/* ode-initval/control.c * * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman * * 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. */ /* Author: G. Jungman */ #include #include #include #include #include gsl_odeiv_control * gsl_odeiv_control_alloc(const gsl_odeiv_control_type * T) { gsl_odeiv_control * c = (gsl_odeiv_control *) malloc(sizeof(gsl_odeiv_control)); if(c == 0) { GSL_ERROR_NULL ("failed to allocate space for control struct", GSL_ENOMEM); }; c->type = T; c->state = c->type->alloc(); if (c->state == 0) { free (c); /* exception in constructor, avoid memory leak */ GSL_ERROR_NULL ("failed to allocate space for control state", GSL_ENOMEM); }; return c; } int gsl_odeiv_control_init(gsl_odeiv_control * c, double eps_abs, double eps_rel, double a_y, double a_dydt) { return c->type->init (c->state, eps_abs, eps_rel, a_y, a_dydt); } void gsl_odeiv_control_free(gsl_odeiv_control * c) { c->type->free(c->state); free(c); } const char * gsl_odeiv_control_name(const gsl_odeiv_control * c) { return c->type->name; } int gsl_odeiv_control_hadjust (gsl_odeiv_control * c, gsl_odeiv_step * s, const double y0[], const double yerr[], const double dydt[], double * h) { return c->type->hadjust(c->state, s->dimension, s->type->order(s->state), y0, yerr, dydt, h); }
