Hi Luis,
On Wed, 2004-05-26 at 20:33, Luis March Ruiz wrote:
> This mailing list is incredible !!!
>
> Thanks very much to both (your replies were very fast),
While Valeri is correct, and you can use the stdio library like this, I
would like to discourage the use of stdio in C++, and promote use of the
iostream library. Using iostream and stdio together does have some
pitfalls and the standard gives very few quaranties. Further, using as
many C++ constructs (instead of similar C constructs) helps you learn
the language and philosophy better.
> I finally got it making
>
> fprintf(foutput," %s %8.4lf %8.4lf %8.4lf %8.4lf
> %8.4lf \n",histo,p0[i],e0[i],Chi2_offset,Chi_2_red,Kolmog_comp[i]);
>
> as Valeri said me, but between "%" and "lf" (8 is the total width and 4
> is the decimal digits that I chose).
I would do
#include <iostream>
#include <iomanip>
...
cout << histo << " "
<< setw(8) << setprecision(4) << p0[i]
<< setw(8) << setprecision(4) << e0[i]
<< setw(8) << setprecision(4) << chi2_offset
<< setw(8) << setprecision(4) << chi2_red
<< setw(8) << setprecision(4) << Kolmog_comp[i]
<< endl;
> Stilianos, #include <iomanip> will help me also, because I will use it
> soon.
Note, that cout, setprecision, setw, endl are all members of the
namespace std, so you may need to qualify the names, or do
using namespace std;
Also note the std::stringstream class. Instead of doing
sscanf(foo, "%lf %lf", &x, &y);
One would do
std::stringstream foo_stream(foo);
foo >> x >> y;
> Best regards,
>
> Luis
>
>
> > Check "Using printf() for Output in C Programs (PDF)"
> >
> > http://www.wvutech.edu/mclark/CS%20Eng%20I/Using%20printf2.pdf
Why not the ISO/IEC C++ Programming Language Standard :-)
Yours,
--
___ | Christian Holm Christensen
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