update bundled_deps

bundled_deps/libigl/igl/mat_min.h

@@ -0,0 +1,52 @@
+// 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_MAT_MIN_H
+#define IGL_MAT_MIN_H
+#include "igl_inline.h"
+#include <Eigen/Dense>
+
+namespace igl
+{
+  // Ideally this becomes a super overloaded function supporting everything
+  // that matlab's min supports
+
+  // Min function for matrices to act like matlab's min function. Specifically
+  // like [Y,I] = min(X,[],dim);
+  //
+  // Templates:
+  //   T  should be a eigen matrix primitive type like int or double
+  // Inputs:
+  //   X  m by n matrix
+  //   dim  dimension along which to take min 
+  // Outputs:
+  //   Y  n-long sparse vector (if dim == 1) 
+  //   or
+  //   Y  m-long sparse vector (if dim == 2)
+  //   I  vector the same size as Y containing the indices along dim of minimum
+  //     entries
+  //
+  // See also: mat_max
+  template <typename DerivedX, typename DerivedY, typename DerivedI>
+  IGL_INLINE void mat_min(
+    const Eigen::DenseBase<DerivedX> & X,
+    const int dim,
+    Eigen::PlainObjectBase<DerivedY> & Y,
+    Eigen::PlainObjectBase<DerivedI> & I);
+  // Use Y = X.colwise().minCoeff() instead
+  //// In-line wrapper
+  //template <typename T>
+  //IGL_INLINE Eigen::Matrix<T,Eigen::Dynamic,1> mat_min(
+  //  const Eigen::Matrix<T,Eigen::Dynamic,Eigen::Dynamic> & X,
+  //  const int dim);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "mat_min.cpp"
+#endif
+
+#endif