diff options
author | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-03 21:09:10 +0100 |
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committer | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-03 21:10:13 +0100 |
commit | f0238cfb6997c4acfc2bd200de7295f3fa36968f (patch) | |
tree | b215183760e4f615b9c1dabc1f116383b72a1b55 /eigen/unsupported/test/NumericalDiff.cpp | |
parent | 543edd372a5193d04b3de9f23c176ab439e51b31 (diff) |
don't index Eigen
Diffstat (limited to 'eigen/unsupported/test/NumericalDiff.cpp')
-rw-r--r-- | eigen/unsupported/test/NumericalDiff.cpp | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/eigen/unsupported/test/NumericalDiff.cpp b/eigen/unsupported/test/NumericalDiff.cpp deleted file mode 100644 index 27d8880..0000000 --- a/eigen/unsupported/test/NumericalDiff.cpp +++ /dev/null @@ -1,114 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2009 Thomas Capricelli <orzel@freehackers.org> - -#include <stdio.h> - -#include "main.h" -#include <unsupported/Eigen/NumericalDiff> - -// Generic functor -template<typename _Scalar, int NX=Dynamic, int NY=Dynamic> -struct Functor -{ - typedef _Scalar Scalar; - enum { - InputsAtCompileTime = NX, - ValuesAtCompileTime = NY - }; - typedef Matrix<Scalar,InputsAtCompileTime,1> InputType; - typedef Matrix<Scalar,ValuesAtCompileTime,1> ValueType; - typedef Matrix<Scalar,ValuesAtCompileTime,InputsAtCompileTime> JacobianType; - - int m_inputs, m_values; - - Functor() : m_inputs(InputsAtCompileTime), m_values(ValuesAtCompileTime) {} - Functor(int inputs, int values) : m_inputs(inputs), m_values(values) {} - - int inputs() const { return m_inputs; } - int values() const { return m_values; } - -}; - -struct my_functor : Functor<double> -{ - my_functor(void): Functor<double>(3,15) {} - int operator()(const VectorXd &x, VectorXd &fvec) const - { - double tmp1, tmp2, tmp3; - double y[15] = {1.4e-1, 1.8e-1, 2.2e-1, 2.5e-1, 2.9e-1, 3.2e-1, 3.5e-1, - 3.9e-1, 3.7e-1, 5.8e-1, 7.3e-1, 9.6e-1, 1.34, 2.1, 4.39}; - - for (int i = 0; i < values(); i++) - { - tmp1 = i+1; - tmp2 = 16 - i - 1; - tmp3 = (i>=8)? tmp2 : tmp1; - fvec[i] = y[i] - (x[0] + tmp1/(x[1]*tmp2 + x[2]*tmp3)); - } - return 0; - } - - int actual_df(const VectorXd &x, MatrixXd &fjac) const - { - double tmp1, tmp2, tmp3, tmp4; - for (int i = 0; i < values(); i++) - { - tmp1 = i+1; - tmp2 = 16 - i - 1; - tmp3 = (i>=8)? tmp2 : tmp1; - tmp4 = (x[1]*tmp2 + x[2]*tmp3); tmp4 = tmp4*tmp4; - fjac(i,0) = -1; - fjac(i,1) = tmp1*tmp2/tmp4; - fjac(i,2) = tmp1*tmp3/tmp4; - } - return 0; - } -}; - -void test_forward() -{ - VectorXd x(3); - MatrixXd jac(15,3); - MatrixXd actual_jac(15,3); - my_functor functor; - - x << 0.082, 1.13, 2.35; - - // real one - functor.actual_df(x, actual_jac); -// std::cout << actual_jac << std::endl << std::endl; - - // using NumericalDiff - NumericalDiff<my_functor> numDiff(functor); - numDiff.df(x, jac); -// std::cout << jac << std::endl; - - VERIFY_IS_APPROX(jac, actual_jac); -} - -void test_central() -{ - VectorXd x(3); - MatrixXd jac(15,3); - MatrixXd actual_jac(15,3); - my_functor functor; - - x << 0.082, 1.13, 2.35; - - // real one - functor.actual_df(x, actual_jac); - - // using NumericalDiff - NumericalDiff<my_functor,Central> numDiff(functor); - numDiff.df(x, jac); - - VERIFY_IS_APPROX(jac, actual_jac); -} - -void test_NumericalDiff() -{ - CALL_SUBTEST(test_forward()); - CALL_SUBTEST(test_central()); -} |