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$ cat a.c #include <stdio.h> ... $ gcc -o a a.c && a Stop blaming Perl for your own mistakes!
$ perl -e'printf "%.20e\n", $_ for @ARGV' 0.45 0.92 0.37 4.50000000000000011102e-01 9.20000000000000039968e-01 3.69999999999999995559e-01
$ perl -le 'print abs(5056.45 + 10112.92 - 15169.37) < 0.0001 ? "as ex +pected" : "perl math sucks!"' as expected $ perl -le 'print sprintf("%.4f", 5056.45 + 10112.92) eq sprintf("%.4f +", 15169.37) ? "as expected" : "perl math sucks!"' as expected
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