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Diffstat (limited to '')
-rw-r--r-- | src/EigenUnsupported/src/MatrixFunctions/StemFunction.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/src/EigenUnsupported/src/MatrixFunctions/StemFunction.h b/src/EigenUnsupported/src/MatrixFunctions/StemFunction.h deleted file mode 100644 index 7604df9..0000000 --- a/src/EigenUnsupported/src/MatrixFunctions/StemFunction.h +++ /dev/null @@ -1,117 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2010, 2013 Jitse Niesen <jitse@maths.leeds.ac.uk> -// -// This Source Code Form is subject to the terms of the Mozilla -// Public License v. 2.0. If a copy of the MPL was not distributed -// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. - -#ifndef EIGEN_STEM_FUNCTION -#define EIGEN_STEM_FUNCTION - -namespace Eigen { - -namespace internal { - -/** \brief The exponential function (and its derivatives). */ -template <typename Scalar> -Scalar stem_function_exp(Scalar x, int) -{ - using std::exp; - return exp(x); -} - -/** \brief Cosine (and its derivatives). */ -template <typename Scalar> -Scalar stem_function_cos(Scalar x, int n) -{ - using std::cos; - using std::sin; - Scalar res; - - switch (n % 4) { - case 0: - res = std::cos(x); - break; - case 1: - res = -std::sin(x); - break; - case 2: - res = -std::cos(x); - break; - case 3: - res = std::sin(x); - break; - } - return res; -} - -/** \brief Sine (and its derivatives). */ -template <typename Scalar> -Scalar stem_function_sin(Scalar x, int n) -{ - using std::cos; - using std::sin; - Scalar res; - - switch (n % 4) { - case 0: - res = std::sin(x); - break; - case 1: - res = std::cos(x); - break; - case 2: - res = -std::sin(x); - break; - case 3: - res = -std::cos(x); - break; - } - return res; -} - -/** \brief Hyperbolic cosine (and its derivatives). */ -template <typename Scalar> -Scalar stem_function_cosh(Scalar x, int n) -{ - using std::cosh; - using std::sinh; - Scalar res; - - switch (n % 2) { - case 0: - res = std::cosh(x); - break; - case 1: - res = std::sinh(x); - break; - } - return res; -} - -/** \brief Hyperbolic sine (and its derivatives). */ -template <typename Scalar> -Scalar stem_function_sinh(Scalar x, int n) -{ - using std::cosh; - using std::sinh; - Scalar res; - - switch (n % 2) { - case 0: - res = std::sinh(x); - break; - case 1: - res = std::cosh(x); - break; - } - return res; -} - -} // end namespace internal - -} // end namespace Eigen - -#endif // EIGEN_STEM_FUNCTION |