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  /external/ceres-solver/internal/ceres/
polynomial_test.cc 227 const Vector derivative = DifferentiatePolynomial(polynomial); local
228 EXPECT_EQ(derivative.rows(), 1);
229 EXPECT_EQ(derivative(0), 0);
239 const Vector derivative = DifferentiatePolynomial(polynomial); local
240 EXPECT_EQ(derivative.rows(), 2);
241 EXPECT_EQ(derivative(0), 2.0);
242 EXPECT_EQ(derivative(1), 2.0);
polynomial.cc 189 // Degree zero polynomials are constants, and their derivative does
196 Vector derivative(degree);
198 derivative(i) = (degree - i) * polynomial(i);
201 return derivative;
234 const Vector derivative = DifferentiatePolynomial(polynomial); local
236 if (!FindPolynomialRoots(derivative, &roots_real, NULL)) {

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