operation.h
01e0336d8145master

operation.h
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			#include <vector>
			#include <cmath>
			#include <mpi.h>
			#include <chrono>

			using namespace std;

			class operation{
			private:
			static void multiply(int numCols,double matrix,double vec,double *result,int colStart,int colEnd,int rowStart,int rowEnd);
			static void blockMultiply(MPI_Comm row_com,MPI_Comm even_com,int rows,int rank,double matrix,double vec,int sc,int disp,double *result);
			static void rowMultiply(int rows,int rank,double matrix,double vec,int sc,int disp,double *result);

			public:
			static double dotProduct(vector<double> vec1,vector<double> vec2);
			static vector<double> vecAdd(vector<double> a,vector<double> b);
			static vector<double> vecSubtract(vector<double> a,vector<double> b);
			static double vector_norm(vector<double> v);

			static vector<double> randomVector(int len,int maxValue);

			static void displacement(int isBlock,int size,int scounts,int displs);
			static void sizeCounts(int isBlock,int n,int size,int *scounts);
			static vector<double> matrMultiply(int isBlock,double A,vector<double> B,int sc,int *disp,MPI_Comm row_com,MPI_Comm even_com);
			};