Add is_intrinsic_delaunay function

Author: akaszynski

src/is_intrinsic_delaunay.cpp

@@ -0,0 +1,33 @@
+#include "default_types.h"
+#include <igl/is_intrinsic_delaunay.h>
+#include <nanobind/nanobind.h>
+#include <nanobind/ndarray.h>
+#include <nanobind/eigen/dense.h>
+
+namespace nb = nanobind;
+using namespace nb::literals;
+namespace pyigl
+{
+  auto is_intrinsic_delaunay(
+      const nb::DRef<const Eigen::MatrixXN> &l,
+      const nb::DRef<const Eigen::MatrixXI> &F)
+  {
+    Eigen::Matrix<unsigned char, Eigen::Dynamic, Eigen::Dynamic> D;
+    igl::is_intrinsic_delaunay(l, F, D);
+    return D;
+  }
+}
+
+void bind_is_intrinsic_delaunay(nb::module_ &m)
+{
+  m.def("is_intrinsic_delaunay", &pyigl::is_intrinsic_delaunay,
+        "l"_a,
+        "F"_a,
+        R"(Determine if each edge in the mesh (V,F) is Delaunay.
+@param[in] l  #l by dim list of edge lengths
+@param[in] F  #F by 3 list of triangles indices
+@param[out] D  D #F by 3 list of bools revealing whether edges corresponding
+    23 31 12 are locally Delaunay. Boundary edges are by definition Delaunay.
+    Non-Manifold edges are by definition not Delaunay.
+)");
+}