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/*
Written by Ariful Azad, Lawrence Berkeley National Laboratory
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#include <alloca.h>
#include <iostream>
#include <vector>
#include <fstream>
#include <algorithm>
#include <iterator>
using namespace std;
int main(int argc, char** argv)
{
if(argc<3)
{
cout << "Input and/or output filenames are missing!\n";
cout << "Usage: convert inputFileName outputFileName \n";
exit(1);
}
char * ifname = argv[1];
char * ofname = argv[2];
long count=0,i,j;
long inp, m, sym;
long numRow;
double f;
string s;
ifstream inf;
inf.open(ifname, ios::in);
FILE* outf = fopen(ofname, "wb");
char space[]= " ";
if(inf.is_open())
{
size_t found1, found2, found3;
getline(inf,s);
found1 = s.find("pattern");
if (found1 != string::npos)
m = 2;
else
m = 3;
found1 = s.find("symmetric");
found2 = s.find("hermitian");
found3 = s.find("skew-symmetric");
if (found1 != string::npos || found2 != string::npos || found3 != string::npos)
sym = 1;
else
sym = 0;
while(inf.peek()=='%')
getline(inf,s);
inf>>inp;
numRow=inp;
inf>>inp;
//numCol=inp;
inf>>inp;
count=inp;
cout << count << endl;
while(count>0)
{
inf>>i;
inf>>j;
i--;
j--;
fwrite(&i, sizeof(long), 1, outf);
fwrite(space, sizeof(space), 1, outf);
fwrite(&j, sizeof(long), 1, outf);
fwrite(space, sizeof(space), 1, outf);
if(m==3)
{
inf>>f;
}
if (sym && i != j)
{
fprintf(outf, "%ld %ld ", j-1 , numRow+i-1);
long i1 = j;
long j1 = numRow+i;
fwrite(&i1, sizeof(long), 1, outf);
fwrite(space, sizeof(space), 1, outf);
fwrite(&j1, sizeof(long), 1, outf);
fwrite(space, sizeof(space), 1, outf);
}
count--;
}
inf.close();
fclose(outf);
}
else
{
printf("file can not be opened \n");
exit(-1);
}
}
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