interpolation1d

done single-threded 1d interpolations; linear, rational, cubic spline, polynomial and barycentric. Still not done test functions yet. Still missing multi-core options.

include/numerics/min.h

@@ -0,0 +1,21 @@
+#pragma once
+
+
+#include "./utils/vector.h"
+#include "./utils/matrix.h"
+
+
+namespace numerics{
+	
+	template <typename T>
+	T min(const T a, const T b){
+
+		if(a < b){
+			return a;
+		}else{
+			return b;
+		}
+	}
+
+} // namespace numerics
+