tags 803459 fixed-upstream
thanks
Hello Vincent
On 10/30/2015 11:17 AM, Vincent Lefevre wrote:
> Package: manpages-dev
> Version: 3.74-1
> Severity: normal
>
> The drand48(3) man page contains:
>
>The drand48() and erand48() functions return nonnegative
>double-precision floating-point values uniformly distributed
>between [0.0, 1.0).
>
> Instead of "between", it should be "over".
>
> Then, more importantly, there are errors for lrand48, nrand48,
> lrand48, and jrand48:
>
>The lrand48() and nrand48() functions return nonnegative
>long integers uniformly distributed between 0 and 2^31.
>
>The mrand48() and jrand48() functions return signed long
>integers uniformly distributed between -2^31 and 2^31.
>
> According to POSIX, the right bound is 2^31 - 1. Or if you want to
> keep 2^31, you should give a semi-open interval as in POSIX: [0,2^31)
> and [-2^31,2^31) respectively.
Upstream, I have applied the patch below. Thanks for the report.
Cheers,
Michael
diff --git a/man3/drand48.3 b/man3/drand48.3
index 1d4799f..0de9cf2 100644
--- a/man3/drand48.3
+++ b/man3/drand48.3
@@ -81,22 +81,22 @@ The
and
.BR erand48 ()
functions return nonnegative
-double-precision floating-point values uniformly distributed between
-[0.0, 1.0).
+double-precision floating-point values uniformly distributed over the interval
+[0.0,\ 1.0).
.PP
The
.BR lrand48 ()
and
.BR nrand48 ()
functions return nonnegative
-long integers uniformly distributed between 0 and 2^31.
+long integers uniformly distributed over the interval [0,\ 2^31).
.PP
The
.BR mrand48 ()
and
.BR jrand48 ()
functions return signed long
-integers uniformly distributed between \-2^31 and 2^31.
+integers uniformly distributed over the interval [\-2^31,\ 2^31).
.PP
The
.BR srand48 (),
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
