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| author | Jarkko Hietaniemi <jhi@iki.fi> | 2000-08-20 21:32:59 +0000 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2000-08-20 21:32:59 +0000 |
| commit | b73fd64e68a196cdb9ea2aba5b59e3876bc3b5cd (patch) | |
| tree | 4553d7012dfb43dda2bca37a2723fcb5a2eacb6c /pod | |
| parent | 93b42772edba45c8799fc03a21bca58c00671c19 (diff) | |
| download | perl-b73fd64e68a196cdb9ea2aba5b59e3876bc3b5cd.tar.gz | |
Document the number of exponent digits.
p4raw-id: //depot/perl@6729
Diffstat (limited to '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 5c8f88a10b..cc1393faa1 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -4452,9 +4452,11 @@ permits these unnecessary but widely-supported conversions: %O a synonym for %lo %F a synonym for %f -Conversions to scientific notation by C<%e>, C<%E>, C<%g> and C<%G> -always have a two-digit exponent unless the modulus of the exponent is -greater than 99. +Note that the number of exponent digits in the scientific notation by +C<%e>, C<%E>, C<%g> and C<%G> for numbers with the modulus of the +exponent less than 100 is system-dependent: it may be three or less +(zero-padded as necessary). In other words, 1.23 times ten to the +99th may be either "1.23e99" or "1.23e099". Perl permits the following universally-known flags between the C<%> and the conversion letter: |