Error in compilation about pgd HOT 4 OPEN

I solved it with change the type of ifile into static_cast(ifile);

return static_cast<bool>(ifile);

is maybe a bit weird and seems not to work

as the function is only used to verify, if a file exists and can be accessed:

if (!fexists(graph.c_str()) ) { cout << "File not found!" << endl; return; }

we can just change it to the statement

return ifile.is_open();

works for compiling so far

from pgd.

Do you solve this problem? I also met the bug ...

from pgd.

I solved it with change the type of ifile into static_cast(ifile);

return static_cast<bool>(ifile);

from pgd.

I solved it with change the type of ifile into static_cast(ifile);

return static_cast<bool>(ifile);

But I still met the bug after change the type.And here is the erroe message``

I solved it with change the type of ifile into static_cast(ifile);

return static_cast<bool>(ifile);

I tried. But after that I still have problem.And the Error message: collect2: error: ld returned 1 exit status make: *** [Makefile:47：pgd] Error 1

from pgd.