Page MenuHomec4science
Files F102868178

ArrayUtil.hpp
No OneTemporary
Actions

File Metadata

Created
Tue, Feb 25, 00:55

ArrayUtil.hpp
View Options

/*
* ArrayUtil.cpp
*
* Utility functions for using 1D and 2D arrays
*
* Created on: Oct 8, 2012
* Author: Radu Popescu <radu.popescu@epfl.ch>
*/
#ifndef ARRAY_UTIL_H
#define ARRAY_UTIL_H
#include <cassert>
#include <iostream>
#include <fstream>
/*
* Reads a matrix from a file/. This function handles memory allocation but
* the DeleteMatrix function must be called at the end of the program
*/
void Read(const char* file_name, double**& M, int& n_rows,
int& n_cols);
/*
* Reads a vector from a file/. This function handles memory allocation but
* the DeleteMatrix function must be called at the end of the program
*/
void Read(const char* file_name, double*& v, int& n_elem);
// Allocate memory for an n_rows x n_cols matrix
void Allocate(double**& M, const int n_rows, const int n_cols);
// Allocate memory for an n_elem matrix
void Allocate(double*& v, const int n_elem);
// Release memory used by a previously allocated matrix
void Delete(double**& M, const int n_rows);
// Release memory used by a previously allocated vector
void Delete(double*& v);
// Does matrix multiplication C = A * B ; C must be allocated
void Multiply(double** A,
double** B,
const double n_rows_A, const double n_cols_A,
const double n_rows_B, const double n_cols_B,
double**& C);
// Does matrix multiplication w = v * A; w must be allocated
void Multiply(double* v,
double** A,
const double n_rows_A, const double n_cols_A,
double*& w);
// Does matrix multiplication w = A * v; w must be allocated
void Multiply(double** A,
double* v,
const double n_rows_A, const double n_cols_A,
double*& w);
// Does matrix multiplication B = A * s ; B must be allocated
void Multiply(double** A,
const double s,
const double n_rows_A, const double n_cols_A,
double**& B);
void Print(double** M, const int n_rows, const int n_cols,
std::ostream& os);
void Print(double* v, const int n_elem, std::ostream& os,
const bool transpose);
#endif // ARRAY_UTIL_H

Event Timeline

c4science · Help