kfr

commit c4afb0356a3abc49f50be365b470a4dd135e45f9
parent 8027006309d970baba76db0136d3f07a4b1d7a1b
Author: [email protected] <[email protected]>
Date:   Thu,  8 Sep 2016 16:34:09 +0300

Add is_incremental property to indicate incremental expressions

Diffstat:
M
include/kfr/base/generators.hpp
 | 
2
++
M
include/kfr/base/types.hpp
 | 
4
++++

2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/include/kfr/base/generators.hpp b/include/kfr/base/generators.hpp
@@ -43,6 +43,8 @@ struct generator : input_expression
     constexpr static size_t width = width_;
     using type                    = T;
 
+    constexpr static bool is_incremental = true;
+
     template <typename U, size_t N>
     CMT_INLINE vec<U, N> operator()(cinput_t, size_t, vec_t<U, N> t) const
     {
diff --git a/include/kfr/base/types.hpp b/include/kfr/base/types.hpp
@@ -722,6 +722,8 @@ struct input_expression
 {
     constexpr static size_t size() noexcept { return infinite_size; }
 
+    constexpr static bool is_incremental = false;
+
     CMT_INLINE void begin_block(size_t) const {}
     CMT_INLINE void end_block(size_t) const {}
 };
@@ -731,6 +733,8 @@ struct output_expression
 {
     constexpr static size_t size() noexcept { return infinite_size; }
 
+    constexpr static bool is_incremental = false;
+
     CMT_INLINE void output_begin_block(size_t) const {}
     CMT_INLINE void output_end_block(size_t) const {}
 };