update makefile

lean/Makefile

@@ -9,7 +9,8 @@ PROJECT=shuffle3
 COMMON_FLAGS = -Wall -pedantic $(addprefix -I,$(INCLUDE)) -fno-strict-aliasing
 
 OPT_FLAGS?= -march=native -fgraphite -fopenmp -floop-parallelize-all -ftree-parallelize-loops=4 \
-	    -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block
+	    -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block \
+	    -fno-stack-check
 
 CXX_OPT_FLAGS?= $(OPT_FLAGS) -felide-constructors
 

lean/include/rng/frng.hpp

@@ -27,10 +27,10 @@ namespace rng
 			return fract(sin(dot(state, vec2)) * 43758.5453);
 		}
 
-		inline frng(double s1, double s2) : state({s1, s2}){}
-		inline frng(const std::array<double, 2>& ar) : state(ar){}
-		inline frng(std::array<double, 2>&& ar) : state(ar){}
-		inline frng(const double (&ar)[2]) : state({ar[0], ar[1]}) {}
+		inline constexpr frng(double s1, double s2) : state({s1, s2}){}
+		inline constexpr frng(const std::array<double, 2>& ar) : state(ar){}
+		inline constexpr frng(std::array<double, 2>&& ar) : state(ar){}
+		inline constexpr frng(const double (&ar)[2]) : state({ar[0], ar[1]}) {}
 
 		inline constexpr double next_double() override { return sample(); }
 		inline constexpr float next_float() override { return (float)sample(); }