST()
283   Vector polynomial(3);  in TEST()  local
284   polynomial(0) = 1.0;  in TEST()
285   polynomial(1) = -3.0;  in TEST()
286   polynomial(2) = 2.0;  in TEST()
292   MinimizePolynomial(polynomial, min_x, max_x, &optimal_x, &optimal_value);  in TEST()
298   MinimizePolynomial(polynomial, min_x, max_x, &optimal_x, &optimal_value);  in TEST()
304   MinimizePolynomial(polynomial, min_x, max_x, &optimal_x, &optimal_value);  in TEST()
321   const Vector polynomial = FindInterpolatingPolynomial(samples);  in TEST()  local
322   EXPECT_NEAR((true_polynomial - polynomial).norm(), 0.0, 1e-15);  in TEST()
339   const Vector polynomial = FindInterpolatingPolynomial(samples);  in TEST()  local
340   EXPECT_NEAR((true_polynomial - polynomial).norm(), 0.0, 1e-15);  in TEST()
367   Vector polynomial = FindInterpolatingPolynomial(samples);  in TEST()  local
368   EXPECT_NEAR((true_polynomial - polynomial).norm(), 0.0, 1e-15);  in TEST()
397   const Vector polynomial = FindInterpolatingPolynomial(samples);  in TEST()  local
398   EXPECT_NEAR((true_polynomial - polynomial).norm(), 0.0, 1e-14);  in TEST()
440   const Vector polynomial = FindInterpolatingPolynomial(samples);  in TEST()  local
441   EXPECT_NEAR((true_polynomial - polynomial).norm(), 0.0, 1e-14);  in TEST()
477   const Vector polynomial = FindInterpolatingPolynomial(samples);  in TEST()  local
478   EXPECT_NEAR((true_polynomial - polynomial).norm(), 0.0, 1e-14);  in TEST()
508   const Vector polynomial = FindInterpolatingPolynomial(samples);  in TEST()  local
509   EXPECT_NEAR((true_polynomial - polynomial).norm(), 0.0, 1e-14);  in TEST()