From 13cba7a7997e318fbba01a36912219355e387d52 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Sun, 21 May 2006 18:34:34 +0000 Subject: rewrote most stuff using templates svn path=/trunk/externals/tb/; revision=5105 --- chaos/src/ode_base.cpp | 51 -------------------------------------------------- 1 file changed, 51 deletions(-) (limited to 'chaos/src/ode_base.cpp') diff --git a/chaos/src/ode_base.cpp b/chaos/src/ode_base.cpp index 2830c2f..004a1b3 100644 --- a/chaos/src/ode_base.cpp +++ b/chaos/src/ode_base.cpp @@ -20,55 +20,4 @@ #include "ode_base.hpp" -void ode_base::rk1() -{ - m_system (m_k[0], m_data); - for (int i = 0; i != m_num_eq; ++i) - m_data[i] += m_dt * m_k[0][i]; -} - - -void ode_base::rk2() -{ - m_system (m_k[0], m_data); - for (int i = 0; i != m_num_eq; ++i) - m_k[0][i] = m_k[0][i] * 0.5 * m_dt + m_data[i]; - - m_system (m_k[1], m_k[0]); - for (int i = 0; i != m_num_eq; ++i) - m_data[i] += m_dt * m_k[1][i]; -} - - -void ode_base::rk4() -{ - m_system (m_k[0], m_data); - for (int i = 0; i != m_num_eq; ++i) - { - m_k[0][i] *= m_dt; - m_tmp[i] = m_data[i] + 0.5 * m_k[0][i]; - } - - m_system (m_k[1], m_tmp); - for (int i = 0; i != m_num_eq; ++i) - { - m_k[1][i] *= m_dt; - m_tmp[i] = m_data[i] + 0.5 * m_k[1][i]; - } - - m_system (m_k[2], m_tmp); - for (int i = 0; i != m_num_eq; ++i) - { - m_k[2][i] *= m_dt; - m_tmp[i] = m_data[i] + m_k[2][i]; - } - - m_system (m_k[3], m_tmp); - for (int i = 0; i != m_num_eq; ++i) - m_k[3][i] *= m_dt; - - for (int i = 0; i != m_num_eq; ++i) - m_data[i] += (m_k[0][i] + 2. * (m_k[1][i] + m_k[2][i]) + m_k[3][i]) - / 6.; -} -- cgit v1.2.1