From 84b9169f541665601c677fbe69a3dd943d55894f Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 3 Mar 2019 20:11:17 +0100
Subject: compat/simple-mat: sprinkle more constexpr

---
 compat/simple-mat.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compat/simple-mat.hpp b/compat/simple-mat.hpp
index b7b58d42..d499ee36 100644
--- a/compat/simple-mat.hpp
+++ b/compat/simple-mat.hpp
@@ -236,7 +236,7 @@ public:
                 data[j][i] = num(0);
     }
 
-    Mat(const num* mem)
+    constexpr Mat(const num* mem)
     {
         for (int j = 0; j < H; j++)
             for (int i = 0; i < W; i++)
@@ -250,7 +250,7 @@ public:
     // not needed merely for matrix algebra -sh 20141030
 
     template<int H_ = H>
-    static std::enable_if_t<H == W, Mat<num, H_, H_>> eye()
+    static constexpr std::enable_if_t<H == W, Mat<num, H_, H_>> eye()
     {
         static_assert(H == H_);
 
-- 
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