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| author | Maxwell Carey <maxwellhaydn@gmail.com> | 2016-05-09 15:33:41 -0600 |
|---|---|---|
| committer | Tony Cook <tony@develop-help.com> | 2016-05-16 10:48:33 +1000 |
| commit | 0533ae6f60432c9f45178df2a58a9b469f4e3464 (patch) | |
| tree | 28cca2a731416d59321230b3261fd9f90c4f59e7 /pod/perlfunc.pod | |
| parent | 9d293ddbfa9b2d5f12e8b7a40b44c1466fc9f148 (diff) | |
| download | perl-0533ae6f60432c9f45178df2a58a9b469f4e3464.tar.gz | |
Clarify description of sprintf "%.1g"
sprintf "%.1g" sets the number of *significant* digits, not the
maximum number of digits to show. Added examples for values less
than 1.
Diffstat (limited to 'pod/perlfunc.pod')
| -rw-r--r-- | pod/perlfunc.pod | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index e9c7038a9c..5c778f1b2f 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -7745,9 +7745,8 @@ For example: printf '<%e>', 10; # prints "<1.000000e+01>" printf '<%.1e>', 10; # prints "<1.0e+01>" -For "g" and "G", this specifies the maximum number of digits to show, -including those prior to the decimal point and those after it; for -example: +For "g" and "G", this specifies the maximum number of significant digits to +show; for example: # These examples are subject to system-specific variation. printf '<%g>', 1; # prints "<1>" @@ -7757,6 +7756,9 @@ example: printf '<%.2g>', 100.01; # prints "<1e+02>" printf '<%.5g>', 100.01; # prints "<100.01>" printf '<%.4g>', 100.01; # prints "<100>" + printf '<%.1g>', 0.0111; # prints "<0.01>" + printf '<%.2g>', 0.0111; # prints "<0.011>" + printf '<%.3g>', 0.0111; # prints "<0.0111>" For integer conversions, specifying a precision implies that the output of the number itself should be zero-padded to this width, |