refactor

almost complete. Need to doublecheck names for functions in *_serial.h

include/numerics/detail/random_serial.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include <cstdint> //uint64_t
+//#include <stdexcept> // std::runtime_error
+#include <random>
+#include <type_traits>
+
+
+#include "../utils/vector.h"
+#include "../utils/matrix.h"
+
+namespace numerics::detail{
+
+    // Shared engine
+    inline std::mt19937& rng() {
+        static std::random_device rd;
+        static std::mt19937 gen(rd());
+        return gen;
+    }
+
+    // Integral overload
+    template <
+        typename T,
+        typename std::enable_if<std::is_integral<T>::value, int>::type = 0
+    >
+    inline T random(const T low, const T high) {
+        std::uniform_int_distribution<T> dist(low, high);
+        return dist(rng());
+    }
+
+    // Floating-point overload
+    template <
+        typename T,
+        typename std::enable_if<std::is_floating_point<T>::value, int>::type = 0
+    >
+    inline T random(const T low, const T high) {
+        std::uniform_real_distribution<T> dist(low, high);
+        return dist(rng());
+    }
+	
+	// ---------------- Matrix ----------------
+	template <typename T>
+	inline void inplace_random_serial(utils::Matrix<T>& A, const T low, const T high) {
+	    const uint64_t rows = A.rows();
+	    const uint64_t cols = A.cols();
+		for (uint64_t i = 0; i < rows; ++i){
+			for (uint64_t j = 0; j < cols; ++j){
+				A(i,j) = random(low, high);
+			}
+		}
+	}
+
+	// ---------------- Vector ----------------
+	template <typename T>
+	inline void inplace_random_serial(utils::Vector<T>& v, const T low, const T high) {
+		const uint64_t N = v.size();
+		for (uint64_t i = 0; i < N; ++i){
+			v[i] = random(low, high);
+		}
+	}
+
+} // namespace numerics
+