Binomial_CrossEnthophy

fixed rowwise/colswise mean/sum and implemented binomial_corssentrhopy. Next up is regression.

include/numerics/detail/sub_serial.h

@@ -20,12 +20,33 @@ namespace numerics::detail{
 		}
 	}
 
+	template <typename T>
+	void inplace_sub_scalar_serial(const T c, utils::Matrix<T>& A) {
+	    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) = c - A(i,j);
+			}
+		}
+	}
+
+
+
 	template <typename T>
 	void inplace_sub_scalar_serial(utils::Vector<T>& v, const T c) {
 		for (uint64_t i = 0; i < v.size(); ++i){
 			v[i] -= c;
 		}
 	}
+
+	template <typename T>
+	void inplace_sub_scalar_serial(const T c, utils::Vector<T>& v) {
+		for (uint64_t i = 0; i < v.size(); ++i){
+			v[i] = c - v[i];
+		}
+	}
+
 	// ---------------- Elemenwise ----------------
 	template <typename T>
 	void inplace_sub_elementwise_serial(utils::Matrix<T>& A, const utils::Matrix<T>& B) {