update bundled_deps

bundled_deps/libigl/igl/histc.h

@@ -0,0 +1,56 @@
+// 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_HISTC_H
+#define IGL_HISTC_H
+
+#include "igl_inline.h"
+#include <Eigen/Core>
+
+namespace igl
+{
+  // Like matlab's histc. Count occurrences of values in X between consecutive
+  // entries in E
+  //
+  // Inputs:
+  //   X  m-long Vector of values
+  //   E  n-long Monotonically increasing vector of edges
+  // Outputs:
+  //   N  n-long vector where N(k) reveals how many values in X fall between
+  //     E(k) <= X < E(k+1)
+  //   B  m-long vector of bin ids so that B(j) = k if E(k) <= X(j) < E(k+1).
+  //     B(j) = -1 if X(j) is outside of E.
+  //
+  // O(n+m*log(n))
+  template <typename DerivedX, typename DerivedE, typename DerivedN, typename DerivedB>
+  IGL_INLINE void histc(
+    const Eigen::MatrixBase<DerivedX > & X,
+    const Eigen::MatrixBase<DerivedE > & E,
+    Eigen::PlainObjectBase<DerivedN > & N,
+    Eigen::PlainObjectBase<DerivedB > & B);
+  // Truly O(m*log(n))
+  template <typename DerivedX, typename DerivedE, typename DerivedB>
+  IGL_INLINE void histc(
+    const Eigen::MatrixBase<DerivedX > & X,
+    const Eigen::MatrixBase<DerivedE > & E,
+    Eigen::PlainObjectBase<DerivedB > & B);
+  // Scalar search wrapper
+  template <typename DerivedE>
+  IGL_INLINE void histc(
+    const typename DerivedE::Scalar & x,
+    const Eigen::MatrixBase<DerivedE > & E,
+    typename DerivedE::Index & b);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "histc.cpp"
+#endif
+
+#endif
+
+
+