iterators and fill ops

1 files changed, 20 insertions, 0 deletions

diff --git a/modules/codec/c++/math.hpp b/modules/codec/c++/math.hpp
index d110b64..7524265 100644
--- a/modules/codec/c++/math.hpp
+++ b/modules/codec/c++/math.hpp
@@ -3,7 +3,16 @@
 #include "data_math.hpp"
 
 namespace saw {
+template<uint64_t D>
+class iterator final {
+public:
+	template<typename Func
+	void apply(Func&& func){
+	/// TODO !!!!	
+	}
+};
 namespace math {
+
 /*
 template<typename T, typename Encoding = FORSTIO_DEFAULT_DATA_ENCODING>
 data<typename T::InnerType,Encoding> norm_2(const data<T,Encoding>& d){
@@ -149,5 +158,16 @@ data<schema::Vector<T,D>,Encoding> scale(
 	}
 	return sc_vec;
 }
+
+template<typename T, uint64_t... Ds, typename Encoding = FORSTIO_DEFAULT_DATA_ENCODING>
+data<schema::Tensor<T,Ds...>, Encoding> fill(
+	const data<T,Encoding>& filler){
+	data<schema::Tensor<T,Ds...>, Encoding> tbf;
+
+	iterator<sizeof...(Ds)>::apply([&](const auto& index){
+		tbf.at(index) = filler;
+	}, {}, {{Ds...}});
+	return tbf;
+}
 }
 }