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diff --git a/docs/spec/system.html b/docs/spec/system.html index f9839980..359e64bc 100644 --- a/docs/spec/system.html +++ b/docs/spec/system.html @@ -189,7 +189,7 @@ </tr> </tbody> </table> -<p>Times are Unix timestamps, that is, seconds since the Unix epoch, as used by <a href="#time">time</a> system values. File permissions on Unix are a three-element list of numbers giving the permissions for the owner, group, and other users. The file type is one of the following characters for the POSIX file types, matching Unix <code><span class='Value'>ls</span> <span class='Function'>-</span><span class='Value'>l</span></code> with <code><span class='String'>'f'</span></code> instead of <code><span class='String'>'-'</span></code>.</p> +<p>Times are Unix timestamps, that is, non-leap seconds since the Unix epoch, as used by <a href="#time">time</a> system values. File permissions on Unix are a three-element list of numbers giving the permissions for the owner, group, and other users. The file type is one of the following characters for the POSIX file types, matching Unix <code><span class='Value'>ls</span> <span class='Function'>-</span><span class='Value'>l</span></code> with <code><span class='String'>'f'</span></code> instead of <code><span class='String'>'-'</span></code>.</p> <ul> <li><code><span class='String'>'f'</span></code>: File</li> <li><code><span class='String'>'d'</span></code>: Directory</li> @@ -470,7 +470,7 @@ </tbody> </table> <p>All times are measured in seconds.</p> -<p>The <a href="https://en.wikipedia.org/wiki/Unix_time">Unix epoch</a> is 1970-01-01 00:00:00 UTC. <code><span class='Function'>•UnixTime</span></code> is intended for absolute time measurement and should be implemented with the method that gives the most accurate result at any given time. <code><span class='Function'>•MonoTime</span></code> is intended for relative measurement and should use the method that gives the most precise time differences over the course of the program. Its return value must never decrease between calls.</p> +<p>The <a href="https://en.wikipedia.org/wiki/Unix_time">Unix epoch</a> is 1970-01-01 00:00:00 UTC, and <a href="https://en.wikipedia.org/wiki/Unix_time">Unix time</a> is the number of seconds since this epoch, with adjustments for leap seconds. <code><span class='Function'>•UnixTime</span></code> is intended for absolute time measurement and should use the source most accurate reflects Unix time when it's called. <code><span class='Function'>•MonoTime</span></code> is intended for relative measurement and should use the method that gives the most precise time differences over the course of the program. Its return value must never decrease between calls.</p> <p><code><span class='Modifier'>•_timed</span></code> returns the total time taken divided by the number of function calls (<code><span class='Value'>𝕨</span></code> if provided and 1 otherwise), including the overhead required for the outer loop that counts iterations (which will typically be negligible in comparison to the BQN code).</p> <p>More accurately the modifier <code><span class='Modifier2'>•_maxTime_</span></code> <em>may</em> fail if execution of <code><span class='Function'>𝔽</span></code> takes over <code><span class='Value'>𝕨</span><span class='Function'>𝔾</span><span class='Value'>𝕩</span></code> seconds, and should fail as quickly as it is practically able to. The most likely way to implement this modifier is to interrupt execution at the given time. If <code><span class='Function'>𝔽</span></code> completes before the interrupt there is no need to measure the amount of time it actually took.</p> <h2 id="random-generation"><a class="header" href="#random-generation">Random generation</a></h2> |