c++ program for reading an unknown size csv file (filled only with floats) with constant (but unknown) number of columns into an array

Question

was wondering if someone could give me a hand im trying to build a program that reads in a big data block of floats with unknown size from a csv file. I already wrote this i

Answer 1

int fclose(infile);

This line is wrong. The compiler thinks you're trying to initialize the variable fclose with a FILE*, which is wrong. It should be this if you're simply trying to close the file:

fclose(infile);