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Diffstat (limited to 'intern/moto/include/NM_Scalar.h')
| -rw-r--r-- | intern/moto/include/NM_Scalar.h | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/intern/moto/include/NM_Scalar.h b/intern/moto/include/NM_Scalar.h deleted file mode 100644 index 0e33979c521..00000000000 --- a/intern/moto/include/NM_Scalar.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file moto/include/NM_Scalar.h - * \ingroup moto - */ - - -#include <math.h> -#include <iostream> - -template <class T> -class NM_Scalar { -public: - NM_Scalar() {} - explicit NM_Scalar(T value, T error = 0.0) : - m_value(value), m_error(error) {} - - T getValue() const { return m_value; } - T getError() const { return m_error; } - - operator T() const { return m_value; } - - NM_Scalar operator-() const { - return NM_Scalar<T>(-m_value, m_error); - } - - NM_Scalar& operator=(T value) { - m_value = value; - m_error = 0.0; - return *this; - } - - NM_Scalar& operator+=(const NM_Scalar& x) { - m_value += x.m_value; - m_error = (fabs(m_value) * (m_error + 1.0) + - fabs(x.m_value) * (x.m_error + 1.0)) / - fabs(m_value + x.m_value); - return *this; - } - - NM_Scalar& operator-=(const NM_Scalar& x) { - m_value -= x.m_value; - m_error = (fabs(m_value) * (m_error + 1.0) + - fabs(x.m_value) * (x.m_error + 1.0)) / - fabs(m_value - x.m_value); - return *this; - } - - NM_Scalar& operator*=(const NM_Scalar& x) { - m_value *= x.m_value; - m_error += x.m_error + 1.0; - return *this; - } - - NM_Scalar& operator/=(const NM_Scalar& x) { - m_value /= x.m_value; - m_error += x.m_error + 1.0; - return *this; - } - -private: - T m_value; - T m_error; -}; - -template <class T> -inline NM_Scalar<T> operator+(const NM_Scalar<T>& x, const NM_Scalar<T>& y) { - return x.getValue() == 0.0 && y.getValue() == 0.0 ? - NM_Scalar<T>(0.0, 0.0) : - NM_Scalar<T>(x.getValue() + y.getValue(), - (fabs(x.getValue()) * (x.getError() + 1.0) + - fabs(y.getValue()) * (y.getError() + 1.0)) / - fabs(x.getValue() + y.getValue())); -} - -template <class T> -inline NM_Scalar<T> operator-(const NM_Scalar<T>& x, const NM_Scalar<T>& y) { - return x.getValue() == 0.0 && y.getValue() == 0.0 ? - NM_Scalar<T>(0.0, 0.0) : - NM_Scalar<T>(x.getValue() - y.getValue(), - (fabs(x.getValue()) * (x.getError() + 1.0) + - fabs(y.getValue()) * (y.getError() + 1.0)) / - fabs(x.getValue() - y.getValue())); -} - -template <class T> -inline NM_Scalar<T> operator*(const NM_Scalar<T>& x, const NM_Scalar<T>& y) { - return NM_Scalar<T>(x.getValue() * y.getValue(), - x.getError() + y.getError() + 1.0); -} - -template <class T> -inline NM_Scalar<T> operator/(const NM_Scalar<T>& x, const NM_Scalar<T>& y) { - return NM_Scalar<T>(x.getValue() / y.getValue(), - x.getError() + y.getError() + 1.0); -} - -template <class T> -inline std::ostream& operator<<(std::ostream& os, const NM_Scalar<T>& x) { - return os << x.getValue() << '[' << x.getError() << ']'; -} - -template <class T> -inline NM_Scalar<T> sqrt(const NM_Scalar<T>& x) { - return NM_Scalar<T>(sqrt(x.getValue()), - 0.5 * x.getError() + 1.0); -} - -template <class T> -inline NM_Scalar<T> acos(const NM_Scalar<T>& x) { - return NM_Scalar<T>(acos(x.getValue()), x.getError() + 1.0); -} - -template <class T> -inline NM_Scalar<T> cos(const NM_Scalar<T>& x) { - return NM_Scalar<T>(cos(x.getValue()), x.getError() + 1.0); -} - -template <class T> -inline NM_Scalar<T> sin(const NM_Scalar<T>& x) { - return NM_Scalar<T>(sin(x.getValue()), x.getError() + 1.0); -} - -template <class T> -inline NM_Scalar<T> fabs(const NM_Scalar<T>& x) { - return NM_Scalar<T>(fabs(x.getValue()), x.getError()); -} - -template <class T> -inline NM_Scalar<T> pow(const NM_Scalar<T>& x, const NM_Scalar<T>& y) { - return NM_Scalar<T>(pow(x.getValue(), y.getValue()), - fabs(y.getValue()) * x.getError() + 1.0); -} - |