Add base Integrator class, and simple compilation test.

1 files changed, 56 insertions, 0 deletions

diff --git a/src/vZ/simple.hpp b/src/vZ/simple.hpp
new file mode 100644
index 0000000..65b7560
--- /dev/null
+++ b/src/vZ/simple.hpp
@@ -0,0 +1,56 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@gmail.com>          *
+ *                                                                       *
+ * This file is part of The vZ Library.                                  *
+ *                                                                       *
+ * The vZ Library is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU Lesser General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The vZ Library 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     *
+ * Lesser General Public License for more details.                       *
+ *                                                                       *
+ * You should have received a copy of the GNU Lesser General Public      *
+ * License along with this program.  If not, see                         *
+ * <http://www.gnu.org/licenses/>.                                       *
+ *************************************************************************/
+
+#ifndef VZ_SIMPLE_HPP
+#define VZ_SIMPLE_HPP
+
+#include <vector>
+
+namespace vZ
+{
+  // Base class for non-adaptive RK-style algorithms
+  template <typename Real>
+  class GenericSimpleIntegrator : public GenericIntegrator<Real>
+  {
+  public:
+    typedef typename GenericIntegrator<Real>::Function Function;
+
+    // Coefficients in the tableau representation of the RK algorithm
+    typedef std::vector<std::vector<Real> > ACoefficients;
+    typedef std::vector<Real>               BCoefficients;
+
+    GenericSimpleIntegrator(Function f, Real dt,
+                            ACoefficients a, BCoefficients b)
+      : GenericIntegrator<Real>(f, dt), m_a(a), m_b(b) { }
+    virtual ~GenericSimpleIntegrator() { }
+
+  protected:
+    virtual void step(Real& t, Real& dt);
+
+  private:
+    ACoefficients m_a;
+    BCoefficients m_b;
+  };
+
+  // Type alias
+  typedef GenericSimpleIntegrator<double> SimpleIntegrator;
+}
+
+#endif // VZ_SIMPLE_HPP