Sync public subset from Flux

include/numerics/matclip.h

@@ -0,0 +1,76 @@
+#pragma once
+
+#include "./utils/matrix.h"
+
+
+namespace numerics{
+	
+	template <typename T>
+	void inplace_matclip_high(utils::Matrix<T>& A, T high){
+		uint64_t rows = A.rows();
+		uint64_t cols = A.cols();
+
+		for (uint64_t i = 0; i < rows; ++i){
+			for (uint64_t j = 0; j < cols; ++j){
+				if (A(i,j) > high){
+					A(i,j) = high;
+				}
+			}
+		}
+	}
+	template <typename T>
+	void inplace_matclip_low(utils::Matrix<T>& A, T low){
+		uint64_t rows = A.rows();
+		uint64_t cols = A.cols();
+
+		for (uint64_t i = 0; i < rows; ++i){
+			for (uint64_t j = 0; j < cols; ++j){
+				if (A(i,j) < low){
+					A(i,j) = low;
+				}
+			}
+		}
+	}
+	template <typename T>
+	void inplace_matclip(utils::Matrix<T>& A, T low, T high){
+		uint64_t rows = A.rows();
+		uint64_t cols = A.cols();
+
+		for (uint64_t i = 0; i < rows; ++i){
+			for (uint64_t j = 0; j < cols; ++j){
+				if (A(i,j) > high){
+					A(i,j) = high;
+				}else if (A(i,j) < low){
+					A(i,j) = low;
+				}
+			}
+		}
+	}
+	template <typename Td, typename Ti>
+	utils::Matrix<Td> matclip_high(const utils::Matrix<Ti>& A, Td high){
+
+		utils::Matrix<Td> B = A;
+		inplace_matclip_high(B, high);
+
+		return B;
+	}
+	template <typename Td, typename Ti>
+	utils::Matrix<Td> matclip_low(const utils::Matrix<Ti>& A, Td low){
+
+		utils::Matrix<Td> B = A;
+		inplace_matclip_low(B, low);
+
+		return B;
+	}
+
+	template <typename Td, typename Ti>
+	utils::Matrix<Td> matclip(const utils::Matrix<Ti>& A, Td low, Td high){
+
+		utils::Matrix<Td> B = A;
+		inplace_matclip(B, low, high);
+
+		return B;
+	}
+
+} // namespace numerics
+