Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/min_quad_dense.h

@@ -0,0 +1,47 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public License 
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
+// obtain one at http://mozilla.org/MPL/2.0/.
+#ifndef IGL_MIN_QUAD_DENSE_H
+#define IGL_MIN_QUAD_DENSE_H
+#include "igl_inline.h"
+
+#include <Eigen/Dense>
+
+//// debug
+//#include <matlabinterface.h>
+//Engine *g_pEngine;
+
+
+namespace igl
+{
+  // MIN_QUAD_WITH_FIXED Minimize quadratic energy Z'*A*Z + Z'*B + C
+  // subject to linear constraints Aeq*Z = Beq
+  //
+  // Templates:
+  //   T  should be a eigen matrix primitive type like float or double
+  // Inputs:
+  //   A  n by n matrix of quadratic coefficients
+  //   B  n by 1 column of linear coefficients
+  //   Aeq  m by n list of linear equality constraint coefficients
+  //   Beq  m by 1 list of linear equality constraint constant values
+  //   use_lu_decomposition  use lu rather than SVD
+  // Outputs:
+  //   S  n by (n + m) "solve" matrix, such that S*[B', Beq'] is a solution
+  // Returns true on success, false on error
+  template <typename T>
+  IGL_INLINE void min_quad_dense_precompute(
+    const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic>& A,
+    const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic>& Aeq,    
+    const bool use_lu_decomposition,
+    Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic>& S);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "min_quad_dense.cpp"
+#endif
+
+#endif