diff options
| -rw-r--r-- | pod/perldelta.pod | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod index 1118c790d5..7d37aad03f 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -183,7 +183,9 @@ start losing precision (their lower digits). =head2 Large file support If you have filesystems that support "large files" (files larger than -2 gigabytes), you may now also be able to create and access them from Perl. +2 gigabytes), you may now also be able to create and access them from +Perl. You have to use Configure -Duselfs. Turning on the large file +support turns on also the 64-bit support, for obvious reasons. Note that in addition to requiring a proper file system to do large files you may also need to adjust your per-process (or your @@ -203,7 +205,17 @@ included with the standard Perl distribution) may also be of use, it offers the getrlimit/setrlimit interface that can be used to adjust process resource usage limits, including the maximum filesize limit. -(Large file support is related to 64-bit support, for obvious reasons.) +=head2 Long doubles + +In some systems you may be able to use long doubles to enhance the +range of precision of your double precision floating point numbers +(that is, Perl's numbers). Use Configure -Duselongdouble to enable +this support (if it is available). + +=head2 "more bits" + +You can Configure -Dusemorebits to turn on both the 64-bit support +and the long double support. =head2 Better syntax checks on parenthesized unary operators |