Re^2: Using (s)printf()


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by Anonymous Monk

on Oct 01, 2012 at 11:04 UTC ( [id://996619]=note: print w/replies, xml )

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Perl exhibits strange behaviour after moving from x32 to x64 platform:

Before:

# perl -e 'printf("%.2f", 6.685);'
6.68
[download]

# perl -v
This is perl, v5.10.1 (*) built for i386-linux-thread-multi
[download]

After:

# perl -e 'printf("%.2f", 6.685);'
6.69
[download]

# perl -v
This is perl, v5.10.1 (*) built for x86_64-linux-thread-multi
[download]

Any changes in rounding algorithm?

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Re^3: Using (s)printf() by Anonymous Monk on Oct 01, 2012 at 11:11 UTC
Any changes in rounding algorithm? Nope, see Is this odd behavior a floating point problem?	[reply]
Re^4: Using (s)printf() by Anonymous Monk on Oct 03, 2012 at 06:14 UTC
It looks like there is a problem with numeric.c: Perl_grok_number (Perl's own string-to-number conversion). Perl bugs tickets #115092, #41202	[reply]

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