Added libigl library files (header-only library)

xs/src/igl/max.h

@@ -0,0 +1,27 @@
+#ifndef IGL_MAX_H
+#define IGL_MAX_H
+#include "igl_inline.h"
+#include <Eigen/Core>
+#include <Eigen/Sparse>
+namespace igl
+{
+  // Inputs:
+  //   X  m by n matrix
+  //   dim  dimension along which to take max
+  // Outputs:
+  //   Y  n-long vector (if dim == 1) 
+  //   or
+  //   Y  m-long vector (if dim == 2)
+  //   I  vector the same size as Y containing the indices along dim of maximum
+  //     entries
+  template <typename AType, typename DerivedB, typename DerivedI>
+  IGL_INLINE void max(
+    const Eigen::SparseMatrix<AType> & A,
+    const int dim,
+    Eigen::PlainObjectBase<DerivedB> & B,
+    Eigen::PlainObjectBase<DerivedI> & I);
+}
+#ifndef IGL_STATIC_LIBRARY
+#  include "max.cpp"
+#endif
+#endif