128 lines
2.5 KiB
C++
128 lines
2.5 KiB
C++
#include <mpi.h>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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#define RECICIVING 0
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void functionA(std::ifstream &file)
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{
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std::ofstream out("out.txt");
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int r1, r2, r3;
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std::string line = "";
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while (std::getline(file, line))
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{
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MPI_Recv(&r1, 1, MPI_INT, 1, 1, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
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MPI_Recv(&r2, 1, MPI_INT, 2, 2, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
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MPI_Recv(&r3, 1, MPI_INT, 3, 3, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
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out << r1 + r2 + r3 << std::endl;
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}
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out.close();
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}
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// Funkcija f1 izračuna dolžino najdaljše besede v nizu bj.
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void functionB(std::ifstream &file)
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{
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std::string line = "";
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int max = 0;
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int current = 0;
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while (std::getline(file, line))
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{
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for (size_t i = 0; i < line.size(); i++)
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{
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if (line[i] == ' ')
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{
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if (current > max)
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max = current;
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current = 0;
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}
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else
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current++;
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}
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current = 0;
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MPI_Send(&max, 1, MPI_INT, RECICIVING, 1, MPI_COMM_WORLD);
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max = 0;
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}
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}
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// Funkcija f2 vrne število samoglasnikov v nizu bj.
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void functionC(std::ifstream &file)
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{
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std::string line = "";
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int count = 0;
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while (std::getline(file, line))
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{
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for (size_t i = 0; i < line.size(); i++)
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{
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if (line[i] == 'a' || line[i] == 'e' || line[i] == 'i' || line[i] == 'o' || line[i] == 'u')
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count++;
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else if (line[i] == 'A' || line[i] == 'E' || line[i] == 'I' || line[i] == 'O' || line[i] == 'U')
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count++;
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}
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MPI_Send(&count, 1, MPI_INT, RECICIVING, 2, MPI_COMM_WORLD);
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count = 0;
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}
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}
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// Funkcija f3 vrne število presledkov v nizu bj.
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void functionD(std::ifstream &file)
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{
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std::string line = "";
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int count = 0;
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while (std::getline(file, line))
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{
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for (size_t i = 0; i < line.size(); i++)
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{
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if (line[i] == ' ')
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count++;
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}
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MPI_Send(&count, 1, MPI_INT, RECICIVING, 3, MPI_COMM_WORLD);
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count = 0;
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}
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}
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int main(int argc, char *argv[])
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{
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MPI_Init(&argc, &argv);
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int rank, size;
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MPI_Comm_rank(MPI_COMM_WORLD, &rank);
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MPI_Comm_size(MPI_COMM_WORLD, &size);
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if (size < 4)
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{
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std::cout << "Program can only run with 4 processes" << std::endl;
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MPI_Finalize();
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return 0;
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}
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std::ifstream file("shakespeare.txt");
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switch (rank)
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{
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case 0:
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functionA(file);
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break;
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case 1:
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functionB(file);
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break;
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case 2:
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functionC(file);
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break;
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case 3:
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functionD(file);
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break;
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default:
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break;
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}
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MPI_Finalize();
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return 0;
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}
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