Select Code to Download

$ time ./rtoa-pgatram-allinone3 t1.txt t1.txt t1.txt t1.txt >f4.tmp
not using fast_io
...
user    0m1.832s
sys     0m0.121s
$ cmp f4.tmp fixed4.tmp

$ time ./rtoa-pgatram-allinone3 t1.txt t1.txt t1.txt t1.txt >f4.tmp
using fast_io
...
user    0m0.803s
sys     0m0.091s
$ cmp f4.tmp fixed4.tmp

$ time ./rtoa-pgatram-allinone t1.txt t1.txt t1.txt t1.txt >f4.tmp
do_it_all time    :    1.034 secs
...
real    0m1.049s
user    0m0.988s
sys     0m0.061s

// rtoa-pgatram-allinone3.cpp. Crude allinone version.
//   based on rtoa-pgatram-allinone2.cpp https://perlmonks.org/?node_i
+d=11152186
...

   return 0;
}