fe4d09f7fa
new file: assignment1/assignment1_reading_sample.cpp new file: assignment1/assignment1_reading_sample_iostream.cpp new file: assignment1/matrix1.txt
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
//159201 assignment 1 skeleton
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//You need to add your own AddNode and PrintLL functions, as well as an AddMatrices function
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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//#include <string>
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using namespace std;
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struct Node { //declaration
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int row;
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int column;
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int value;
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Node *next;
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};
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Node *A, *B; //declaration
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void read_matrix(Node* &a, char *file_name){
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//reads a matrix from a file
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int col = 0, row = 0, value = 0;
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ifstream input;
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input.open(file_name);
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if(!input.good()){
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cout << "Cannot open file " << file_name << endl;
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exit(0);
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}
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int c;
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string line;
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//reads the first line to get dimensions
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if(input.good()){
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getline(input,line);
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stringstream sline(line);
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sline >> row >> col;
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cout << "Matrix dimensions " << row << " " << col << endl;
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}
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//read matrix
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for(int i = 0; i < row; ++i){
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if(input.good()) {
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getline(input,line);
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stringstream sline(line);
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for(int j = 0; j < col; ++j){
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sline >> value;
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if(value == 0) continue;
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//
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//Include your own add_node(a, i, j, value); function here
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//
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//The next line is for debbuging, it can be commented later
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cout << "Element at (" << i << " " << j << ") is different than zero and it is: "<< value <<" ";
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}
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//the next line is for debbuging purposes, it can be commented out later
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cout << endl;
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}
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}
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input.close();
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}
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int main( int argc, char** argv ) {
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if(argc!=3) {printf("needs two matrices \n"); exit(0);}
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read_matrix(A, argv[1]);
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read_matrix(B, argv[2]);
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}
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