From dfdad129a3c6d5437eb001f5fe6d37de3fc07238 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Fri, 28 Dec 2007 16:00:55 +0000
Subject: move Core/ to a src/ subdir, in preparation for following changes

---
 Eigen/src/Core/Random.h | 78 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 Eigen/src/Core/Random.h

(limited to 'Eigen/src/Core/Random.h')

diff --git a/Eigen/src/Core/Random.h b/Eigen/src/Core/Random.h
new file mode 100644
index 000000000..a8c00c858
--- /dev/null
+++ b/Eigen/src/Core/Random.h
@@ -0,0 +1,78 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra. Eigen itself is part of the KDE project.
+//
+// Copyright (C) 2006-2007 Benoit Jacob <jacob@math.jussieu.fr>
+//
+// Eigen 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 or (at your option) any later version.
+//
+// Eigen 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 Eigen; if not, write to the Free Software Foundation, Inc., 51
+// Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. This exception does not invalidate any other reasons why a work
+// based on this file might be covered by the GNU General Public License.
+
+#ifndef EIGEN_RANDOM_H
+#define EIGEN_RANDOM_H
+
+template<typename MatrixType> class Random : NoOperatorEquals,
+  public MatrixBase<typename MatrixType::Scalar, Random<MatrixType> >
+{
+  public:
+    typedef typename MatrixType::Scalar Scalar;
+    friend class MatrixBase<Scalar, Random<MatrixType> >;
+    
+    Random(int rows, int cols) : m_rows(rows), m_cols(cols)
+    {
+      assert(rows > 0 && cols > 0);
+    }
+   
+  private:
+    static const int _RowsAtCompileTime = MatrixType::RowsAtCompileTime,
+                     _ColsAtCompileTime = MatrixType::ColsAtCompileTime;
+
+    const Random& _ref() const { return *this; }
+    int _rows() const { return m_rows; }
+    int _cols() const { return m_cols; }
+    
+    Scalar _coeff(int, int) const
+    {
+      return random<Scalar>();
+    }
+    
+  protected:
+    int m_rows, m_cols;
+};
+
+template<typename Scalar, typename Derived>
+const Eval<Random<Derived> > MatrixBase<Scalar, Derived>::random(int rows, int cols)
+{
+  return Random<Derived>(rows, cols).eval();
+}
+
+template<typename Scalar, typename Derived>
+const Eval<Random<Derived> > MatrixBase<Scalar, Derived>::random(int size)
+{
+  assert(IsVectorAtCompileTime);
+  if(RowsAtCompileTime == 1) return Random<Derived>(1, size).eval();
+  else return Random<Derived>(size, 1).eval();
+}
+
+template<typename Scalar, typename Derived>
+const Eval<Random<Derived> > MatrixBase<Scalar, Derived>::random()
+{
+  return Random<Derived>(RowsAtCompileTime, ColsAtCompileTime).eval();
+}
+
+#endif // EIGEN_RANDOM_H
-- 
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