On Tue, 2008-04-22 at 05:00 -0700, Antonio Olivares wrote: > Dear all, > > I wrote a small program prog1.cpp that cranks out the numbers in the sequence A016278 in OEIS > > http://www.research.att.com/~njas/sequences/A016278 > > The program runs on slax, but fails to do so on rawhide. > > [olivares@localhost Documents]$ cat prog1.cpp > #include <iostream.h> > #include <stdlib.h> > #include <math.h> > > int main(int argc, char *argv[]) > { > int i; > double j; > for (i=1; i < 16; i++) > { > j = > (4.0/7.0)*pow(2.0,i-1)+(-3.0/2.0)*pow(3.0,i-1)+(27.0/14.0)*pow(9.0,i-1); > cout << i << ' ' << j << "\n"; > } > return EXIT_SUCCESS; > } > > [olivares@localhost Documents]$ cat /etc/fedora-release > Fedora release 8.93 (Rawhide) > [olivares@localhost Documents]$ c++ -o prog1 prog1.cpp > prog1.cpp:1:22: error: iostream.h: No such file or directory > prog1.cpp: In function ‘int main(int, char**)’: > prog1.cpp:13: error: ‘cout’ was not declared in this scope > [olivares@localhost Documents]$ > > On slax 6.0.5/6.0.6 it runs fine although with some warnings: > > root@slax:~# c++ -o prog1 prog1.cpp > In file included from > /usr/lib/gcc/i486-slackware-linux/4.2.3/../../../../include/c++/4.2.3/backward/iostream.h:31, > from prog1.cpp:1: > /usr/lib/gcc/i486-slackware-linux/4.2.3/../../../../include/c++/4.2.3/backward/backward_warning.h:32:2: > warning: #warning This file includes at least one > deprecated or antiquated header. Please consider using > one of the 32 headers found in section 17.4.1.2 of the > C++ standard. Examples include substituting the <X> > header for the <X.h> header for C++ includes, or > <iostream> instead of the deprecated header > <iostream.h>. To disable this warning use > -Wno-deprecated. > root@slax:~# ./prog1 > 1 1 > 2 14 > 3 145 > 4 1370 > 5 12541 > 6 113534 > ...., > > Is there something that needs to be done so that the program can compile fine in rawhide? > > TIA, > > Antonio > I would take the .h off the includes and it appears the 'using namespace std;' line is missing? HTH... -Jason
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