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Re^3: Variables are automatically rounded off in perl (humans)

by syphilis (Archbishop)
on Jul 22, 2016 at 01:43 UTC ( [id://1168304]=note: print w/replies, xml ) Need Help??

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  1. or download this
    C:\>perl -le "print sqrt(3);"
1.73205080756888

C:\>perl -le "print 'WTF' if 1.73205080756888 != sqrt(3);"
WTF
  2. or download this
    C:\>perl -le "printf '%.16e', 1/100"
1.0000000000000000e-002
C:\>perl -le "printf '%.17e', 1/100"
1.00000000000000002e-002
  3. or download this
    C:\>perl -le "printf '%.16e', 0.1"
1.0000000000000001e-001

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